On Oneiric 11.10 , Gnome 3.2.1 SINCE kernel 3.0.0.26: regression. USB key mounted and readable but with root rights, so unable to umount or suppress any file. Solution : uninstall "usbmount" package.
On Oneiric 11.10 , Gnome 3.2.1 SINCE kernel 3.0.0.26: regression. USB key mounted and readable but with root rights, so unable to umount or suppress any file.
Solution : uninstall "usbmount" package.