Comment 1 for bug 1216781

Revision history for this message
Sean Zhang (sean.zhang) wrote :

Bin Li (binli) found the root cause, it's related to compiz, after upgrade compzi to 1:0.9.7.12-0ubuntu2, it will met this issue.
And it's one potential issue when made the better performance for compiz.

+ * Performance note: unredirectable.evaluate is SLOW because it
+ * involves regex matching. Too slow to do on every window for
+ * every frame. So we only call it if a window is redirected AND
+ * potentially needs unredirecting. This means changes to
+ * unredirect_match while a window is unredirected already may not
+ * take effect until it is un-fullscreened again. But that's better
+ * than the high price of regex matching on every frame.

And for more information please view below related bugs.

blacklist_precise_mesa80_intel_nouveau.patch (bug#1167321)
fix_1095001.patch (bug#1095001)

This bug is requesting to change the patch mentioned above to fix the issue in bug description.