Same situation here. Attached xorg log. Happened intermittently when web browsing in Mozilla Firefox. Has been the first time this has happened to me and seems barely reproducible.
** Attachment added: "Xorg.0.log.old" http://launchpadlibrarian.net/50493829/Xorg.0.log.old -- [gm45] Xorg crash - Failed to submit batchbuffer: No space left on device https://bugs.launchpad.net/bugs/542731 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