I updated GRUB_CMDLINE_LINUX_DEFAULT. I was able to boot to multiuser mode once (kernel boot log for that is attached, titled "kern.log.debug- successful"). The system locked up shortly after I stashed a copy of that log.
** Attachment added: "Successful boot of 5.8.0-28-generic (which subsequently locked up)" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1904054/+attachment/5434231/+files/kern.log.debug-successful -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1904054 Title: kernel 5.8 general protection fault at boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1904054/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs