I'm not sure what happened - maybe sda became sdb during a hibernate/sleep cycle?
umount/e2fsck/mount seems to have mounted rw, and I'm now trying the install again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1709554 Title: package linux-image-4.4.0-89-generic (not installed) failed to install/upgrade: unable to clean up mess surrounding './boot/config-4.4.0-89-generic' before installing another version: Read-only file system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1709554/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs