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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)
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