I downgraded to 20.04 kernel (5.4.x) and I am still getting the black flashes.
BTW, the journal seems to expose the username, so you should warn about that before requesting it. ** Attachment added: "journal.txt" https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1915014/+attachment/5463815/+files/journal.txt -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1915014 Title: [amdgpu] [wayland] Screen goes occasionally black after taking a screenshot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1915014/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs