Also happens to me, since the 24.04 upgrade on a System76 LemurPro9. It has an CometLake-U GT2 [UHD Graphics] (rev 02) graphics card and I'm using an external screen through USB-C. I'll attach logs once I capture them.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2066268 Title: Sometimes screen flashes black, probably a driver issue? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2066268/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
