linux-kernel - Re: 2.6.24-rc4-git5: Reported regressions from 2.6.23

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Message-Id: <20071208013631.3147986a.akpm@linux-foundation.org>
Date:	Sat, 8 Dec 2007 01:36:31 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, linux-ide@...r.kernel.org,
	Tejun Heo <htejun@...il.com>
Subject: Re: 2.6.24-rc4-git5: Reported regressions from 2.6.23

On Sat, 8 Dec 2007 03:40:49 +0100 "Rafael J. Wysocki" <rjw@...k.pl> wrote:

> This message contains a list of some regressions from 2.6.23 which have been
> reported since 2.6.24-rc1 was released and for which there are no fixes in the
> mainline that I know of.  If any of them have been fixed already, please let me
> know.
> 
> If you know of any other unresolved regressions from 2.6.23, please let me know
> either and I'll add them to the list.
> 
> 
> Subject		: PATA scan: ACPI Exception AE_AML_PACKAGE_LIMIT... is beyond end of object
> Submitter	: Hans de Bruin <bruinjm@...all.nl>
> References	: http://bugzilla.kernel.org/show_bug.cgi?id=9320
> Handled-By	: Robert Moore <Robert.Moore@...el.com>
> 		  Tejun Heo <htejun@...il.com>
> 		  Fu Michael <michael.fu@...el.com>
> Patch		: 
> 

A number of other people are seeing the same thing and Tejun is putting in
a blacklist of machines which cannot use libata+acpi.  That patch is not
yet in any git tree which I pull.

AFACIT the machines kepe working OK - there's just some nasty dmesg spew.

If any machines _are_ breaking then this could cause real problems and I'd
prefer that we either go for a whitelist or arrange to detect the condition
and fall back to non-acpi ata.

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