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Re: [Qemu-devel] VNC Segfault : was Re: Segfault installing Windows XP 3


From: Brad Campbell
Subject: Re: [Qemu-devel] VNC Segfault : was Re: Segfault installing Windows XP 32 Bit guest on Linux 64Bit host
Date: Fri, 30 May 2008 22:25:19 +0400
User-agent: Thunderbird 2.0.0.14 (X11/20080505)

Anthony Liguori wrote:
Brad Campbell wrote:
Anthony Liguori wrote:

Ok, this is a general VNC explosion. If I compile it with libSDL and run a standard SDL window over X then it works fine. As soon as I add -vnc :2 to the command line it blows up in the same place.

Is this the latest SVN?  There was a recent SEGV fix for VNC.

Yep
address@hidden:~/src/qemu$ svn up
At revision 4622.

It's very easily reproducible here, I'll have some time tomorrow to look at it closer and see if I can fix it.

How are you reproducing it?  With what client?

Great question. I tried the realvnc based xvncviewer and the problem did not 
occur.

address@hidden:~$ xvnc4viewer --version

VNC Viewer Free Edition 4.1.1 for X - built Apr 16 2008 13:02:40
Copyright (C) 2002-2005 RealVNC Ltd.
See http://www.realvnc.com for information on VNC.


This one dies horribly. Apparently on resolution change, but not certainly.. It does always die on a screen mode change though.

address@hidden:~$ vncviewer --version
TightVNC viewer version 1.2.9
Ubuntu package : xtightvncviewer from 8.04

I'm just building the latest tightvnc from source to see if the issue is fixed there, but xtightvncviewer from Ubuntu 8.04 will certainly kill it.

Brad
--
"Human beings, who are almost unique in having the ability
to learn from the experience of others, are also remarkable
for their apparent disinclination to do so." -- Douglas Adams




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