linux-kernel - Re: SC1200 failure in 2.6.23 and 2.6.24-rc1-git10

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Date:	Wed, 07 Nov 2007 17:31:11 -0500
From:	Mark Lord <liml@....ca>
To:	Denys Fedoryshchenko <denys@...p.net.lb>
Cc:	James Andrewartha <jamesa@....com.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	alan@...rguk.ukuu.org.uk, htejun@...il.com
Subject: Re: SC1200 failure in 2.6.23 and 2.6.24-rc1-git10

Denys Fedoryshchenko wrote:
> On Wed, 07 Nov 2007 14:12:55 -0500, Mark Lord wrote
>>> WRAP ~ #./hdparm -I /dev/hda
>>>
>>> /dev/hda:
>>>
>>> ATAPI Write-once device, with non-removable media
>>>         Model Number:       SanDisk SDP3B-16
>>>         Serial Number:      24313671615
>>>         Firmware Revision:  vdd 1.00
>>> Standards:
>>>         Likely used: 3
>>> Configuration:
>>>         DRQ response: 50us.
>>>         Packet size: Unknown
>>> Capabilities:
>>>         LBA, IORDY(may be)(cannot be disabled)
>>>         Buffer size: 1.0kB      bytes avail on r/w long: 4
>>>         DMA: not supported
>>>         PIO: pio0 pio1
>> "ATAPI Write-once device"  ???
>>
>> That cannot be correct (??).  Is this with hdparm-7.7 (latest 
>> sourceforge) ?? Can you show us the "hdparm --Istdout" output as 
>> well, please.
>>
>> thanks.
> Yes latest hdparm-7.7.
...

> WRAP ~ #./hdparm --Istdout /dev/hda
> 
> /dev/hda:
> 844a 01ea 0000 0002 0000 0240 0020 0000
..

CFA spec requires 848a in word[0], not 844a, which explains
why hdparm thought it might be ATAPI.  I've updated my hdparm
source to detect this for hdparm-7.8 (unreleased).
That card (16MB) is definitely buggy.
But your other (1GB) card looks fine.

Thanks.  Somebody else may help with the libata issue.



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