diff options
Diffstat (limited to 'results/classifier/118/all/1696773')
| -rw-r--r-- | results/classifier/118/all/1696773 | 1352 |
1 files changed, 1352 insertions, 0 deletions
diff --git a/results/classifier/118/all/1696773 b/results/classifier/118/all/1696773 new file mode 100644 index 000000000..eb25f2a1c --- /dev/null +++ b/results/classifier/118/all/1696773 @@ -0,0 +1,1352 @@ +user-level: 0.933 +risc-v: 0.924 +device: 0.921 +permissions: 0.906 +ppc: 0.904 +peripherals: 0.898 +register: 0.894 +TCG: 0.893 +debug: 0.892 +performance: 0.886 +architecture: 0.884 +virtual: 0.884 +kernel: 0.883 +socket: 0.882 +mistranslation: 0.882 +vnc: 0.880 +arm: 0.880 +boot: 0.877 +PID: 0.876 +assembly: 0.875 +VMM: 0.874 +graphic: 0.873 +network: 0.870 +hypervisor: 0.861 +semantic: 0.861 +files: 0.860 +KVM: 0.854 +x86: 0.851 +i386: 0.794 + +golang calls to exec crash user emulation + +An example program can be found here: + +https://github.com/willnewton/qemucrash + +This code starts a goroutine (thread) and calls exec repeatedly. This works ok natively but when run under ARM user emulation it segfaults (usually, there are occasionally other failures). + +You will need to apply the patch from https://bugs.launchpad.net/qemu/+bug/1696353 to run this sample app on current master. + +This bug is mentioned in this account from Cloudflare of porting their software stack to arm64: + +https://blog.cloudflare.com/porting-our-software-to-arm64/ + +The relevant section from that blog reads as follows: + +# Intermittent Go Failures + +> With a decent amount of Go code running through our CI system, it was easy to spot a trend of intermittent segfaults. + +> Going on a hunch, we confirmed a hypothesis that non-deterministic failures are generally due to threading issues. Unfortunately, opinion on the issue tracker showed that Go / QEMU incompatibilities aren’t a priority, so we were left without an upstream fix. + +> The workaround we came up with is simple: if the problem is threading-related, limit where the threads can run! When we package our internal go binaries, we add a .deb post-install script to detect if we’re running under ARM64 emulation, and if so, reduce the number of CPUs the go binary can run under to one. We lose performance by pinning to one CPU, but this slowdown is negligible when we’re already running under emulation, and slow code is better than non-working code. + +> With the workaround in place, reports of intermittent crashes dropped to zero. Onto the next problem! + +Observed the same here... (details of the environment at the end of the post) + +Just building a hello world is good enough to crash go 3 times out of 4: + +--8<--------------------------------------------------------------------- +ubuntu@qemu:~$ cat <<EOF > hello.go +> package main +> +> import "fmt" +> +> func main() { +> fmt.Println("Hello") +> } +> EOF + +--8<--------------------------------------------------------------------- + +If I build it with affinity set to a single CPU, all is fine: + +ubuntu@qemu:~$ taskset -c 1 /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build +ubuntu@qemu:~$ taskset -c 1 /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build +ubuntu@qemu:~$ taskset -c 1 /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build +ubuntu@qemu:~$ taskset -c 1 /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build + + +But with the go build going multithreaded, all sorts of hells break loose: + +--8<--------------------------------------------------------------------- +ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build +fatal error: exitsyscall: syscall frame is no longer valid +fatal error: malloc deadlock +panic during panic + +runtime stack: +runtime.startpanic_m() + /usr/lib/go-1.10/src/runtime/panic.go:690 +fatal error: unexpected signal during runtime execution +0x178stack trace unavailable +--8<--------------------------------------------------------------------- + +or this: + +--8<--------------------------------------------------------------------- +ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build +fatal error: unexpected signal value +panic during panic + +goroutine 0 [idle]: +runtime: unexpected return pc for runtime.sigtramp called from 0x14420009ff0 +stack: frame={sp:0x14420007900, fp:0x14420007920} stack=[0x14420002000,0x1442000a000) +0000014420007800: 0000000000000000 0000000000000084 +0000014420007810: 000000000043d694 <runtime.sigtrampgo+44> 0000000000000000 +0000014420007820: 0000000000000000 0000000000000000 +0000014420007830: 00000144200ae000 0000000000000000 +0000014420007840: 0000014420007920 00000144200079a0 +0000014420007850: 000000000045266c <runtime.sigtramp+52> 0000014400000004 +0000014420007860: 0000014420007920 00000144200079a0 +0000014420007870: 00000144200ae180 0000000000000000 +0000014420007880: 0000000000000000 0000000000000000 +0000014420007890: 0000000000000000 0000000000000000 +00000144200078a0: 0000000000000000 0000000000000000 +00000144200078b0: 0000000000000000 00000144200ae180 +00000144200078c0: 0000000000000000 0000000000000000 +00000144200078d0: 0000000000000000 0000000000000000 +00000144200078e0: 0000000000000000 0000000000000000 +00000144200078f0: 0000000000000000 0000000000000000 +0000014420007900: <0000014420009ff0 0000000000000004 +0000014420007910: 0000014420007920 00000144200079a0 +0000014420007920: >0000000000000004 0000000000000002 +0000014420007930: 00000144201a4180 0000000000000000 +0000014420007940: 000000000000000c 0000000000000001 +0000014420007950: 0000000000000000 0000000000000000 +0000014420007960: 0000000000000000 0000000000000000 +0000014420007970: 0000000000000000 0000000000000000 +0000014420007980: 0000000000000000 0000000000000000 +0000014420007990: 0000000000000000 0000000000000000 +00000144200079a0: 0000000000000000 0000000000000000 +00000144200079b0: 0000014420002000 0000000000000000 +00000144200079c0: 0000000000008000 0000000000000000 +00000144200079d0: 0000000000000000 0000000000000000 +00000144200079e0: 0000000000000000 0000000000000000 +00000144200079f0: 0000000000000000 0000000000000000 +0000014420007a00: 0000000000000000 0000000000000000 +0000014420007a10: 0000000000000000 0000000000000000 +runtime.startpanic_m() + /usr/lib/go-1.10/src/runtime/panic.go:690 +0x178 +runtime.startpanic() + /usr/lib/go-1.10/src/runtime/panic.go:589 +0x14 +runtime.sighandler(0x14400000004, 0x14420007920, 0x144200079a0, 0x144200ae180) + /usr/lib/go-1.10/src/runtime/signal_sighandler.go:86 +0x4c4 +runtime.sigtrampgo(0x4, 0x14420007920, 0x144200079a0) + /usr/lib/go-1.10/src/runtime/signal_unix.go:349 +0x19c +runtime: unexpected return pc for runtime.sigtramp called from 0x14420009ff0 +stack: frame={sp:0x14420007900, fp:0x14420007920} stack=[0x14420002000,0x1442000a000) +0000014420007800: 0000000000000000 0000000000000084 +0000014420007810: 000000000043d694 <runtime.sigtrampgo+44> 0000000000000000 +0000014420007820: 0000000000000000 0000000000000000 +0000014420007830: 00000144200ae000 0000000000000000 +0000014420007840: 0000014420007920 00000144200079a0 +0000014420007850: 000000000045266c <runtime.sigtramp+52> 0000014400000004 +0000014420007860: 0000014420007920 00000144200079a0 +0000014420007870: 00000144200ae180 0000000000000000 +0000014420007880: 0000000000000000 0000000000000000 +0000014420007890: 0000000000000000 0000000000000000 +00000144200078a0: 0000000000000000 0000000000000000 +00000144200078b0: 0000000000000000 00000144200ae180 +00000144200078c0: 0000000000000000 0000000000000000 +00000144200078d0: 0000000000000000 0000000000000000 +00000144200078e0: 0000000000000000 0000000000000000 +00000144200078f0: 0000000000000000 0000000000000000 +0000014420007900: <0000014420009ff0 0000000000000004 +0000014420007910: 0000014420007920 00000144200079a0 +0000014420007920: >0000000000000004 0000000000000002 +0000014420007930: 00000144201a4180 0000000000000000 +0000014420007940: 000000000000000c 0000000000000001 +0000014420007950: 0000000000000000 0000000000000000 +0000014420007960: 0000000000000000 0000000000000000 +0000014420007970: 0000000000000000 0000000000000000 +0000014420007980: 0000000000000000 0000000000000000 +0000014420007990: 0000000000000000 0000000000000000 +00000144200079a0: 0000000000000000 0000000000000000 +00000144200079b0: 0000014420002000 0000000000000000 +00000144200079c0: 0000000000008000 0000000000000000 +00000144200079d0: 0000000000000000 0000000000000000 +00000144200079e0: 0000000000000000 0000000000000000 +00000144200079f0: 0000000000000000 0000000000000000 +0000014420007a00: 0000000000000000 0000000000000000 +0000014420007a10: 0000000000000000 0000000000000000 +runtime.sigtramp(0x2, 0x144201a4180, 0x0, 0xc, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, ...) + /usr/lib/go-1.10/src/runtime/sys_linux_arm64.s:263 +0x34 + +goroutine 88 [syscall]: +syscall.Syscall6(0x5f, 0x1, 0x2039, 0x144205909a0, 0x1000004, 0x0, 0x0, 0x144201a2320, 0x144200ac000, 0x40009efaf8) + /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 fp=0x14420590940 sp=0x14420590930 pc=0x471870 +os.(*Process).blockUntilWaitable(0x1442036c000, 0x0, 0x0, 0x410a64) + /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 fp=0x14420590a40 sp=0x14420590940 pc=0x49077c +os.(*Process).wait(0x1442036c000, 0x14420262310, 0x144205841e0, 0x144203d6398) + /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c fp=0x14420590ac0 sp=0x14420590a40 pc=0x48a234 +os.(*Process).Wait(0x1442036c000, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 fp=0x14420590af0 sp=0x14420590ac0 pc=0x489898 +os/exec.(*Cmd).Wait(0x144203d62c0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c fp=0x14420590b70 sp=0x14420590af0 pc=0x4e1354 +os/exec.(*Cmd).Run(0x144203d62c0, 0x144200f6150, 0x14420440840) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 fp=0x14420590b90 sp=0x14420590b70 pc=0x4e0ad0 +cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x826cab, 0x3, 0x11, 0x14420591290) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 fp=0x14420590d40 sp=0x14420590b90 pc=0x5bc57c +cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x144201537c0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:221 +0x116c fp=0x14420591450 sp=0x14420590d40 pc=0x5c0e04 +cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x144201537c0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 fp=0x14420591e70 sp=0x14420591450 pc=0x5c153c +cmd/go/internal/work.(*Builder).Do.func1(0x144201537c0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 fp=0x14420591ef0 sp=0x14420591e70 pc=0x5e7cd8 +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c fp=0x14420591fc0 sp=0x14420591ef0 pc=0x5e7f74 +runtime.goexit() + /usr/lib/go-1.10/src/runtime/asm_arm64.s:1037 +0x4 fp=0x14420591fc0 sp=0x14420591fc0 pc=0x451cec +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 1 [semacquire]: +sync.runtime_Semacquire(0x1442027725c) + /usr/lib/go-1.10/src/runtime/sema.go:56 +0x2c +sync.(*WaitGroup).Wait(0x14420277250) + /usr/lib/go-1.10/src/sync/waitgroup.go:129 +0x68 +cmd/go/internal/work.(*Builder).Do(0x1442029c0a0, 0x14420152c80) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:173 +0x36c +cmd/go/internal/work.runBuild(0xa5d0a0, 0x144200da010, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/build.go:325 +0x4bc +main.main() + /usr/lib/go-1.10/src/cmd/go/main.go:140 +0x6f4 + +goroutine 19 [syscall]: +os/signal.signal_recv(0x0) + /usr/lib/go-1.10/src/runtime/sigqueue.go:139 +0xc8 +os/signal.loop() + /usr/lib/go-1.10/src/os/signal/signal_unix.go:22 +0x18 +created by os/signal.init.0 + /usr/lib/go-1.10/src/os/signal/signal_unix.go:28 +0x30 + +goroutine 11 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 12 [syscall]: +syscall.Syscall6(0x5f, 0x1, 0x2008, 0x1442059e9a0, 0x1000004, 0x0, 0x0, 0x144203d8140, 0x1442006ec00, 0x40009e31e8) + /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 +os.(*Process).blockUntilWaitable(0x144203e2240, 0x0, 0x0, 0x410a64) + /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 +os.(*Process).wait(0x144203e2240, 0x1442026a180, 0x14420544020, 0x1442058a238) + /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c +os.(*Process).Wait(0x144203e2240, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 +os/exec.(*Cmd).Wait(0x1442058a160, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c +os/exec.(*Cmd).Run(0x1442058a160, 0x14420132150, 0x14420318840) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x8285a2, 0x7, 0x2c, 0x1442059f320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x1442017c8c0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x1442017c8c0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x1442017c8c0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 13 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 14 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 15 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 16 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 82 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 83 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 84 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 85 [runnable]: +os.