This has *just* had a fix committed upstream and is hoped to be available in v5.0. Could we get it backported to the LTS kernels?
commit ed20151a7699bb2c77eba3610199789a126940c4 Author: Ville Syrjälä <ville.syrj...@linux.intel.com> Date: Tue Nov 27 20:20:04 2018 +0200 drm/vblank: Allow dynamic per-crtc max_vblank_count commit 32db0b6501d97b09e92e70caefc74fa35aa9a8d6 Author: Ville Syrjälä <ville.syrj...@linux.intel.com> Date: Tue Nov 27 22:05:50 2018 +0200 drm/i915: Don't try to use the hardware frame counter with i965gm TV output -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1542939 Title: system freeze after vt switching To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1542939/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs