It actually seems that the system will respond to sysrq if issued not too long after the screen turns blank. After a few seconds however, it will not respond.
The application switcher seems to be very good at reproducing the crash, which occurs quite often, usually within five minutes of logging in. The machine is completely stable under Unity 2D. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/980017 Title: [i965gm] GPU lockup render.IPEHR: 0x02000004 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/980017/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs