I fixed the problem for my setup. Afterwhile I realized that my system Windows XP partition is on /dev/sdb3, while /dev/sda2 is not bootable. os-prober detected WinXP after mounting windows xp system partition from /dev/sdb3, and grub updated as required.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1660159 Title: os-prober fails to see other installed systems To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1660159/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
