On 28.02.2012 09:37, Corentin Chary wrote:
On Mon, Feb 13, 2012 at 10:24 AM, Peter Lieven<pl@xxxxxxx> wrote:
Am 11.02.2012 um 09:55 schrieb Corentin Chary:
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,
Hi Corentin,
thanks for rebasing those patches. I remember that I have seen them the
last time I noticed (about 1 year ago) that the threaded VNC is crashing.
I'm on vacation this week, but I will test them next week
and let you know if I can force a crash with them applied. If not we should
consider to include them asap.
Hi Peter, any news on that ?
sorry, i had much trouble debugging nasty slow windows vm problems last
2 weeks.
but its still on my list. i'll keep you all posted.
peter
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