linux-kernel - Re: [PATCH] HPA support: Revised patch

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Date:	Mon, 09 Apr 2007 17:55:15 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Matthew Garrett <mjg59@...f.ucam.org>, akpm@...l.org,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	kyle@...onical.com
Subject: Re: [PATCH] HPA support: Revised patch

Alan Cox wrote:
> On Fri, 6 Apr 2007 17:37:07 +0100
> Matthew Garrett <mjg59@...f.ucam.org> wrote:
> 
>> On Thu, Apr 05, 2007 at 02:13:52PM +0100, Alan Cox wrote:
>>> This one should fix the problems with slave devices and the Macintosh hang
>> Better, but still not happy with ata_piix - I get the following:
>>
>> [   10.972000] ata3.01: ata_hpa_resize 1: sectors = 234441648, hpa_sectors = 16337840
>> [   10.972000] ata3.01: ATA-8: FUJITSU MHW2120BH, 00810013, max UDMA/100
>> [   10.972000] ata3.01: 234441648 sectors, multi 16: LBA48 NCQ (depth 0/32)
>> [   10.980000] ata3.01: ata_hpa_resize 1: sectors = 234441648, hpa_sectors = -1342616656
>> [   10.980000] ata3.01: Host Protected Area detected:
>> [   10.980000] 	current size: 234441648 sectors
>> [   10.980000] 	native size: -1342616656 sectors
>>                              ^^^^^^^^^^^!?!?!?!?!?!?!?
>>
>> so I'm not especially keen on letting it reprogram stuff. With ahci it 
>> works fine. Still on a Macbook Pro - fuller logs below.
> 
> Please apply Tejun's fix for LBA48 data and try again. Hopefully its just
> that which is causing the problem.
> 

This?

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=4742d54fa4b391342dfb8f34de14d51da101fb39

    2.6.21 fix lba48 bug in libata fill_result_tf()

Looks like 2.6.20 material as well.
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