More detailed debug info follows.
Compiz was enabled in basic mode. And I forgot to take backtrace from it :( But my guess is that this might be because of multiple applications accessing graphics system simultaneously and driver having somewhere bug.
More detailed debug info follows.
Compiz was enabled in basic mode. And I forgot to take backtrace from it :( But my guess is that this might be because of multiple applications accessing graphics system simultaneously and driver having somewhere bug.