Hi there, I'm a newbie of qemu(2.10.0), when i start a vm from qemu, it sometimes get stuck, through gdb debugging, i found aio_worker thread(list below) missing when vm get stuck, but i don't know why, does anybody has further idea about this?
(gdb) info threads > > Id Target Id Frame > > 1 LWP 25451 "qemu-system-x86" 0x00007fc62081dc8b in ppoll () from >> /lib/libc.so.6 > > 2 LWP 25452 "qemu-system-x86" 0x00007fc620823ee9 in syscall () from >> /lib/libc.so.6 > > * 3 LWP 25495 "qemu-system-x86" 0x00007fc620af8e80 in ?? () from >> /lib/libpthread.so.0 > > 4 LWP 25496 "qemu-system-x86" 0x00007fc62081f697 in ioctl () from >> /lib/libc.so.6 > > 5 LWP 25497 "qemu-system-x86" 0x00007fc62081f697 in ioctl () from >> /lib/libc.so.6 > > 6 LWP 25498 "qemu-system-x86" 0x00007fc62081db9d in poll () from >> /lib/libc.so.6 > > 7 LWP 25500 "threaded-ml" 0x00007fc62081db9d in poll () from >> /lib/libc.so.6 > > 8 LWP 25501 "qemu-system-x86" 0x00007fc620af5e1d in pthread_cond_wait >> () from /lib/libpthread.so.0 > > 9 LWP 25502 "qemu-system-x86" 0x00007fc620af5e1d in pthread_cond_wait >> () from /lib/libpthread.so.0 > > (gdb) bt > > #0 0x00007fc620af8e80 in () at /lib/libpthread.so.0 > > #1 0x00007fc620af8f5f in () at /lib/libpthread.so.0 > > #2 0x00007fc620af906f in sem_timedwait () at /lib/libpthread.so.0 > > #3 0x000055b66332e585 in qemu_sem_timedwait (sem=0x55b664e6c868, >> ms=10000) at util/qemu-thread-posix.c:289 > > #4 0x000055b6633279b6 in worker_thread (opaque=0x55b664e6c7f0) at >> util/thread-pool.c:102 > > #5 0x00007fc620aef767 in () at /lib/libpthread.so.0 > > #6 0x00007fc62082985f in clone () at /lib/libc.so.6 > >
