linux-kernel - Re: nobody cared about IRQ 19 (firewire, on a HP 2510p notebook)

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Date:	Sun, 30 Mar 2008 18:13:39 +0200
From:	Martin Michlmayr <tbm@...ius.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	linux1394-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: nobody cared about IRQ 19 (firewire, on a HP 2510p notebook)

* Stefan Richter <stefanr@...6.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.
-- 
Martin Michlmayr
http://www.cyrius.com/

View attachment "dmesg-rc7-ohci" of type "text/plain" (46843 bytes)