usb oops in 2.6.13-rc6-mm2

Hi, usbcore: deregistering driver usb-storage usb 1-1: USB disconnect, address 3 Unable to handle kernel NULL pointer dereference at RIP: {_spin_lock+0} PGD 1c303067 PUD 1c304067 PMD 0 Oops: 0002 [1] SMP CPU 0 Modules linked in: nls_iso8859_1 nls_cp437 vfat fat nls_base

usb oops in 2.6.13-rc6-mm2

Hi, usbcore: deregistering driver usb-storage usb 1-1: USB disconnect, address 3 Unable to handle kernel NULL pointer dereference at RIP: 803cf140{_spin_lock+0} PGD 1c303067 PUD 1c304067 PMD 0 Oops: 0002 [1] SMP CPU 0 Modules linked in: nls_iso8859_1 nls_cp437 vfat