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

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Date:	Thu, 9 Nov 2006 08:49:37 -0800
From:	Stephen Hemminger <shemminger@...l.org>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Olivier Nicolas <olivn@...llprod.org>,
	Takashi Iwai <tiwai@...e.de>, 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

On Thu, 9 Nov 2006 07:49:56 +0100
Adrian Bunk <bunk@...sta.de> 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.

More likely the MSI management routines don't work for disabling MSI.
I am debugging a problem where MSI doesn't work across suspend/resume,
I suspect the base MSI code needs fixing.


-- 
Stephen Hemminger <shemminger@...l.org>
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