linux-kernel - Re: [git patches] libata ACPI support

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Message-ID: <20070221113923.GA5143@mail.muni.cz>
Date:	Wed, 21 Feb 2007 12:39:23 +0100
From:	Lukas Hejtmanek <xhejtman@...l.muni.cz>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	linux-kernel@...r.kernel.org,
	IDE/ATA development list <linux-ide@...r.kernel.org>
Subject: Re: [git patches] libata ACPI support

On Tue, Feb 20, 2007 at 06:49:17PM -0500, Jeff Garzik wrote:
> Can you narrow down the -gitX release further?  i.e. does 2.6.20-git13 
> perform at full speed?  -git13 includes several libata changes, but does 
> not include the ACPI additions.
> 
> Since this is an ACPI execution error in the bug, that would tend to 
> point to bad BIOS tables.  But since there is a performance drop that 
> does not disappear with acpi=off, there might also be another factor, 
> unrelated to ACPI, at play here.

I have found that the issue is between git12 and git13.

I have also found another issue, not sure whether it is also presented by
git13, however in git15, IDE interrupts are no more unmasked. 

-- 
Lukáš Hejtmánek
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