diff options
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/1907.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/1907.toml | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/1907.toml b/gitlab/issues/target_missing/host_missing/accel_missing/1907.toml deleted file mode 100644 index 367fac0ef..000000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/1907.toml +++ /dev/null @@ -1,65 +0,0 @@ -id = 1907 -title = "QEMU LoongArch regression after merging LASX changes" -state = "closed" -created_at = "2023-09-26T03:54:58.431Z" -closed_at = "2023-10-08T06:54:35.499Z" -labels = [] -url = "https://gitlab.com/qemu-project/qemu/-/issues/1907" -host-os = "Debian Linux Bookworm" -host-arch = "x86_64" -qemu-version = "v8.1.0-1000-g494a6a2cf7" -guest-os = "Gentoo Linux" -guest-arch = "LoongArch" -description = """After enabling LASX in qemu (@gaosong), booting Gentoo Linux with latest glibc master (w/ LSX & LASX optimized libc routines) will fail in systemd: - -``` -[ 10.350207] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000085 -[ 10.350557] CPU: 5 PID: 1 Comm: systemd Not tainted 6.5.2-gentoo #2 -[ 10.350655] Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015 -[ 10.350961] Stack : 0072617764726148 0000000000000000 9000000000223440 90000001000e4000 -[ 10.351181] 90000001000e7990 90000001000e7998 0000000000000000 90000001000e7ad8 -[ 10.351294] 90000001000e7ad0 90000001000e7ad0 90000001000e7900 0000000000000001 -[ 10.351406] 0000000000000001 90000001000e7998 ec94a2e1446052e6 9000000100438140 -[ 10.351519] 0000000000000001 0000000000000003 0000000000000000 0000000000000030 -[ 10.351630] 0000000000000000 00000000000559bf 00000000056e0000 0000000000000004 -[ 10.351745] 0000000000000000 0000000000000000 900000000162b438 900000000177e000 -[ 10.351856] 00000000400004d8 0000000000000001 0000000000000018 90000001000e7c84 -[ 10.351968] 0000000000020000 0000000000000000 9000000000223458 00007ffff0341af0 -[ 10.352081] 00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c -[ 10.352196] ... -[ 10.352277] Call Trace: -[ 10.352482] [<9000000000223458>] show_stack+0x5c/0x180 -[ 10.353518] [<9000000001178d4c>] dump_stack_lvl+0x60/0x88 -[ 10.353592] [<900000000115cd7c>] panic+0x13c/0x308 -[ 10.353670] [<900000000024244c>] do_exit+0x860/0x868 -[ 10.353735] [<900000000024261c>] do_group_exit+0x34/0x94 -[ 10.353803] [<9000000000250514>] get_signal+0x75c/0x804 -[ 10.353869] [<90000000002254c4>] arch_do_signal_or_restart+0x74/0xae0 -[ 10.353944] [<90000000002c738c>] exit_to_user_mode_loop.isra.0+0x90/0x10c -[ 10.354041] [<9000000001179ff0>] irqentry_exit_to_user_mode+0x1c/0x28 -[ 10.354119] [<90000000011792f8>] do_bp+0xcc/0x2ac -[ 10.354222] [<90000001005a1924>] 0x90000001005a1924 -[ 10.354522] [<00007ffff0341af0>] 0x7ffff0341af0 -``` - -Full log: - -[stderr](/uploads/61b9870ae2441c9a25f44791c67889b8/stderr) - -Instruction trace `-d in_asm,out_asm,op` (very large): - -[log.tar.zstd](https://cloud.tsinghua.edu.cn/f/a83eac6d44694ede8cb1/?dl=1) - -I also tried to boot LoongArchLinux whose glibc does not have LSX/LASX optimized C routines, and it can boot without problems. If I chroot from LoongArchLinux into Gentoo Linux, running `emerge` command will SIGSEGV. - -If I disable LASX in CPUCFG2, the problem is gone: - -```cpp -// data = FIELD_DP32(data, CPUCFG2, LASX, 1), -``` - -I guess the bug is related to LASX assemblies in [glibc](https://github.com/bminor/glibc/tree/master/sysdeps/loongarch/lp64/multiarch).""" -reproduce = """1. Launch qemu -2. Wait for systemd to be killed -3. Collect logs""" -additional = """""" |