The following oops has started occuring since the addition of the SanDisk Module. May 9 10:05:11 localhost kernel: hub.c: USB hub found May 9 10:05:11 localhost kernel: hub.c: 2 ports detected May 9 10:05:11 localhost kernel: usb.c: USB disconnect on device 1 May 9 10:05:11 localhost kernel: usb.c: USB disconnect on device 0 May 9 10:05:11 localhost kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000000c May 9 10:05:11 localhost kernel: printing eip: May 9 10:05:11 localhost kernel: c01f291b May 9 10:05:11 localhost kernel: pgd entry df10c000: 0000000000000000 May 9 10:05:11 localhost kernel: pmd entry df10c000: 0000000000000000 May 9 10:05:11 localhost kernel: ... pmd not present! May 9 10:05:11 localhost kernel: Oops: 0000 May 9 10:05:11 localhost kernel: CPU: 0 May 9 10:05:11 localhost kernel: EIP: 0010:[call_policy+427/608] May 9 10:05:11 localhost kernel: EIP: 0010:[<c01f291b>] May 9 10:05:11 localhost kernel: EFLAGS: 00010246 May 9 10:05:11 localhost kernel: eax: 00000000 ebx: df97eae4 ecx: c0273f1d edx: c0273f1c May 9 10:05:11 localhost kernel: esi: dfffaa60 edi: df094e00 ebp: df97eaa0 esp: df0dbef4 May 9 10:05:11 localhost kernel: ds: 0018 es: 0018 ss: 0018 May 9 10:05:11 localhost kernel: Process modprobe (pid: 223, stackpage=df0db000) May 9 10:05:11 localhost kernel: Stack: 00000008 c0292b20 c0273e6a 00000000 df094e00 df094e40 df094f2c 00000000 May 9 10:05:11 localhost kernel: df094e00 c01f3b8c c02744c7 df094e00 c01f5b6c ffffffff df8c4c04 df8c4cf0 May 9 10:05:11 localhost kernel: df93d760 df8c4c00 c01f3b70 df8c4cf0 00000018 0000000e df97eba0 e1081240 May 9 10:05:11 localhost kernel: Call Trace: [usb_disconnect+252/304] [hub_disconnect+28/128] [usb_disconnect+224/304] [<e1081240>] [<e107fdfa>] May 9 10:05:11 localhost kernel: Call Trace: [<c01f3b8c>] [<c01f5b6c>] [<c01f3b70>] [<e1081240>] [<e107fdfa>] May 9 10:05:11 localhost kernel: [pci_unregister_driver+47/80] [<e107c000>] [<e108032a>] [<e1081240>] [free_module+30/208] [<e107c000>] May 9 10:05:11 localhost kernel: [<c01d973f>] [<e107c000>] [<e108032a>] [<e1081240>] [<c0118dbe>] [<e107c000>] May 9 10:05:11 localhost kernel: [sys_delete_module+306/608] [<e107c000>] [system_call+51/56] May 9 10:05:11 localhost kernel: [<c01181d2>] [<e107c000>] [<c0106e0b>] May 9 10:05:11 localhost kernel: May 9 10:05:11 localhost kernel: Code: 8b 40 0c 8b 50 04 89 5e 20 c7 04 24 09 00 00 00 8b 87 c4 00 May 9 10:05:11 localhost kernel: <3>hub.c: get_port_status(2) failed (err = -19) May 9 10:05:11 localhost kernel: hub.c: get_port_status(2) failed (err = -19) May 9 10:05:11 localhost last message repeated 3 times May 9 10:05:11 localhost kernel: hub.c: Cannot enable port 2 of hub 1, disabling port. May 9 10:05:11 localhost kernel: hub.c: Maybe the USB cable is bad? May 9 10:05:11 localhost kernel: hub.c: cannot disable port 2 of hub 1 (err = -19) May 9 10:05:11 localhost kernel: hub.c: get_hub_status failed I have tested several cables, and also used the SanDisk in Windows and it works fine. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/