memoria usb

[resiete no tengo]

Hola.
Al formatear un pendrive con linux mint me ha salido esto.

 "address@hidden ~ $ sudo gnome-format

(gnome-format:2994): Gtk-WARNING **: Ignoring the separator setting

(gnome-format:2994): Gtk-WARNING **: Ignoring the separator setting

(gnome-format:2994): Gtk-WARNING **: No object called:
Error: Error opening /dev/sdc: No medium found
Backtrace has 20 calls on stack:
  20: /lib/i386-linux-gnu/libparted.so.0(ped_assert+0x29) [0xc28b39]
  19: /lib/i386-linux-gnu/libparted.so.0(+0x11b03) [0xc30b03]
  18: gnome-format(gnome_format_create_partition_2+0x31) [0x804da21]
  17: gnome-format(gnome_format_format_dialog_on_final_format_button_clicked+0x8f) [0x804bbbf]
  16: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOIDv+0x33) [0xa4b243]
  15: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(+0xd727) [0xa49727]
  14: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(g_signal_emit_valist+0x449) [0xa62a29]
  13: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(g_signal_emit+0x33) [0xa63453]
  12: /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0(gtk_button_clicked+0x8a) [0x31721a]
  11: /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0(+0x7a630) [0x318630]
  10: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOIDv+0x33) [0xa4b243]
  9: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(+0xbdb7) [0xa47db7]
  8: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(+0xd66d) [0xa4966d]
  7: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(g_signal_emit_valist+0x449) [0xa62a29]
  6: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(g_signal_emit+0x33) [0xa63453]
  5: /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0(gtk_button_released+0x8a) [0x31713a]
  4: /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0(+0x79184) [0x317184]
  3: /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0(+0x1388a2) [0x3d68a2]
  2: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(+0xc2fd) [0xa482fd]
  1: /usr/lib/i386-linux-gnu/libgobject-2.0.so.0(g_closure_invoke+0xd2) [0xa493d2]
A bug has been detected in GNU Parted.  Refer to the web site of parted http://www.gnu.org/software/parted/parted.html for more information of what could be useful for bug submitting!  Please email a bug report to address@hidden containing at least the version (2.3) and the following message:  Assertion (dev != NULL) at ../../libparted/disk.c:185 in function ped_disk_new() failed."

Y como venia este correo lo en vio por si sirve para algo.

Tiene solucion?
Gracias.
Un saludo.