I thought I could use the "backtrace with gdb" above even without logging in from a remote machine but it seems this is not possible. In the gdb session, after you attached to the process, typed "continue" and typed ctrl-alt-f7 to go to the gui screen, the machine freezes completely.
However I recalled that I did produce a crash file three days ago by running "sudo service apport start force_start=1". However I could not upload it, and I don't know why (may be too big ? it was a 3MB gzipped size) As I since downloaded the three .dbg packages (xserver-xorg-core-dbg, xserver-xorg-video-intel-dbg and libgl1-mesa-dri-gdb), I ran again the above command, and I could produce a second crash file. I don't know if the crash file generation procedure uses them and if it will be useful. The gzipped size is now 4MB ... I hope the upload will work... ** Attachment added: "_usr_bin_Xorg.0.crash.gz" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/640058/+attachment/1609969/+files/_usr_bin_Xorg.0.crash.gz -- [xorg-edgers] X server crash with intel driver when using "shadow" option https://bugs.launchpad.net/bugs/640058 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