(*File).Read(0x144200d4060, 0x144202ac000, 0x8000, 0x8000, 0x8000, 0x8000, 0x7ed900) + /usr/lib/go-1.10/src/os/file.go:103 +0x24c +io.copyBuffer(0x40b3596000, 0x144203f8000, 0x894040, 0x144200d4060, 0x144202ac000, 0x8000, 0x8000, 0x7ed900, 0x144200d4000, 0x40b3596000) + /usr/lib/go-1.10/src/io/io.go:400 +0x100 +io.Copy(0x40b3596000, 0x144203f8000, 0x894040, 0x144200d4060, 0x144203f8000, 0x0, 0x29) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +cmd/go/internal/cache.FileHash(0x144200cc8a0, 0x29, 0x0, 0x0, 0x0, 0x0, 0x144200cc8a0, 0x29) + /usr/lib/go-1.10/src/cmd/go/internal/cache/hash.go:149 +0x228 +cmd/go/internal/work.(*Builder).fileHash(0x1442029c0a0, 0x144200cc8a0, 0x29, 0x144200cc8a0, 0x29) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:358 +0x28 +cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x14420153400, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:286 +0x650 +cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x14420153400, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x14420153400) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 86 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 87 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 89 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 90 [syscall]: +syscall.Syscall6(0x5f, 0x1, 0x1ffd, 0x1442058e9a0, 0x1000004, 0x0, 0x0, 0x14420236140, 0x1442006f400, 0x40009e2b20) + /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 +os.(*Process).blockUntilWaitable(0x1442055a300, 0x0, 0x0, 0x410a64) + /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 +os.(*Process).wait(0x1442055a300, 0x144201f6110, 0x144205d6040, 0x144202a00d8) + /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c +os.(*Process).Wait(0x1442055a300, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 +os/exec.(*Cmd).Wait(0x144202a0000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c +os/exec.(*Cmd).Run(0x144202a0000, 0x14420144070, 0x144205de580) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x8285a2, 0x7, 0x2c, 0x1442058f320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x1442017c780, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x1442017c780, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x1442017c780) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 91 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 92 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 93 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 94 [syscall]: +syscall.Syscall6(0x5f, 0x1, 0x2036, 0x1442058c9a0, 0x1000004, 0x0, 0x0, 0x144203d8320, 0x1442038ec00, 0x40009ef430) + /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 +os.(*Process).blockUntilWaitable(0x144200284b0, 0x0, 0x0, 0x410a64) + /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 +os.(*Process).wait(0x144200284b0, 0x1442026a2a0, 0x144205441a0, 0x1442058a4f8) + /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c +os.(*Process).Wait(0x144200284b0, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 +os/exec.(*Cmd).Wait(0x1442058a420, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c +os/exec.(*Cmd).Run(0x1442058a420, 0x144201322a0, 0x14420319080) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x826cab, 0x3, 0x11, 0x1442058d290) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x14420153a40, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:221 +0x116c +cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x14420153a40, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x14420153a40) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 95 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 96 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 97 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 98 [syscall]: +syscall.Syscall6(0x5f, 0x1, 0x2033, 0x1442059c9a0, 0x1000004, 0x0, 0x0, 0x14420274730, 0x144205b0000, 0x40009e2b20) + /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 +os.(*Process).blockUntilWaitable(0x1442055a660, 0x0, 0x0, 0x410a64) + /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 +os.(*Process).wait(0x1442055a660, 0x144200c4380, 0x1442033e1a0, 0x144200eee98) + /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c +os.(*Process).Wait(0x1442055a660, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 +os/exec.(*Cmd).Wait(0x144200eedc0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c +os/exec.(*Cmd).Run(0x144200eedc0, 0x144201123f0, 0x144205e0dc0) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x1442029c0a0, 0x826cab, 0x3, 0x11, 0x1442059d290) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x1442029c0a0, 0x14420153cc0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:221 +0x116c +cmd/go/internal/work.(*Builder).build(0x1442029c0a0, 0x14420153cc0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x14420153cc0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 99 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x14420277250, 0x1442029c0a0, 0x144201ae940) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 133 [IO wait]: +internal/poll.runtime_pollWait(0x4089492918, 0x72, 0x144201aa000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x144203d82e8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x144203d82e8, 0x144201aa001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144203d82d0, 0x144201aa000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x144203da060, 0x144201aa000, 0x200, 0x200, 0x144201aa000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x144203da060, 0x144201aa000, 0x200, 0x200, 0x14420268528, 0x1, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x144201322a0, 0x894040, 0x144203da060, 0x40ab556000, 0x144201322a0, 0x404701) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x144201322a0, 0x894040, 0x144203da060, 0x0, 0x0, 0x0, 0x4e37c4, 0x14420268500, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x144201322a0, 0x894040, 0x144203da060, 0x0, 0x4e3830, 0x1442016a060) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x1442016a060, 0x1442046bfb0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x1442058a420, 0x14420544240) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 73 [runnable]: +internal/poll.runtime_pollWait(0x4089492d28, 0x72, 