Re: [Qemu-devel] [old BUG]: -watchdog-action pause hangs QEMU

[Paolo Bonzini]

Il 27/06/2014 14:45, Luiz Capitulino ha scritto:
> On Thu, 26 Jun 2014 23:24:09 +0200
> Paolo Bonzini <address@hidden> wrote:
>
> > Il 26/06/2014 22:19, Luiz Capitulino ha scritto:
> > > Here goes a gdb backtrace:
> > >
> > > #0  0x00007f298ce31759 in syscall () from /lib64/libc.so.6
> > > #1  0x00007f29939b0b56 in futex_wait (ev=0x7f2994548f18, val=4294967295)
> > >     at 
> > > /home/lcapitulino/work/src/upstream/qmp-unstable/util/qemu-thread-posix.c:304
> > > #2  0x00007f29939b0c68 in qemu_event_wait (ev=0x7f2994548f18)
> > >     at 
> > > /home/lcapitulino/work/src/upstream/qmp-unstable/util/qemu-thread-posix.c:400
> > > #3  0x00007f299392a066 in qemu_clock_enable (type=QEMU_CLOCK_VIRTUAL, 
> > > enabled=false)
> > >     at /home/lcapitulino/work/src/upstream/qmp-unstable/qemu-timer.c:171


/* Disabling the clock will wait for related timerlists to stop
 * executing qemu_run_timers.  Thus, this functions should not
 * be used from the callback of a timer that is based on @clock.
 * Doing so would cause a deadlock.
 */

It does indeed.  I'll post a fix during hard freeze.

Paolo