Hi, I have just collected a full backtrace with gdb as described in https://wiki.ubuntu.com/X/Backtracing and https://wiki.ubuntu.com/Backtrace
This is the log for gdb. To note: This is the first time I have done something like this. ** Attachment added: "gdb session until the moment of the crash" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/778490/+attachment/2156250/+files/gdb-Xorg.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/778490 Title: Random logout after upgrading to Natty Narwhal 11.04 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs