I've done some additional testing, and after issuing 'echo "2 0 0 0 0 0 0 0" > /sys/kernel/debug/dri/0/i915_pri_wm_latency' I ran for over 2 hours without any freeze, and I tried to provoke the error by switching resolution and screen layout several times.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1727662 Title: [Lenovo ThinkPad T450s] Issues after docking and locking To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1727662/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
