I am experiencing the same bug. it affecet my daily work many times a day, needing hard reebot, or software reboot after switching to a console mode
It happens with unity, unity 2d, and cairo session. I'd like to post the segnalation error, but I don't know how to copy and paste from it..sorry -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/976489 Title: [arrandale] GPU lockup render.IPEHR: 0x02000000 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/976489/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs