Same problem here. Some other persons and me discovered, that only nvidia chipsets are affected -> https://bugzilla.gnome.org/show_bug.cgi?id=641873
I will add 3 attachments: 1. udevadm output after plugging in 2. udevadm output after respawning 3. diff I'm sure, that this is an udev issue but it could be a kernel bug too... i think this bug don't exists under lucid (but i'm just able to speak for my pc...) ** Bug watch added: GNOME Bug Tracker #641873 https://bugzilla.gnome.org/show_bug.cgi?id=641873 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/748151 Title: "Safely Remove" USB drive works great, but is remounted immediately -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs