glxinfo output is attached. I'm not routinely running anything that needs acceleration. I'm a musician/programmer so primarily audio and code, not even games come to think of it. I did do some work in Blender over a year ago, but I only used this machine for extra rendering work (using the CPU, not the GPU). I just fired it up again and it's behaving properly, though I've no idea whether it's using acceleration.
By the way, the Software Update package is reporting that a new version of Google Chrome is available. Would it be helpful if I held off updating it until you've got to the bottom of this. Or shall I go ahead and check behaviour in the latest version? B ** Attachment added: "glxinfo.txt" https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1899270/+attachment/5425588/+files/glxinfo.txt -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/1899270 Title: Chrome on Ubuntu, press F11 for full screen and the message flashes continuously Status in chromium-browser package in Ubuntu: Confirmed Bug description: After pressing F11 there's a text box at the top of the screen with the message Press F11 to Exit, etc. Usually this goes away by itself after a few seconds. Now it flashes continuously and won't clear. Pressing F11 again quits full screen mode, but the tab is still flashing in some way and the whole browser is now unstable and not usable. Chrome: Version 86.0.4240.75 (Official Build) (64-bit) System: Ubuntu Studio, Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1899270/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp