Would it be possible for you to test the latest upstream stable kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.13 stable kernel[0].
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.11-ckt13-trusty/ ** Tags added: needs-bisect ** Tags added: kernel-da-key -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1406982 Title: WARNING: CPU: 1 PID: 1253 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x62d/0x780 [i915] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1406982/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
