I think the key here is the 3D stuff (OpenGL). In my case, what I noticed as the culprit was the screensaver. Once I disabled it, even with power management enabled, putting the monitor to sleep and despite the fact I use a KVM that most of the time is not selected to the Ubuntu machine, I haven't get any X crashes.
-- MASTER: [i845] GPU lockup (apport-crash) (Should KMS be blacklisted?) https://bugs.launchpad.net/bugs/541492 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
