I've reproduced the original problem then been running proposed kernels in bionic and focal now for at least 2 hours, and problem seems fixed:
root@machine-1:~# uname -r 4.15.0-176-generic root@machine-1:~# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=18.04 DISTRIB_CODENAME=bionic DISTRIB_DESCRIPTION="Ubuntu 18.04.6 LTS" root@machine-1:~# 5.4.0-108-generic root@machine-2:~# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=20.04 DISTRIB_CODENAME=focal DISTRIB_DESCRIPTION="Ubuntu 20.04.4 LTS" root@machine-2:~# Marking as verified in bionic - should we be doing so in focal too? ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1965723 Title: audit: improve audit queue handling when "audit=1" on cmdline To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1965723/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs