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graphic: 0.722
other: 0.678
instruction: 0.662
semantic: 0.647
network: 0.613
mistranslation: 0.610
device: 0.604
socket: 0.586
assembly: 0.583
vnc: 0.569
boot: 0.564
KVM: 0.549
qemu abort in qemu_coroutine_enter when multi-thread writing
qemu release version: 2.2.0
platform: x86_64
qemu would be aborted when there are two threads to write two seperate qcow2 files.
call stack:
#0 0x7ffff5e18989 __GI_raise(sig=sig@entry=6) (../nptl/sysdeps/unix/sysv/linux/raise.c:56)
#1 0x7ffff5e1a098 __GI_abort() (abort.c:90)
#2 0x7ffff728c034 qemu_coroutine_enter(co=0x7fffe0004800, opaque=0x0) (qemu-coroutine.c:117)
#3 0x7ffff727df39 bdrv_co_io_em_complete(opaque=0x7ffff7fd6ae0, ret=0) (block.c:4847)
#4 0x7ffff7270314 thread_pool_completion_bh(opaque=0x7fffe0006ad0) (thread-pool.c:187)
#5 0x7ffff726f873 aio_bh_poll(ctx=0x7fffe0001d00) (async.c:82)
#6 0x7ffff728340b aio_dispatch(ctx=0x7fffe0001d00) (aio-posix.c:137)
#7 0x7ffff72837b0 aio_poll(ctx=0x7fffe0001d00, blocking=true) (aio-posix.c:248)
#8 ?? 0x00007ffff72795a8 in bdrv_prwv_co (bs=0x7fffdc0021c0, offset=12071639552, qiov=0x7fffe67fa590, is_write=true, flags=(unknown: 0)) (block.c:2703)
#9 ?? 0x00007ffff727966a in bdrv_rw_co (bs=0x7fffdc0021c0, sector_num=23577421, buf=0x7fffe4629250 "\234\b\335Ǽ\254\213q\301\366\315=\005oI\301\245=\373\004+2?H\212\025\035+\262\274C;X\301FaP\324\335\061ҝ&Y\316=\347\335\020\365\003goɿ\214\312S=\v2]\373\363C\311\341\334\r5k\346k\204\332\023\264\315陌\230\203J\222u\214\066", nb_sectors=128, is_write=true, flags=(unknown: 0)) (block.c:2726)
#10 0x7ffff7279758 bdrv_write(bs=0x7fffdc0021c0, sector_num=23577421, buf=0x7fffe4629250 "\234\b\335Ǽ\254\213q\301\366\315=\005oI\301\245=\373\004+2?H\212\025\035+\262\274C;X\301FaP\324\335\061ҝ&Y\316=\347\335\020\365\003goɿ\214\312S=\v2]\373\363C\311\341\334\r5k\346k\204\332\023\264\315陌\230\203J\222u\214\066", nb_sectors=128) (block.c:2760)
Triaging old bug tickets... can you still reproduce this issue with the latest version of QEMU? Or could we close this ticket nowadays?
[Expired for QEMU because there has been no activity for 60 days.]
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