I used grub-install --recheck and it totally removed my /boot/grub/device.map. Then, I re-ran "sudo dpkg-reconfigure grub-pc" and re-confirmed all 4 drives, which it installed grub on top as normal. On reboot, grub was happy. \o/
I'll leave the bug status open for the "fix up automatically" part of the issue. Thanks! ** Summary changed: - fails to read disk partitions + bad device.map can confused grub (fails to read disk partitions at boot) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/690030 Title: bad device.map can confused grub (fails to read disk partitions at boot) -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
