This may be fixed by dkms 2.3-3ubuntu9 which has just been accepted into bionic-proposed. It may or may not be the cause of your failure. Having once been triggered, however, the fixed dkms package will not automatically fix your upgrade problem.
Please do paste the contents of /var/lib/dkms on your system. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1766338 Title: package shim-signed 1.34.4+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1766338/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs