You can install this to fix it as a drop in replacement with no external dependencies until it's fixed in the archive, or just disable compiz in the meantime.
https://edge.launchpad.net/%7Esarvatt/+archive/ppa/+sourcepub/643434 /+listing-archive-extra -- x server dies with a SIGSEGV when gnome screen saver blanks the display https://bugs.launchpad.net/bugs/383129 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
