As I wrote here on Bug #36252, installing hal version 0.5.9-1ubuntu2~feisty1 from backports everything works fine. It changed eject command in nautilus with umount. It fixed both bugs, so I guess bug is one in fact and it's related to nautilus "eject" problem.
-- nautilus, media containing multiple partitions cannot be unmounted (USB connected) https://bugs.launchpad.net/bugs/108643 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs