Description of problem:
Loading firewire modules (ohci1394, ieee1394, sbp2) results in the
following stack trace in /var/log/messages and failed detection of the
device

Oct  9 09:46:10 thwalker kernel: ohci1394: $Rev: 1223 $ Ben Collins
<bcollins>
Oct  9 09:46:10 thwalker kernel: ACPI: PCI interrupt 0000:00:0a.0[A]
-> GSI 18 (level, low) -> IRQ 169
Oct  9 09:46:10 thwalker kernel: ohci1394: fw-host0: Unexpected PCI
resource length of 1000!
Oct  9 09:46:10 thwalker kernel: ohci1394: fw-host0: OHCI-1394 1.1
(PCI): IRQ=[169]  MMIO=[e2000000-e20007ff]  Max Packet=[2048]
Oct  9 09:46:11 thwalker kernel: Badness in ohci_hw_csr_reg at
drivers/ieee1394/ohci1394.c:3154
Oct  9 09:46:11 thwalker kernel:
Oct  9 09:46:11 thwalker kernel: Call Trace:<IRQ>
<ffffffffa07ab9c1>{:ohci1394:ohci_hw_csr_reg+124}
<ffffffffa00d5ece>{:ieee1394:host_reset+106}
Oct  9 09:46:11 thwalker kernel:       
<ffffffffa00d5a49>{:ieee1394:highlevel_host_reset+47}
Oct  9 09:46:11 thwalker kernel:       
<ffffffffa07aa896>{:ohci1394:ohci_irq_handler+2691}
Oct  9 09:46:11 thwalker kernel:       
<ffffffff80114440>{handle_IRQ_event+43} <ffffffff801148bb>{do_IRQ+402}
Oct  9 09:46:11 thwalker kernel:       
<ffffffff801120f3>{ret_from_intr+0}  <EOI>
<ffffffffa07a7439>{:ohci1394:set_phy_reg+534}
Oct  9 09:46:11 thwalker kernel:       
<ffffffffa07a824a>{:ohci1394:ohci_devctl+212}
<ffffffffa00d4964>{:ieee1394:delayed_reset_bus+0}
Oct  9 09:46:11 thwalker kernel:       
<ffffffffa00d2120>{:ieee1394:hpsb_reset_bus+24}
<ffffffff8014d3c8>{worker_thread+634}
Oct  9 09:46:11 thwalker kernel:       
<ffffffff80133e9e>{default_wake_function+0}
<ffffffff80133e9e>{default_wake_function+0}
Oct  9 09:46:11 thwalker kernel:       
<ffffffff8014d14e>{worker_thread+0} <ffffffff8014d14e>{worker_thread+0}
Oct  9 09:46:11 thwalker kernel:       
<ffffffff8015305e>{kthread+119} <ffffffff801125d7>{child_rip+8}
Oct  9 09:46:11 thwalker kernel:       
<ffffffff8014d14e>{worker_thread+0} <ffffffff80152fe7>{kthread+0}
Oct  9 09:46:11 thwalker kernel:        <ffffffff801125cf>{child_rip+0}
Oct  9 09:46:12 thwalker ieee1394.agent[25599]: ... no drivers for
IEEE1394 product 0x/0x/0x
Oct  9 09:46:12 thwalker ieee1394.agent[25585]: ... no drivers for
IEEE1394 product 0x/0x/0x

Devices in question:
20GB Ipod (3rd gen)
00:0a.0 FireWire (IEEE 1394): NEC Corporation IEEE 1394 Host
Controllerkernel-2.6.8-1.521 (rev 01) (from lspci)

Version-Release number of selected component (if applicable):
kernel-2.6.8-1.521

How reproducible:
modprobe ohci1394 ieee1394 sbp2
check the logs


Actual results:
stack trace in messages
device not recognized

Expected results:
device will be recognized

Additional info: