I have the same bug with two machines that are using RAID1. As a temporary fix I've deleted the grub.cfg and run dpkg-reconfigure grub-pc from time to time.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1163086 Title: os-prober created a 11.6 MB grub.cfg file impossible to boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1163086/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
