This problem is only reproducible when the monitor is attached to the Caldigit Thunderbolt hub. If the monitor is attached directly to the laptop this problem does NOT manifest.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1884001 Title: [Ice Lake] External 4k monitor periodically shows black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1884001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
