Hi, I have switched from Gnome to i3, this fixed the issue for me.
The underlying issue might have been fixed by https://cgit.freedesktop.org/drm- tip/commit/?id=3cf71bc9904d7ee4a25a822c5dcb54c7804ea388, but I didn't check. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1799920 Title: External Dell P2715Q doesn't wake up from standby anymore after 18.04 -> 18.10 upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1799920/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs