I've patched the default Ubuntu kernel with this: https://patchwork.kernel.org/patch/1985851/ It fixed the kernel bug, but the screen still turns off, and I see this message in the Xorg log:
[ 53686.894] (WW) intel(0): flip queue failed: Device or resource busy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1100138 Title: Screen turned off and Xorg froze due to an intel video driver bug To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1100138/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