0x144202b4019) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x14420236068, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x14420236068, 0x144202b4001, 0x5e7, 0x5e7) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x14420236050, 0x144202b4019, 0x5e7, 0x5e7, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x1442008a010, 0x144202b4019, 0x5e7, 0x5e7, 0x144202b4000, 0x144201a6000, 0x19) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x1442008a010, 0x144202b4019, 0x5e7, 0x5e7, 0x19, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x14420144000, 0x894040, 0x1442008a010, 0x40ab556000, 0x14420144000, 0x1442047de01) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x14420144000, 0x894040, 0x1442008a010, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x14420144000, 0x894040, 0x1442008a010, 0x0, 0x144201b0180, 0x5e7fc4) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144202a0000, 0x144205d60a0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 74 [runnable]: +internal/poll.runtime_pollWait(0x4089492b88, 0x72, 0x144204e4200) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x14420236108, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x14420236108, 0x144204e4201, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144202360f0, 0x144204e4200, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x1442008a028, 0x144204e4200, 0x200, 0x200, 0x144204e4200, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x1442008a028, 0x144204e4200, 0x200, 0x200, 0x0, 0x0, 0x144201a51b8) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x14420144070, 0x894040, 0x1442008a028, 0x40ab556000, 0x14420144070, 0x1442047d601) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x14420144070, 0x894040, 0x1442008a028, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x14420144070, 0x894040, 0x1442008a028, 0x0, 0x144201b0180, 0x5e7fc4) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144202a0000, 0x144205d60e0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 132 [IO wait]: +internal/poll.runtime_pollWait(0x4089492ec8, 0x72, 0x144204a4000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x144203d8248, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x144203d8248, 0x144204a4001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144203d8230, 0x144204a4000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x144203da048, 0x144204a4000, 0x200, 0x200, 0x144204a4000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x144203da048, 0x144204a4000, 0x200, 0x200, 0x144200d62a8, 0x1, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x144201321c0, 0x894040, 0x144203da048, 0x40ab556000, 0x144201321c0, 0x404701) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x144201321c0, 0x894040, 0x144203da048, 0x0, 0x0, 0x0, 0x4e37c4, 0x144200d6280, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x144201321c0, 0x894040, 0x144203da048, 0x0, 0x4e3830, 0x144200aa0c0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x144200aa0c0, 0x14420537fb0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x1442058a420, 0x14420544200) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 75 [IO wait]: +internal/poll.runtime_pollWait(0x402b24ee30, 0x72, 0x1442033a000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x14420274658, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x14420274658, 0x1442033a001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x14420274640, 0x1442033a000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x144203dc048, 0x1442033a000, 0x200, 0x200, 0x1442033a000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x144203dc048, 0x1442033a000, 0x200, 0x200, 0x0, 0x0, 0x144201a5038) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x14420112310, 0x894040, 0x144203dc048, 0x40ab556000, 0x14420112310, 0x1442047ce01) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x14420112310, 0x894040, 0x144203dc048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x14420112310, 0x894040, 0x144203dc048, 0x0, 0x144201b0180, 0x5e7fc4) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144200eedc0, 0x1442033e200) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 76 [IO wait]: +internal/poll.runtime_pollWait(0x402b24ec90, 0x72, 0x1442033c000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x144202746f8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x144202746f8, 0x1442033c001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144202746e0, 0x1442033c000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x144203dc060, 0x1442033c000, 0x200, 0x200, 0x1442033c000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x144203dc060, 0x1442033c000, 0x200, 0x200, 0x0, 0x0, 0x144201a4eb8) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x144201123f0, 0x894040, 0x144203dc060, 0x40ab556000, 0x144201123f0, 0x1442047c601) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x144201123f0, 0x894040, 0x144203dc060, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x144201123f0, 0x894040, 0x144203dc060, 0x0, 0x144201b0180, 0x5e7fc4) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144200eedc0, 0x1442033e240) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 162 [runnable]: +os/exec.(*Cmd).Start.func1(0x144203d62c0, 0x14420584240) + /usr/lib/go-1.10/src/os/exec/exec.go:395 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 163 [runnable]: +os/exec.(*Cmd).Start.func1(0x144203d62c0, 0x14420584280) + /usr/lib/go-1.10/src/os/exec/exec.go:395 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 +--8<--------------------------------------------------------------------- + +It worked once for me: + +--8<--------------------------------------------------------------------- +ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build +--8<--------------------------------------------------------------------- + +but then again: + +--8<--------------------------------------------------------------------- +ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go build +�Afatal error: malloc deadlock +panic during panic +[signal SIGSEGV: segmentation violation code=0x1 addr=0x90 pc=0x90] + +runtime stack: +runtime.startpanic_m() + /usr/lib/go-1.10/src/runtime/panic.go:690 +0x178 +SIGILL: illegal instructionruntime.systemstack( +0x4000000000PC=0x44f790) + /usr/lib/go-1.10/src/runtime/asm_arm64.s:229 + m=0x8c +19runtime.mstart sigcode=() +2 /usr/lib/go-1.10/src/runtime/proc.go +:1175 + + +goroutine goroutine 80 [ [idlerunning]: +]: +runtime.systemstack_switch() + /usr/lib/go-1.10/src/runtime/asm_arm64.s:178 +0x8 fp=0x144205dcc30runtime.morestack sp=() + 0x144205dcc20/usr/lib/go-1.10/src/runtime/asm_arm64.s:301 pc= +0x68 +0x44f650 +runtime.startpanic() + /usr/lib/go-1.10/src/runtime/panic.go:589 + +0x14goroutine fp=80x144205dcc40 [ sp=running0x144205dcc30]: + pc=0x428efc +runtime.systemstack_switch() +runtime.throw (/usr/lib/go-1.10/src/runtime/asm_arm64.s0x82ca61:178 +0x8, fp=0x144205dcc30 sp=0x144205dcc20 pc=0x44f6500xf +) +runtime.startpanic (/usr/lib/go-1.10/src/runtime/panic.go) +: 615/usr/lib/go-1.10/src/runtime/panic.go +:0x54589 fp= +0x144205dcc600x14 sp= fp=0x144205dcc400x144205dcc40 pc= sp=0x428fec0x144205dcc30 + pc=0x428efc +runtime.throw(0x82ca61, 0xf) + /usr/lib/go-1.10/src/runtime/panic.go:615 +0x54 fp=0x144205dcc60 sp=0x144205dcc40 pc=0x428fec +runtime.mallocgcruntime.mallocgc((0x100x10, , 0x78e2800x78e280, , 0x144202ca0010x144202ca001, , 0x00x0) +) + /usr/lib/go-1.10/src/runtime/malloc.go/usr/lib/go-1.10/src/runtime/malloc.go::621621 + +0x8180x818 fp= fp=0x144205dcd100x144205dcd10 sp= sp=0x144205dcc600x144205dcc60 pc= pc=0x410e200x410e20 + +runtime.convT2Estringruntime.convT2Estring(0x78e280(, 0x78e2800x144205dcf60, , 0x144205dcf600x7, , 0x70x144203aa270, ) + 0x144203aa270/usr/lib/go-1.10/src/runtime/iface.go) +: 365/usr/lib/go-1.10/src/runtime/iface.go +:0x58365 fp= +0x144205dcd40 sp=0x580x144205dcd10 fp= pc=0x144205dcd400x40ead0 sp=0x144205dcd10 + pc=0x40ead0 +cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x14420174140, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xc2c fp=0x144205dd450 sp=0x144205dcd40cmd/go/internal/work.(*Builder).buildActionID pc=0x5c08c4( +0x144202a60a0cmd/go/internal/work.(*Builder).build, (0x144201741400x144202a60a0, , 0x00x14420174140, , 0x00x0, , 0x00x0, ) +0x0 ) +/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go :/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go304: +2190x64 + fp=0xc2c0x144205dde70 fp= sp=0x144205dd4500x144205dd450 sp= pc=0x144205dcd400x5c153c pc= +0x5c08c4 +cmd/go/internal/work.(*Builder).Do.func1(0x14420174140cmd/go/internal/work.(*Builder).build) +( 0x144202a60a0/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go, :0x14420174140106, +0x00x50, fp=0x00x144205ddef0) + sp= 0x144205dde70/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go pc=:0x5e7cd8304 + +0x64cmd/go/internal/work.(*Builder).Do.func2 fp=(0x144205dde700x144200ca7b0 sp=, 0x144205dd4500x144202a60a0 pc=, 0x5c153c0x1442019a9a0) + + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:cmd/go/internal/work.(*Builder).Do.func1164( +0x144201741400x8c) + fp= 0x144205ddfc0/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go sp=:0x144205ddef0106 pc= +0x5e7f740x50 + fp=0x144205ddef0runtime.goexit sp=(0x144205dde70) + pc= 0x5e7cd8/usr/lib/go-1.10/src/runtime/asm_arm64.s +:1037cmd/go/internal/work.(*Builder).Do.func2 +(0x40x144200ca7b0 fp=, 0x144205ddfc00x144202a60a0 sp=, 0x144205ddfc00x1442019a9a0 pc=) +0x451cec +/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c fp=0x144205ddfc0 sp=0x144205ddef0 pc=0x5e7f74 +runtime.goexit() + /usr/lib/go-1.10/src/runtime/asm_arm64.s:created by 1037 +0x4cmd/go/internal/work.(*Builder).Do fp=0x144205ddfc0 + sp=0x144205ddfc0 pc=0x451cec +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go/usr/lib/go-1.10/src/cmd/go/internal/work/exec.go::151151 + +0x34c0x34c + + +goroutine 1 [semacquire]: +sync.runtime_Semacquire(0x144200ca7bc) + /usr/lib/go-1.10/src/runtime/sema.go:56 +0x2c +sync.(*WaitGroup).Wait(0x144200ca7b0) + /usr/lib/go-1.10/src/sync/waitgroup.go:129 +0x68 +cmd/go/internal/work.(*Builder).Do(0x144202a60a0, 0x1442014b040) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:173 +0x36c +cmd/go/internal/work.runBuild(0xa5d0a0, 0x144200d4010, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/build.go:325 +0x4bc +main.main() + /usr/lib/go-1.10/src/cmd/go/main.go:140 +0x6f4 + +goroutine 19 [syscall]: +os/signal.signal_recv(0x0) + /usr/lib/go-1.10/src/runtime/sigqueue.go:139 +0xc8 +os/signal.loop() + /usr/lib/go-1.10/src/os/signal/signal_unix.go:22 +0x18 +created by os/signal.init.0 + /usr/lib/go-1.10/src/os/signal/signal_unix.go:28 +0x30 + +goroutine 9 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 10 [chan receive]: +os/exec.(*Cmd).Wait(0x1442011e000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:469 +0xe4 +os/exec.(*Cmd).Run(0x1442011e000, 0x14420142070, 0x1442015c000) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204ed320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x14420174000, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x14420174000, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x14420174000) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 11 [chan receive]: +os/exec.(*Cmd).Wait(0x144202aa000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:469 +0xe4 +os/exec.(*Cmd).Run(0x144202aa000, 0x144200f0070, 0x14420204000) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144205df320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x1442014b7c0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x1442014b7c0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x1442014b7c0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 12 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 13 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 14 [runnable]: +syscall.Wait4(0x20dd, 0x144204eea80, 0x0, 0x144203a2000, 0x2, 0x2, 0x2) + /usr/lib/go-1.10/src/syscall/syscall_linux.go:252 +0x74 +os.(*Process).wait(0x144200283f0, 0x144202d4060, 0x1442037c020, 0x144202c80d8) + /usr/lib/go-1.10/src/os/exec_unix.go:38 +0x7c +os.(*Process).Wait(0x144200283f0, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 +os/exec.(*Cmd).Wait(0x144202c8000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c +os/exec.(*Cmd).Run(0x144202c8000, 0x1442012a070, 0x14420136000) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204ef320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x14420174b40, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x14420174b40, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x14420174b40) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 15 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 16 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 82 [runnable]: +syscall.Wait4(0x20e5, 0x144204f2a80, 0x0, 0x1442022e000, 0x2, 0x2, 0x2) + /usr/lib/go-1.10/src/syscall/syscall_linux.go:252 +0x74 +os.