No fix but a kind of workaround solution : 15 days ago, I have set my screensaver's theme to "blank screen" (or something like that, my ubuntu has french language).
Since there, no more compiz crashes after being back in my session. No more dmesg libGLcore messages too. Hope this could help. -- Compiz crashes on unlocking screensaver https://bugs.launchpad.net/bugs/495121 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