Here's a partial dmesg log from a locked screen to the hang with drm:debug=0xe.
** Attachment added: "dmesg_drm_debug.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1689651/+attachment/4874740/+files/dmesg_drm_debug.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1689651 Title: vblank wait timed out on crtc 0 after screen lock on Dell Latitude e6220 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1689651/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
