> Martin Michlmayr wrote:
> > * Stefan Richter <stefanr@s5r6.in-berlin.de> [2008-03-30 13:11]:
> >> Martin, please check whether the same happens if you disable
> >> firewire-ohci in the kernel config (or blacklist it in the modprobe
> >> config) and use the ohci1394 driver instead.
> >
> > Yes, I get essentially the same message with the ohci1394 driver:
> >
> > [ 895.455783] irq 19: nobody cared (try booting with the "irqpoll"
> > option) [ 895.455783] Pid: 0, comm: swapper Not tainted 2.6.25-rc7-amd64
> > #1 [ 895.455783]
> > [ 895.455783] Call Trace:
> > [ 895.455783] <IRQ> [<ffffffff88078155>]
> > :ohci1394:ohci_irq_handler+0x4b/0x76e [ 895.455783]
> > [<ffffffff8026c883>] __report_bad_irq+0x30/0x72
> > [ 895.455783] [<ffffffff8026cac2>] note_interrupt+0x1fd/0x23f
> > [ 895.455783] [<ffffffff8026d34f>] handle_fasteoi_irq+0xa5/0xc8
> > [ 895.455783] [<ffffffff8020f53c>] do_IRQ+0x6d/0xd9
> > [ 895.455783] [<ffffffff8020c46d>] ret_from_intr+0x0/0x19
> > [ 895.455783] <EOI> [<ffffffff803a25a4>] menu_reflect+0x0/0x75
> > [ 895.455783] [<ffffffff8800642b>]
> > :processor:acpi_idle_enter_simple+0x18d/0x1fe [ 895.455783]
> > [<ffffffff803a1b2b>] cpuidle_idle_call+0x7a/0xb3 [ 895.455783]
> > [<ffffffff803a1ab1>] cpuidle_idle_call+0x0/0xb3
> > [ 895.455783] [<ffffffff8020b06c>] cpu_idle+0xa9/0xd3
> > [ 895.455783]
> > [ 895.455783] handlers:
> > [ 895.455783] [<ffffffff8807810a>] (ohci_irq_handler+0x0/0x76e
> > [ohci1394]) [ 895.455783] Disabling IRQ #19
> >
> > dmesg is attached.
>
> Thanks.
>
> I tend to believe it is a problem to be addressed in the x86 platform
> support, not a driver problem.
>
> I Cc'd some random x86 folk... To rehash the issue:
>
> - Controller: Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 04)
> Board: PM965/GM965/GL960 based
> The R5C832 is known to work with ohci1394 according to
>
http://hardware4linux.info/component/14348/ and other reports.
