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Diffstat (limited to 'results/classifier/gemma3:12b/performance/1824053')
| -rw-r--r-- | results/classifier/gemma3:12b/performance/1824053 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/performance/1824053 b/results/classifier/gemma3:12b/performance/1824053 new file mode 100644 index 000000000..842f5bfa6 --- /dev/null +++ b/results/classifier/gemma3:12b/performance/1824053 @@ -0,0 +1,34 @@ + +Qemu-img convert appears to be stuck on aarch64 host with low probability + +Hi, I found a problem that qemu-img convert appears to be stuck on aarch64 host with low probability. + +The convert command line is "qemu-img convert -f qcow2 -O raw disk.qcow2 disk.raw ". + +The bt is below: + +Thread 2 (Thread 0x40000b776e50 (LWP 27215)): +#0 0x000040000a3f2994 in sigtimedwait () from /lib64/libc.so.6 +#1 0x000040000a39c60c in sigwait () from /lib64/libpthread.so.0 +#2 0x0000aaaaaae82610 in sigwait_compat (opaque=0xaaaac5163b00) at util/compatfd.c:37 +#3 0x0000aaaaaae85038 in qemu_thread_start (args=args@entry=0xaaaac5163b90) at util/qemu_thread_posix.c:496 +#4 0x000040000a3918bc in start_thread () from /lib64/libpthread.so.0 +#5 0x000040000a492b2c in thread_start () from /lib64/libc.so.6 + +Thread 1 (Thread 0x40000b573370 (LWP 27214)): +#0 0x000040000a489020 in ppoll () from /lib64/libc.so.6 +#1 0x0000aaaaaadaefc0 in ppoll (__ss=0x0, __timeout=0x0, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/bits/poll2.h:77 +#2 qemu_poll_ns (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at qemu_timer.c:391 +#3 0x0000aaaaaadae014 in os_host_main_loop_wait (timeout=<optimized out>) at main_loop.c:272 +#4 0x0000aaaaaadae190 in main_loop_wait (nonblocking=<optimized out>) at main_loop.c:534 +#5 0x0000aaaaaad97be0 in convert_do_copy (s=0xffffdc32eb48) at qemu-img.c:1923 +#6 0x0000aaaaaada2d70 in img_convert (argc=<optimized out>, argv=<optimized out>) at qemu-img.c:2414 +#7 0x0000aaaaaad99ac4 in main (argc=7, argv=<optimized out>) at qemu-img.c:5305 + + +The problem seems to be very similar to the phenomenon described by this patch (https://resources.ovirt.org/pub/ovirt-4.1/src/qemu-kvm-ev/0025-aio_notify-force-main-loop-wakeup-with-SIGIO-aarch64.patch), + +which force main loop wakeup with SIGIO. But this patch was reverted by the patch (http://ovirt.repo.nfrance.com/src/qemu-kvm-ev/kvm-Revert-aio_notify-force-main-loop-wakeup-with-SIGIO-.patch). + +The problem still seems to exist in aarch64 host. The qemu version I used is 2.8.1. The host version is 4.19.28-1.2.108.aarch64. + Do you have any solutions to fix it? Thanks for your reply ! \ No newline at end of file |