This sounds rather similar to bug 43154, "freezes with 3D applications on VIA Unichrome K8M800, KM400" which occurs with apps that use 3D. The root cause of the bug appears to deal with IRQ's. There are a number of workarounds suggested on that bug, that someone may wish to test for this bug too.
-- [feisty] f-spot and system inputs freeze when using xorg via-/unichrome-driver https://bugs.launchpad.net/bugs/89467 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