(*Process).wait(0x14420376390, 0x144205f4060, 0x1442019a020, 0x144203440d8) + /usr/lib/go-1.10/src/os/exec_unix.go:38 +0x7c +os.(*Process).Wait(0x14420376390, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 +os/exec.(*Cmd).Wait(0x14420344000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c +os/exec.(*Cmd).Run(0x14420344000, 0x1442010c150, 0x144204cc000) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204f3320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x1442014be00, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x1442014be00, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x1442014be00) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 83 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 84 [syscall]: +syscall.Syscall6(0x5f, 0x1, 0x20d8, 0x144204e69a0, 0x1000004, 0x0, 0x0, 0x144202ac140, 0x1442009c800, 0x40009e16c8) + /usr/lib/go-1.10/src/syscall/asm_linux_arm64.s:36 +0x8 +os.(*Process).blockUntilWaitable(0x144200c67e0, 0x0, 0x0, 0x410a64) + /usr/lib/go-1.10/src/os/wait_waitid.go:31 +0x64 +os.(*Process).wait(0x144200c67e0, 0x144201ee0d0, 0x14420524020, 0x144202dc0d8) + /usr/lib/go-1.10/src/os/exec_unix.go:22 +0x2c +os.(*Process).Wait(0x144200c67e0, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 +os/exec.(*Cmd).Wait(0x144202dc000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c +os/exec.(*Cmd).Run(0x144202dc000, 0x14420150070, 0x14420324580) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204e7320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x14420174c80, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x14420174c80, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x14420174c80) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 85 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 86 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 87 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 88 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 89 [runnable]: +syscall.Wait4(0x20e9, 0x144204f0a80, 0x0, 0x1442022c000, 0x2, 0x2, 0x2) + /usr/lib/go-1.10/src/syscall/syscall_linux.go:252 +0x74 +os.(*Process).wait(0x144205f01e0, 0x1442025c1c0, 0x144204e4020, 0x144200c00d8) + /usr/lib/go-1.10/src/os/exec_unix.go:38 +0x7c +os.(*Process).Wait(0x144205f01e0, 0x0, 0x0, 0x856708) + /usr/lib/go-1.10/src/os/exec.go:123 +0x20 +os/exec.(*Cmd).Wait(0x144200c0000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:461 +0x3c +os/exec.(*Cmd).Run(0x144200c0000, 0x1442013c070, 0x144200e8000) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204f1320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x1442014bcc0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x1442014bcc0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x1442014bcc0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 90 [chan receive]: +os/exec.(*Cmd).Wait(0x144203e6000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:469 +0xe4 +os/exec.(*Cmd).Run(0x144203e6000, 0x144201300e0, 0x144200ea000) + /usr/lib/go-1.10/src/os/exec/exec.go:305 +0x48 +cmd/go/internal/work.(*Builder).toolID(0x144202a60a0, 0x8285a2, 0x7, 0x2c, 0x144204eb320) + /usr/lib/go-1.10/src/cmd/go/internal/work/buildid.go:183 +0x274 +cmd/go/internal/work.(*Builder).buildActionID(0x144202a60a0, 0x1442014b400, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:219 +0xbec +cmd/go/internal/work.(*Builder).build(0x144202a60a0, 0x1442014b400, 0x0, 0x0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:304 +0x64 +cmd/go/internal/work.(*Builder).Do.func1(0x1442014b400) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:106 +0x50 +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:164 +0x8c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 91 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 92 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 93 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 94 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 95 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 96 [select]: +cmd/go/internal/work.(*Builder).Do.func2(0x144200ca7b0, 0x144202a60a0, 0x1442019a9a0) + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:154 +0x10c +created by cmd/go/internal/work.(*Builder).Do + /usr/lib/go-1.10/src/cmd/go/internal/work/exec.go:151 +0x34c + +goroutine 54 [IO wait]: +internal/poll.runtime_pollWait(0x402b252ea8, 0x72, 0x144203c4000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x144200d01a8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x144200d01a8, 0x144203c4001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144200d0190, 0x144203c4000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x144200ce028, 0x144203c4000, 0x200, 0x200, 0x144203c4000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x144200ce028, 0x144203c4000, 0x200, 0x200, 0x0, 0x0, 0x1442046a5b8) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x1442010c000, 0x894040, 0x144200ce028, 0x40aad15000, 0x1442010c000, 0x14420069e01) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x1442010c000, 0x894040, 0x144200ce028, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x1442010c000, 0x894040, 0x144200ce028, 0x0, 0x1442019c200, 0x5e7fc4) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x14420344000, 0x1442019a080) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 55 [IO wait]: +internal/poll.runtime_pollWait(0x403c3f0c70, 0x72, 0x144204d0600) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x144200d0248, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x144200d0248, 0x144204d0601, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144200d0230, 0x144204d0600, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x144200ce040, 0x144204d0600, 0x200, 0x200, 0x144204d0600, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x144200ce040, 0x144204d0600, 0x200, 0x200, 0x0, 0x0, 0x144203b51b8) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x1442010c150, 0x894040, 0x144200ce040, 0x40aad15000, 0x1442010c150, 0x1442006de01) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x1442010c150, 0x894040, 0x144200ce040, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x1442010c150, 0x894040, 0x144200ce040, 0x0, 0x1442019c200, 0x5e7fc4) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x5e7fe8, 0x1) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x14420344000, 0x1442019a0c0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 98 [IO wait]: +internal/poll.runtime_pollWait(0x402b2528f8, 0x72, 0x14420340619) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x1442016e068, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x1442016e068, 0x14420340601, 0x5e7, 0x5e7) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x1442016e050, 0x14420340619, 0x5e7, 0x5e7, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x14420172010, 0x14420340619, 0x5e7, 0x5e7, 0x14420340600, 0x14420348000, 0x19) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x14420172010, 0x14420340619, 0x5e7, 0x5e7, 0x19, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x14420142000, 0x894040, 0x14420172010, 0x40aad15000, 0x14420142000, 0x144201be601) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x14420142000, 0x894040, 0x14420172010, 0x0, 0x0, 0x0, 0x144201beb80, 0x144201beba0, 0x144201bebc0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x14420142000, 0x894040, 0x14420172010, 0x144201beca0, 0x144201becc0, 0x144201bece0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x144201bee40, 0x144201bee60) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x1442011e000, 0x144203ae0a0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 97 [IO wait]: +internal/poll.runtime_pollWait(0x402b252d08, 0x72, 0x144201a8000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x1442025e568, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x1442025e568, 0x144201a8001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x1442025e550, 0x144201a8000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x1442000e0a0, 0x144201a8000, 0x200, 0x200, 0x144201a8000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x1442000e0a0, 0x144201a8000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x144200f0000, 0x894040, 0x1442000e0a0, 0x40aad15000, 0x144200f0000, 0x1) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x144200f0000, 0x894040, 0x1442000e0a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x144200f0000, 0x894040, 0x1442000e0a0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144202aa000, 0x1442000c0e0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 99 [IO wait]: +internal/poll.runtime_pollWait(0x403c3f0ee0, 0x72, 0x144202cc000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x1442016e108, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x1442016e108, 0x144202cc001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x1442016e0f0, 0x144202cc000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x14420172028, 0x144202cc000, 0x200, 0x200, 0x144202cc000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x14420172028, 0x144202cc000, 0x200, 0x200, 0x144201cc1e0, 0x144201cc200, 0x144201cc220) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x14420142070, 0x894040, 0x14420172028, 0x40aad15000, 0x14420142070, 0x144201cc301) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x14420142070, 0x894040, 0x14420172028, 0x0, 0x0, 0x0, 0x144201c1f60, 0x144201c1f80, 0x144201c2020) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x14420142070, 0x894040, 0x14420172028, 0x144201c2100, 0x144201c2120, 0x144201c2140) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x144201c2200, 0x144201c2220) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x1442011e000, 0x144203ae0e0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 114 [IO wait]: +internal/poll.runtime_pollWait(0x402b2525b8, 0x72, 0x144201a6000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x1442025e608, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x1442025e608, 0x144201a6001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x1442025e5f0, 0x144201a6000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x1442000e0b8, 0x144201a6000, 0x200, 0x200, 0x144201a6000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x1442000e0b8, 0x144201a6000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x144200f0070, 0x894040, 0x1442000e0b8, 0x40aad15000, 0x144200f0070, 0x1) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x144200f0070, 0x894040, 0x1442000e0b8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x144200f0070, 0x894040, 0x1442000e0b8, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144202aa000, 0x1442000c120) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 41 [IO wait]: +internal/poll.runtime_pollWait(0x402b252f78, 0x72, 0x144204d0000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x144204d20b8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x144204d20b8, 0x144204d0001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144204d20a0, 0x144204d0000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x1442027c020, 0x144204d0000, 0x200, 0x200, 0x144204d0000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x1442027c020, 0x144204d0000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x14420130000, 0x894040, 0x1442027c020, 0x40aad15000, 0x14420130000, 0x1) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x14420130000, 0x894040, 0x1442027c020, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x14420130000, 0x894040, 0x1442027c020, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144203e6000, 0x14420550080) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 42 [IO wait]: +internal/poll.runtime_pollWait(0x402b252278, 0x72, 0x144204d0800) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x144204d2158, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x144204d2158, 0x144204d0801, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144204d2140, 0x144204d0800, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x1442027c090, 0x144204d0800, 0x200, 0x200, 0x144204d0800, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x1442027c090, 0x144204d0800, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x144201300e0, 0x894040, 0x1442027c090, 0x40aad15000, 0x144201300e0, 0x1) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x144201300e0, 0x894040, 0x1442027c090, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x144201300e0, 0x894040, 0x1442027c090, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144203e6000, 0x144205500c0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 130 [IO wait]: +internal/poll.runtime_pollWait(0x402b253118, 0x72, 0x144203d2000) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x14420282518, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x14420282518, 0x144203d2001, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x14420282500, 0x144203d2000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x14420286030, 0x144203d2000, 0x200, 0x200, 