I'm getting about the same in a T460p (still skylake). After applying these patches I don't see the lockup anymore:
https://bugzilla.kernel.org/attachment.cgi?id=209371 http://comments.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/71377 (both patches attached) https://patchwork.freedesktop.org/patch/68712/ However, HDMI still doesn't work properly here, and I'm still getting these errors: snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force 128 snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1567425 Title: *ERROR* Timed out waiting for DP idle patterns / drm_wait_one_vblank+0x1b5/0x1c0 [drm] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1567425/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs