diff options
Diffstat (limited to 'results/classifier/gemma3:12b/performance/1805256')
| -rw-r--r-- | results/classifier/gemma3:12b/performance/1805256 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/performance/1805256 b/results/classifier/gemma3:12b/performance/1805256 new file mode 100644 index 000000000..149bd5518 --- /dev/null +++ b/results/classifier/gemma3:12b/performance/1805256 @@ -0,0 +1,27 @@ + +qemu-img hangs on rcu_call_ready_event logic in Aarch64 when converting images + +On the HiSilicon D06 system - a 96 core NUMA arm64 box - qemu-img frequently hangs (~50% of the time) with this command: + +qemu-img convert -f qcow2 -O qcow2 /tmp/cloudimg /tmp/cloudimg2 + +Where "cloudimg" is a standard qcow2 Ubuntu cloud image. This qcow2->qcow2 conversion happens to be something uvtool does every time it fetches images. + +Once hung, attaching gdb gives the following backtrace: + +(gdb) bt +#0 0x0000ffffae4f8154 in __GI_ppoll (fds=0xaaaae8a67dc0, nfds=187650274213760, + timeout=<optimized out>, timeout@entry=0x0, sigmask=0xffffc123b950) + at ../sysdeps/unix/sysv/linux/ppoll.c:39 +#1 0x0000aaaabbefaf00 in ppoll (__ss=0x0, __timeout=0x0, __nfds=<optimized out>, + __fds=<optimized out>) at /usr/include/aarch64-linux-gnu/bits/poll2.h:77 +#2 qemu_poll_ns (fds=<optimized out>, nfds=<optimized out>, + timeout=timeout@entry=-1) at util/qemu-timer.c:322 +#3 0x0000aaaabbefbf80 in os_host_main_loop_wait (timeout=-1) + at util/main-loop.c:233 +#4 main_loop_wait (nonblocking=<optimized out>) at util/main-loop.c:497 +#5 0x0000aaaabbe2aa30 in convert_do_copy (s=0xffffc123bb58) at qemu-img.c:1980 +#6 img_convert (argc=<optimized out>, argv=<optimized out>) at qemu-img.c:2456 +#7 0x0000aaaabbe2333c in main (argc=7, argv=<optimized out>) at qemu-img.c:4975 + +Reproduced w/ latest QEMU git (@ 53744e0a182) \ No newline at end of file |