ubuntu-x-swat team mailing list archive

[Geir Ove Myhr <gomyhr@xxxxxxxxx>]

Khashayar, would you mind attaching the output of `lspci -vvnn` and getting a full backtrace? There are several methods for getting a full backtrace at https://wiki.ubuntu.com/X/Backtracing . My personal favourite is 
sudo /etc/init.d/gdm stop
ulimit -c unlimited
sudo /etc/init.d/gdm start
and then provoke the crash and get a core file in /etc/X11 and then do the backtrace "offline" with 
sudo gdb /usr/bin/Xorg /etc/X11/core 2>&1 | tee gdb-Xorg.txt
backtrace full

You may have to add
Section "ServerFlags"
        Option "NoTrapSignals" "true"
EndSection
to your xorg.conf for this to work, but I'm not sure.

-- 
[GM45] certain xrandr combinations cause crash
https://bugs.launchpad.net/bugs/385106
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