1. Switch to a virtual console: Ctrl+Alt+F1 and log in.
2. Run:
gdb `which compiz` `pidof compiz` | tee /tmp/compizbt.txt
3. At the (gdb) prompt type:
bt
quit
4. Revive your desktop by running:
sudo restart lightdm
5. Attach the file /tmp/compizbt.txt to this bug.
Thanks in advance. I hope we can make debugging steps like these simpler in future :(
When the freeze happens next, please do this:
1. Switch to a virtual console: Ctrl+Alt+F1 and log in.
2. Run:
gdb `which compiz` `pidof compiz` | tee /tmp/compizbt.txt
3. At the (gdb) prompt type:
bt
quit
4. Revive your desktop by running:
sudo restart lightdm
5. Attach the file /tmp/compizbt.txt to this bug.
Thanks in advance. I hope we can make debugging steps like these simpler in future :(