This machine is a frankenstien to help debug the issues with my main workstation. I need to upgrade but dual GPU is horribly broken on across all flavors and even non-Ubuntu/Debian distros.
I was explicitly testing how the system functions with no xorg.conf between 2 separate GPU's. Yes the nVidia GPU is ancient and too old for the proprietary drivers. Again just what I had on hand to simulate dual GPU's for testing so I don't have to butcher my workstation while I test. However despite the age of the nVidia GPU this nouveau issue persists on newer cards as well. Workstation has two "modern" GTX 1XXX series cards but the problems are the same. Compositors don't draw at all or incorrectly to anything on another XScreen or GPU which brings me to your disable the old GPU comment. The point is to use the hardware, not lose it. I've found a ton of problems in things moving forward and am looking for a solution rather than "Hey just throw one GPU and all it's screens in the trash because somethings broken in software." Ultimately this issue affects modern dual GPU systems as well as matched brand cards. Things work in 18.04, everything breaks moving to 20.04/21.04. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1942738 Title: XOrg / nouveau - hard lockups and does not draw to screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1942738/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