0x144203d2000, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x14420286030, 0x144203d2000, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x1442012a000, 0x894040, 0x14420286030, 0x40aad15000, 0x1442012a000, 0x1) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x1442012a000, 0x894040, 0x14420286030, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x1442012a000, 0x894040, 0x14420286030, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144202c8000, 0x1442037c080) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 131 [IO wait]: +internal/poll.runtime_pollWait(0x403c3f0fb0, 0x72, 0x144204d0c00) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x144202825b8, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x144202825b8, 0x144204d0c01, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x144202825a0, 0x144204d0c00, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x14420286068, 0x144204d0c00, 0x200, 0x200, 0x144204d0c00, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x14420286068, 0x144204d0c00, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x1442012a070, 0x894040, 0x14420286068, 0x40aad15000, 0x1442012a070, 0x1) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x1442012a070, 0x894040, 0x14420286068, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x1442012a070, 0x894040, 0x14420286068, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144202c8000, 0x1442037c0c0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 71 [IO wait]: +internal/poll.runtime_pollWait(0x402b252a98, 0x72, 0x144204d0200) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x14420276388, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x14420276388, 0x144204d0201, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x14420276370, 0x144204d0200, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x144200f6010, 0x144204d0200, 0x200, 0x200, 0x144204d0200, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x144200f6010, 0x144204d0200, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x1442013c000, 0x894040, 0x144200f6010, 0x40aad15000, 0x1442013c000, 0x1) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x1442013c000, 0x894040, 0x144200f6010, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x1442013c000, 0x894040, 0x144200f6010, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144200c0000, 0x144204e4080) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 + +goroutine 72 [IO wait]: +internal/poll.runtime_pollWait(0x402b252418, 0x72, 0x144204d0a00) + /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x3c +internal/poll.(*pollDesc).wait(0x14420276428, 0x72, 0xffffffffffffff01, 0x894b40, 0xa63de0) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0xa0 +internal/poll.(*pollDesc).waitRead(0x14420276428, 0x144204d0a01, 0x200, 0x200) + /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x30 +internal/poll.(*FD).Read(0x14420276410, 0x144204d0a00, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/internal/poll/fd_unix.go:157 +0x138 +os.(*File).read(0x144200f6028, 0x144204d0a00, 0x200, 0x200, 0x144204d0a00, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file_unix.go:226 +0x40 +os.(*File).Read(0x144200f6028, 0x144204d0a00, 0x200, 0x200, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/os/file.go:107 +0x48 +bytes.(*Buffer).ReadFrom(0x1442013c070, 0x894040, 0x144200f6028, 0x40aad15000, 0x1442013c070, 0x1) + /usr/lib/go-1.10/src/bytes/buffer.go:205 +0x88 +io.copyBuffer(0x8937a0, 0x1442013c070, 0x894040, 0x144200f6028, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:386 +0x294 +io.Copy(0x8937a0, 0x1442013c070, 0x894040, 0x144200f6028, 0x0, 0x0, 0x0) + /usr/lib/go-1.10/src/io/io.go:362 +0x44 +os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0) + /usr/lib/go-1.10/src/os/exec/exec.go:275 +0x40 +os/exec.(*Cmd).Start.func1(0x144200c0000, 0x144204e40c0) + /usr/lib/go-1.10/src/os/exec/exec.go:396 +0x20 +created by os/exec.(*Cmd).Start + /usr/lib/go-1.10/src/os/exec/exec.go:395 +0x468 +--8<--------------------------------------------------------------------- + +Here's what it is: + +--8<--------------------------------------------------------------------- +ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static --version +qemu-aarch64 version 4.0.91 +Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers +ubuntu@qemu:~$ /usr/bin/qemu-aarch64-static /usr/lib/go-1.10/bin/go version +go version go1.10.4 linux/arm64 +ubuntu@qemu:~$ lsb_release -a +No LSB modules are available. +Distributor ID: Ubuntu +Description: Ubuntu 18.04.2 LTS +Release: 18.04 +Codename: bionic +ubuntu@qemu:~$ uname -a +Linux qemu 4.15.0-51-generic #55-Ubuntu SMP Wed May 15 14:27:21 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux +ubuntu@qemu:~$ lscpu +Architecture: x86_64 +CPU op-mode(s): 32-bit, 64-bit +Byte Order: Little Endian +CPU(s): 24 +On-line CPU(s) list: 0-23 +Thread(s) per core: 1 +Core(s) per socket: 1 +Socket(s): 24 +NUMA node(s): 1 +Vendor ID: GenuineIntel +CPU family: 6 +Model: 94 +Model name: Intel Core Processor (Skylake, IBRS) +Stepping: 3 +CPU MHz: 2194.916 +BogoMIPS: 4389.83 +Virtualization: VT-x +Hypervisor vendor: KVM +Virtualization type: full +L1d cache: 32K +L1i cache: 32K +L2 cache: 4096K +L3 cache: 16384K +NUMA node0 CPU(s): 0-23 +Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology cpuid tsc_known_freq pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch cpuid_fault invpcid_single pti ssbd ibrs ibpb tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap xsaveopt arat +--8<--------------------------------------------------------------------- + + +The 'qemucrash' test case from this bug still crashes as of current head-of-git (4.1 rc1). + +The 'qemucrash' test case problem seems to be because we were incorrectly implementing 'sigaltstack' as setting a process-wide signal stack. This is incorrect, as sigaltstack stacks are supposed to be per-thread, and the Go runtime relies on this. I've just sent a patch which seems to me to fix the qemucrash test case, at least: + +https://<email address hidden>/ + + +The sigaltstack fix is now in master (commit 5bfce0b74fbd5d530) and at least in my test environment this also fixes the "can't build hello.go reliably" example. So I'm marking this as 'fix committed'. If there are still problems with running Go binaries, these are likely to be independent bugs, so please open fresh LP issues for them. + + +Note that this fix will be in the upcoming 4.1 release. + + |