Both of your logs show a lot of these errors with gnome-shell: Feb 16 17:03:55 panther kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000012 [RT_LINEAR_WITH_ZETA] Feb 16 17:03:55 panther kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 3 [003fa80000 gnome-shell[1816]]
Can you try booting with "nouveau.config=NvMXMDCB=0" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2097566 Title: Black screen with nouveau after system update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2097566/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs