Applying the following two cherry-picks to the xenial (Ubuntu-4.4.0-22.39) kernel solves the bug for my hardware,
git cherry-pick 4cd3991 git am 0001-drm-atomic-Remove-drm_atomic_connectors_for_crtc.patch # 14de6c4 does not apply cleanly, so use the attached patch [For the mainline (v4.4.9) kernel, I have not figured out a minimal set of cherry-picks.] ** Patch added: "0001-drm-atomic-Remove-drm_atomic_connectors_for_crtc.patch" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1542939/+attachment/4659364/+files/0001-drm-atomic-Remove-drm_atomic_connectors_for_crtc.patch -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
