I am changing the problem description to "os-prober requires partitions with other operating systems to be mounted to correctly enumerate entries", since this persists on Precise and the workaround is still the same - after mounting my debian and slackware partitions, the entries detected are correct.
** Summary changed: - Following kernel upgrade to 2.6.38-8.42, grub2 generates duplicate entries in the menu + os-prober requires partitions with other operating systems to be mounted to correctly enumerate entries ** Summary changed: - os-prober requires partitions with other operating systems to be mounted to correctly enumerate entries + os-prober requires partitions with other operating systems to be mounted to correctly enumerate entries in grub2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/758887 Title: os-prober requires partitions with other operating systems to be mounted to correctly enumerate entries in grub2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/758887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs