For Ubuntu Focal the dkms package is not required as the driver is supplied in the kernel package. I recommend removing zfs-dkms to avoid this happening in the future.
** Changed in: zfs-linux (Ubuntu) Importance: Undecided => Low ** Changed in: zfs-linux (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1873198 Title: package zfs-dkms 0.8.3-1ubuntu12 failed to install/upgrade: installed zfs-dkms package post-installation script subprocess returned error exit status 10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1873198/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs