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    SubjectRe: nobody cared about IRQ 19 (firewire, on a HP 2510p notebook)
    Date
    On Sunday 30 March 2008 01:40:45 pm Stefan Richter wrote:
    > 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.

    Its also known to work with the juju firewire stack -- that's the controller
    in my own laptop, as well as a few other folks here in the office, all
    running the new stack.



    --
    Jarod Wilson
    jwilson@redhat.com


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