linux-kernel - Re: [1/2] 2.6.22-rc6: known regressions v2

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Date:	Fri, 29 Jun 2007 19:06:02 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Rodrigo Luiz <troops.of.doom@...il.com>,
	alsa-devel@...a-project.org, Takashi Iwai <tiwai@...e.de>,
	Jaroslav Kysela <perex@...e.cz>,
	Ben Collins <bcollins@...ntu.com>,
	reiserfs-devel@...r.kernel.org,
	"Vladimir V. Saveliev" <vs@...esys.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	linux-ide@...r.kernel.org, David Chinner <dgc@....com>,
	Jeff Garzik <jeff@...zik.org>, Tejun Heo <htejun@...il.com>,
	Rodney Gordon II <meff@...erevision.org>
Subject: Re: [1/2] 2.6.22-rc6: known regressions v2

> > I'm not even sure this report is IT8212 related rather than just an IRQ
> > storm
> 
> Why does the driver report "irq 0"?
> 
> ata7: PATA max UDMA/133 cmd <blah> ctl <blah> bmdma <blah> irq 0  <====
> 
> Above that, the ACPI layer says it assigned IRQ 20

Because the libata core code in 2.6.22rc6 reports all the ports and IRQ
values wrongly ?

Alan
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