just got the following kernel panic when the USB hard drive I was copying from at the time ran out of batteries and powered off:
umass0: ARCHOS ARCHOS USB2.0 (P4a), rev 2.00/11.01, addr 2
umass0: BBB reset failed, TIMEOUT
da1 at umass-sim0 bus 0 target 0 lun 0
da1: <HITACHI_ DK23DA-20 00J2> Fixed Direct Access SCSI-0 device
da1: 1.000MB/s transfers
da1: 19077MB (39070080 512 byte sectors: 255H 63S/T 2432C)
umass0: BBB reset failed, IOERROR
umass0: BBB bulk-in clear stall failed, IOERROR
umass0: BBB bulk-out clear stall failed, IOERROR
umass0: at uhub2 port 2 (addr 2) disconnected
(da1:umass-sim0:0:0:0): lost device
umass0: detached
Fatal trap 12: page fault while in kernel mode
cpuid = 3; lapic.id = 03000000
fault virtual address = 0x72
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc02c6417
stack pointer = 0x10:0xe910c9bc
frame pointer = 0x10:0xe910c9d4
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 35 (usb1)
kernel: type 12 trap, code=0
Stopped at vm_object_pip_add+0x37: movzwl 0x72(%esi),%eax
db> trace
vm_object_pip_add(0,1,1,e910ca98,e910ca88) at vm_object_pip_add+0x37
vm_fault(c082f000,deadc000,1,0,c63b60f0) at vm_fault+0x169
trap_pfault(e910cb80,0,deadc10a,51e,deadc10a) at trap_pfault+0x1b6
trap(18,c0370010,c0370010,0,caac6d00) at trap+0x3e5
calltrap() at calltrap+0x5
--- trap 0xc, eip = 0xc01cddc7, esp = 0xe910cbc0, ebp = 0xe910cbfc ---
device_get_nameunit(caac6800,caac6d00,6,0,caac683c) at device_get_nameunit+0x7
usb_transfer_complete(caac6800,2,caac6864,e910cc58) at usb_transfer_complete+0x133
uhci_abort_xfer(caac6800,6,e910cc68,c0180b39,caac6800) at uhci_abort_xfer+0x99
uhci_device_ctrl_abort(caac6800,ca771d80,e910cc74,c01807e1,ca771d80) at uhci_device_ctrl_abort+0x19
usbd_ar_pipe(ca771d80,e910cc88,c017f4a4,ca771d80,e910cca4) at usbd_ar_pipe+0x29
usbd_abort_pipe(ca771d80,e910cca4,c790e680,e910cca4,c017ffa8) at usbd_abort_pipe+0x11
usbd_kill_pipe(ca771d80,c63b00f0,c790e680,c62844c0,2) at usbd_kill_pipe+0x14
usb_free_device(c790e680,c6284500,11,0,0) at usb_free_device+0xa8
uhub_explore(c6284600,c6162820,e910cd0c,c017d7e8,c6162820) at uhub_explore+0x259
usb_discover(c6162820,0,5c,c03400f0,1770) at usb_discover+0x3a
usb_event_thread(c6162820,e910cd48,c0345a83,35f,0) at usb_event_thread+0x68
fork_exit(c017d780,c6162820,e910cd48) at fork_exit+0xa9
fork_trampoline() at fork_trampoline+0x1a
--- trap 0x1, eip = 0, esp = 0xe910cd7c, ebp = 0 ---
--
Lars Eggert <[EMAIL PROTECTED]> USC Information Sciences Institute
smime.p7s
Description: S/MIME Cryptographic Signature
