Re: qemu-kvm-1.0 crashes with threaded vnc server?

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On Tue, Mar 13, 2012 at 12:29 PM, Peter Lieven <pl@xxxxxxx> wrote:
> On 11.02.2012 09:55, Corentin Chary wrote:
>>
>> On Thu, Feb 9, 2012 at 7:08 PM, Peter Lieven<pl@xxxxxxx>  wrote:
>>>
>>> Hi,
>>>
>>> is anyone aware if there are still problems when enabling the threaded
>>> vnc
>>> server?
>>> I saw some VMs crashing when using a qemu-kvm build with
>>> --enable-vnc-thread.
>>>
>>> qemu-kvm-1.0[22646]: segfault at 0 ip 00007fec1ca7ea0b sp
>>> 00007fec19d056d0
>>> error 6 in libz.so.1.2.3.3[7fec1ca75000+16000]
>>> qemu-kvm-1.0[26056]: segfault at 7f06d8d6e010 ip 00007f06e0a30d71 sp
>>> 00007f06df035748 error 6 in libc-2.11.1.so[7f06e09aa000+17a000]
>>>
>>> I had no time to debug further. It seems to happen shortly after
>>> migrating,
>>> but thats uncertain. At least the segfault in libz seems to
>>> give a hint to VNC since I cannot image of any other part of qemu-kvm
>>> using
>>> libz except for VNC server.
>>>
>>> Thanks,
>>> Peter
>>>
>>>
>> Hi Peter,
>> I found two patches on my git tree that I sent long ago but somehow
>> get lost on the mailing list. I rebased the tree but did not have the
>> time (yet) to test them.
>> http://git.iksaif.net/?p=qemu.git;a=shortlog;h=refs/heads/wip
>> Feel free to try them. If QEMU segfault again, please send a full gdb
>> backtrace / valgrind trace / way to reproduce :).
>> Thanks,
>>
> I have seen no more crashes with these to patches applied. I would suggest
> it would be good to push them to the master repository.
>
> Thank you,
> Peter
>

Ccing Alexander,


-- 
Corentin Chary
http://xf.iksaif.net
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