Hi,

I've been trying to get a thin-client setup with Gnome's GDM and Xdmx as
a proxy X server.

When invoked with the command line (security disabled for testing):

/usr/bin/Xvnc :1 -query localhost SecurityTypes=None -ac -depth 24

After a short time using the session, I get a crash:

Program received signal SIGSEGV, Segmentation fault.
0x0000000000522697 in XserverDesktop::deferredUpdateTimerCallback ()
(gdb) bt
#0  0x0000000000522697 in XserverDesktop::deferredUpdateTimerCallback ()
#1  0x0000000000539173 in rfb::RawEncoder::create ()
#2  0x0000000000539260 in rfb::RawEncoder::create ()
#3  0x0000000000521b66 in XserverDesktop::deferredUpdateTimerCallback ()
#4  0x0000000000519d89 in FatalError ()
#5  0x00000000004283c1 in NoopDDA ()
#6  0x0000000000509cad in XETrapCloseDown ()
#7  0x000000000042456b in dixDestroyPixmap ()
#8  0x0000000000434be5 in NotImplemented ()
#9  0x00002aee4eb51ae4 in __libc_start_main () from /lib64/libc.so.6
#10 0x0000000000414919 in __gxx_personality_v0 ()
#11 0x00007fff5db5fc68 in ?? ()
#12 0x0000000000000000 in ?? ()

This is with Xvnc as shipped with SuSE 10.2

xorg-x11-Xvnc (SuSE package version 7.1-33.3)

Are there any known bugs in VNC which could cause this? Any fixed
already in a newer version?

If not, how is best to proceed debugging the problem?

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)
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