On 18/06/2015 08:39, Peter Lieven wrote: > > It seems like the mainloop is waiting here: > > #0 0x00007ffff606c89c in __lll_lock_wait () > from /lib/x86_64-linux-gnu/libpthread.so.0 > No symbol table info available. > #1 0x00007ffff6068065 in _L_lock_858 () > from /lib/x86_64-linux-gnu/libpthread.so.0 > No symbol table info available. > #2 0x00007ffff6067eba in pthread_mutex_lock () > from /lib/x86_64-linux-gnu/libpthread.so.0 > No symbol table info available. > #3 0x00005555559f2557 in qemu_mutex_lock (mutex=0x555555ed6d40) > at util/qemu-thread-posix.c:76 > err = 0 > __func__ = "qemu_mutex_lock" > #4 0x00005555556306ef in qemu_mutex_lock_iothread () > at /usr/src/qemu-2.2.0/cpus.c:1123 > No locals.
This means the VCPU is busy with some synchronous activity---maybe a bdrv_aio_cancel? Paolo
