[libvirt] 'make check' hangs

[Osier Yang]

On 2011年11月30日 19:28, Daniel Veillard wrote:
> On Wed, Nov 30, 2011 at 09:01:28AM +0000, Daniel P. Berrange wrote:
>> On Wed, Nov 30, 2011 at 11:18:23AM +0800, Wen Congyang wrote:
>>> When I run 'make check', it hangs sometimes.
>>>
>>> I use gdb to attach lt-virsh, and the following is the
>>> backtrace:
>>> (gdb) thread 1
>>> [Switching to thread 1 (Thread 0x7fc6c04d5800 (LWP 24099))]#0  0x0000003bdce0804d in pthread_join () from /lib64/libpthread.so.0
>>> (gdb) bt
>>> #0  0x0000003bdce0804d in pthread_join () from /lib64/libpthread.so.0
>>> #1  0x000000000041c0b3 in vshDeinit (ctl=0x7fff015f4570) at virsh.c:17262
>>> #2  0x00000000004248d1 in main (argc=<value optimized out>, argv=0x7fff015f4728) at virsh.c:17608
>>> (gdb) thread 2
>>> [Switching to thread 2 (Thread 0x7fc6c04d4700 (LWP 24138))]#0  0x0000003bdc2dc053 in poll () from /lib64/libc.so.6
>>> (gdb) bt
>>> #0  0x0000003bdc2dc053 in poll () from /lib64/libc.so.6
>>> #1  0x00007fc6c075359c in virEventPollRunOnce () at util/event_poll.c:619
>>> #2  0x00007fc6c07527d7 in virEventRunDefaultImpl () at util/event.c:247
>>> #3  0x000000000041bea3 in vshEventLoop (opaque=0x7fff015f4570) at virsh.c:16800
>>> #4  0x00007fc6c0764702 in virThreadHelper (data=<value optimized out>) at util/threads-pthread.c:157
>>> #5  0x0000003bdce077f1 in start_thread () from /lib64/libpthread.so.0
>>> #6  0x0000003bdc2e570d in clone () from /lib64/libc.so.6
>>> (gdb)
>>
>>
>> I've seen this once, for the first time yesterday, but I can't
>> see any obvious change in either virsh, or the event code that
>> would have caused this to start happening in the past couple
>> of days.
>
>    Same yesterday for me, first time too, on F14, I was blaming my system
> as I got an oops earlier, but apparently that's not it ! I got it again,
> and it's the virsh-synopsis test which fails to finish. I had to try 4
> time before reproducing it...
>
> Daniel
>

I see the problem too, generally it will hangs when testing "virsh
schedinfo".

Regards,
Osier