linux-kernel - Re: [2/3] 2.6.23-rc1: known regressions v3

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Date:	Tue, 31 Jul 2007 08:07:55 +0400
From:	Alexey Starikovskiy <aystarik@...il.com>
To:	Meelis Roos <mroos@...ux.ee>
CC:	Ismail Dönmez <ismail@...dus.org.tr>,
	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>, Len Brown <lenb@...nel.org>,
	linux-acpi@...r.kernel.org
Subject: Re: [2/3] 2.6.23-rc1: known regressions v3

Meelis Roos wrote:
>>> Subject         : New ACPI error/warning with Linus' latest GIT
>>> References      : http://lkml.org/lkml/2007/7/26/395
>>> Last known good : ?
>>> Submitter       : Ismail Dönmez <ismail@...dus.org.tr>
>>> Caused-By       : ?
>>> Handled-By      : ?
>>> Status          : unknown
>> This started to happen after the second ACPI merge which was for 2.6.23-rc2.
> 
> It appeared after new Embedded Controller code was merged into ACPI. It 
> might as well be just a debug message or a remainder to add support for 
> new queries (whatever these are), but I do not know. The message itself 
> seems harmless.
> 
This _is_ a debug message. EC asks us to perform query which was never defined in DSDT.
Previously I thought it would be rare error report, but now it seems that every machine
has at least one unregistered query... It is not a functional regression, as we just 
ignored errors from query execution before.

Len already has a patch to remove this printk.

Regards,
	Alex.
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