diff options
Diffstat (limited to 'results/classifier/zero-shot/108/other/1218098')
| -rw-r--r-- | results/classifier/zero-shot/108/other/1218098 | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/results/classifier/zero-shot/108/other/1218098 b/results/classifier/zero-shot/108/other/1218098 new file mode 100644 index 00000000..fcf44f40 --- /dev/null +++ b/results/classifier/zero-shot/108/other/1218098 @@ -0,0 +1,137 @@ +other: 0.762 +performance: 0.636 +graphic: 0.620 +debug: 0.556 +KVM: 0.526 +permissions: 0.499 +boot: 0.494 +network: 0.494 +device: 0.481 +PID: 0.474 +semantic: 0.473 +files: 0.460 +socket: 0.443 +vnc: 0.440 + +qemu-system-ppc64 segfaults in helper_ldl_mmu + +Download a Fedora 19 ISO from: +http://mirrors.kernel.org/fedora-secondary/releases/19/Fedora/ppc64/iso/ + +Compile qemu from git (I'm using 401c227b0a1134245ec61c6c5a9997cfc963c8e4 +from today). + +Run qemu-system-ppc64 like this: + +ppc64-softmmu/qemu-system-ppc64 -M pseries -m 4096 -hda /dev/fedora/f20ppc64 -cdrom /tmp/Fedora-19-ppc64-DVD.iso -netdev user,id=usernet,net=169.254.0.0/16 -device virtio-net-pci,netdev=usernet + +Guest gets to yaboot. If you hit return, qemu segfaults: + +Program received signal SIGABRT, Aborted. +0x00007ffff041fa19 in __GI_raise (sig=sig@entry=6) + at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 +56 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig); +(gdb) t a a bt + +Thread 4 (Thread 0x7fff6eef7700 (LWP 7553)): +#0 sem_timedwait () + at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:101 +#1 0x00005555559a5897 in qemu_sem_timedwait (sem=sem@entry=0x55555631e788, + ms=ms@entry=10000) at util/qemu-thread-posix.c:238 +#2 0x000055555577e54c in worker_thread (opaque=0x55555631e6f0) + at thread-pool.c:97 +#3 0x00007ffff625ec53 in start_thread (arg=0x7fff6eef7700) + at pthread_create.c:308 +#4 0x00007ffff04df13d in clone () + at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 + +Thread 3 (Thread 0x7fff6e605700 (LWP 7547)): +#0 0x00007ffff041fa19 in __GI_raise (sig=sig@entry=6) + at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 +#1 0x00007ffff0421128 in __GI_abort () at abort.c:90 +#2 0x000055555583ea33 in helper_ldl_mmu (env=0x7ffff7fd7140, addr=1572864, + mmu_idx=1) at /home/rjones/d/qemu/include/exec/softmmu_template.h:153 +#3 0x00007fffab0819d8 in code_gen_buffer () +#4 0x00005555557aa7ae in cpu_tb_exec (tb_ptr=<optimized out>, + cpu=0x7ffff7fd7010) at /home/rjones/d/qemu/cpu-exec.c:56 +#5 cpu_ppc_exec (env=env@entry=0x7ffff7fd7140) + at /home/rjones/d/qemu/cpu-exec.c:631 +#6 0x00005555557abc35 in tcg_cpu_exec (env=0x7ffff7fd7140) + at /home/rjones/d/qemu/cpus.c:1193 +#7 tcg_exec_all () at /home/rjones/d/qemu/cpus.c:1226 +#8 qemu_tcg_cpu_thread_fn (arg=<optimized out>) + at /home/rjones/d/qemu/cpus.c:885 +#9 0x00007ffff625ec53 in start_thread (arg=0x7fff6e605700) + at pthread_create.c:308 +#10 0x00007ffff04df13d in clone () + at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 + +Thread 1 (Thread 0x7ffff7fa9a40 (LWP 7542)): +#0 0x00007ffff04d4c2f in __GI_ppoll (fds=0x555556483210, nfds=4, + timeout=<optimized out>, timeout@entry=0x7fffffffd940, + sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:56 +#1 0x0000555555762db9 in ppoll (__ss=0x0, __timeout=0x7fffffffd940, + __nfds=<optimized out>, __fds=<optimized out>) + at /usr/include/bits/poll2.h:77 +#2 qemu_poll_ns (fds=<optimized out>, nfds=<optimized out>, + timeout=timeout@entry=951497) at qemu-timer.c:276 +#3 0x000055555572b58c in os_host_main_loop_wait (timeout=951497) + at main-loop.c:228 +#4 main_loop_wait (nonblocking=<optimized out>) at main-loop.c:484 +#5 0x00005555555ef9d8 in main_loop () at vl.c:2090 +#6 main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) + at vl.c:4435 + +NB: This does NOT happen if you specify -cpu POWER7 on the command line. + +git bisect points the finger at: + +401c227b0a1134245ec61c6c5a9997cfc963c8e4 is the first bad commit +commit 401c227b0a1134245ec61c6c5a9997cfc963c8e4 +Author: Richard Henderson <email address hidden> +Date: Thu Jul 25 07:16:52 2013 -1000 + + tcg-i386: Use new return-argument ld/st helpers + + Discontinue the jump-around-jump-to-jump scheme, trading it for a single + immediate move instruction. The two extra jumps always consume 7 bytes, + whereas the immediate move is either 5 or 7 bytes depending on where the + code_gen_buffer gets located. + + Signed-off-by: Richard Henderson <email address hidden> + +:040000 040000 dfd9a66c85713cd1886a3342de1e9ac95d7ea43f df8673dea69bc89cc2cc979aa24415e3fea4ed53 M include +:040000 040000 1f7cd5291f2c69b4126c63bd567c6b106eb332c9 87e7ece766168dda860b513dc97fe5af28ec2c4b M tcg + + +I just bisected the same thing down to this commit. It only breaks on one of my x86 machines though. Namely one with + + gcc (SUSE Linux) 4.7.2 20130108 [gcc-4_7-branch revision 195012] + +The abort comes from stack protect code: + +(gdb) bt +#0 0x00007f4cdf7ff3d5 in raise () from /lib64/libc.so.6 +#1 0x00007f4cdf800858 in abort () from /lib64/libc.so.6 +#2 0x00007f4ce18f15b9 in helper_ldl_mmu (env=0x7f4cce74f140, addr=2143803008, + mmu_idx=1) at /tmp/qemu_src/include/exec/softmmu_template.h:153 +#3 0x00007f4cd71eb335 in ?? () +#4 0x0000000000000000 in ?? () +(gdb) up +#1 0x00007f4cdf800858 in abort () from /lib64/libc.so.6 +(gdb) +#2 0x00007f4ce18f15b9 in helper_ldl_mmu (env=0x7f4cce74f140, addr=2143803008, + mmu_idx=1) at /tmp/qemu_src/include/exec/softmmu_template.h:153 +warning: Source file is more recent than executable. +153 GETPC_EXT()); +(gdb) p /x addr +$1 = 0x7fc7d680 +(gdb) x /i $pc +=> 0x7f4ce18f15b9 <helper_ldl_mmu+121>: + callq 0x7f4ce16d3550 <__stack_chk_fail@plt> + +Fix posted: http://patchwork.ozlabs.org/patch/270872/ + + +Commit 584950fd4e4d6ca580800e46f1b41cf1b0b4236c + |