Apparently this bug causes Precise installation to freeze : ubiquity needs os-prober to detect partitions and other OSes. And os-prober calls grub-mount which hangs if an hfs+ partition exists.
See : http://ubuntuforums.org/showthread.php?t=1966261 or : http://forum.ubuntu-fr.org/viewtopic.php?id=897031 (in french). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/988583 Title: grub-mount hangs when update-grub is ran To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/988583/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs