I had added i915.enable_gvt=1 intel_iommu=on on the kernel commandline to enable Intel GVT-g, and connected an external monitor (with USB devices attached, and supplying power to the laptop) via USB C.
It _seems_ that dropping the options makes it stable again, unless there were some more unrelated changes during the reboot, or I just did not hit it yet (though that seems unlikely). -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1822854 Title: External monitor turns off for short period of times / until moving mouse To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1822854/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
