linux-kernel - Re: Stardom SATA HSM violation

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Date:	Wed, 05 Sep 2007 19:03:42 -0400
From:	Mark Lord <liml@....ca>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	htejun@...il.com, michal.k.k.piotrowski@...il.com,
	bryan@...ores.ca, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: Stardom SATA HSM violation

Andrew Morton wrote:
>..
> Hey, we just found something which doesn't crash my Vaio!
> 
> sony:/home/akpm/hdparm-7.7> 0 ./hdparm --drq-hsm-error /dev/sda
> 
> /dev/sda:
>  triggering "stuck DRQ" host state machine error
> do_drq_hsm_error: Success
> ata status=0x58 ata error=0x00
> 
> ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> ata3.00: cmd ec/00:00:00:00:00/00:00:00:00:00/40 tag 0 cdb 0x0 data 0 
>          res 58/00:01:00:00:00/00:00:00:00:00/40 Emask 0x2 (HSM violation)
> ata3: soft resetting port
> ata3.00: configured for UDMA/100
> ata3: EH complete
> sd 2:0:0:0: [sda] 195371568 512-byte hardware sectors (100030 MB)
> sd 2:0:0:0: [sda] Write Protect is off
> sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00
> sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> 
> How dull. (ata_piix)

:)

On my two very similar notebooks, it crashes libata when a PATA drive is used
behind a Marvell converter chip, but not when a SATA drive is used directly.

Cheers
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