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Re: [libvirt] 'make check' hangs



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.


Daniel
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