There are three possible causes - firmware bug - kernel bug - user error (read-only variables), though why does that give I/O rather than ENOSPACE
I'm going to reassign this one to linux for a check on the kernel side, but I suspect it's a firmware issue. ** Package changed: shim-signed (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1938163 Title: package shim-signed 1.50+15.4-0ubuntu7 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/linux/+bug/1938163/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
