Thanks for the bug report. While the problem is happening please run: gsettings list-recursively org.gnome.shell > settings.txt journalctl -b0 > journal.txt
and attach the resulting text files here. ** Package changed: xorg (Ubuntu) => firefox (Ubuntu) ** Changed in: firefox (Ubuntu) Status: New => Incomplete ** Tags added: nvidia ** Summary changed: - firefox is flashing + [nvidia] firefox is flashing -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1971221 Title: [nvidia] firefox is flashing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1971221/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp