Related and similar issue with PCI graphic cards (not AGP ones): https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1902795
While PCI graphic cards are broken on AMD K8/K10 platform for years (I've reproduced on Linux 4.4, 4.8 and 4.15 from Ubuntu 16.04 Xenial), AGP cards started to break on Ubuntu with 5.4.0-48-generic (was still working with 5.4.0-47-generic). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1899304 Title: Linux 5.4.0-48 (and later) causes GPU lockup, huge performance drop, makes GNOME desktop fail to start and games going from 70fps to 7fps, slow file loading, audio issues To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1899304/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs