With kernel built with b99079a8045a084722a6a33cca3c396634e6d241 (UBUNTU: upstream stable to v4.19.86, v5.3.13) this issue still exists.
A more complete dmesg output could be found in the attachment. ** Attachment added: "disco.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853981/+attachment/5308362/+files/disco.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853981 Title: [Regression] Failed to boot disco kernel built from master-next (kernel kernel NULL pointer dereference) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853981/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs