linux-kernel - Re: 2.6.19-rc5 x86_64 irq 22: nobody cared

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Date:	Thu, 09 Nov 2006 11:38:48 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Olivier Nicolas <olivn@...llprod.org>,
	Stephen Hemminger <shemminger@...l.org>,
	Jaroslav Kysela <perex@...e.cz>, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, gregkh@...e.de,
	linux-pci@...ey.karlin.mff.cuni.cz, len.brown@...el.com,
	linux-acpi@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andrew Morton <akpm@...l.org>,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: 2.6.19-rc5 x86_64  irq 22: nobody cared

At Thu, 9 Nov 2006 07:49:56 +0100,
Adrian Bunk wrote:
> 
> On Wed, Nov 08, 2006 at 01:44:29PM +0100, Olivier Nicolas wrote:
> 
> > Hi,
> 
> Hi Olivier,
> 
> > 2.6.19-rc5 does not boot properly, I have tried pci=routeirq, irpoll 
> > without success.
> > 
> > Full details (.config, dmesg, /proc/interrupts) are in 
> > http://olivn.trollprod.org/2.6.19-rc5-irq.tar.gz
> 
> thanks for your report!
> 
> I might be wrong, but looking at the dmesg:
> - irq 22 is the hda_intel IRQ
> - the "irq 22: nobody cared" is immediately before the
>   "hda_intel: No response from codec, disabling MSI..."
> - in the routeirq case, the hda_intel IRQ as well as the
>   IRQ in the error message change to 21
> 
> So it might be related to the hda_intel MSI check.

To disable MSI from the beginning, set disable_msi=1 module option for
snd-hda-intel.


Takashi
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