linux-kernel - Re: [PATCH] libata: add Samsung HD401LJ to the NCQ blacklist

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Message-id: <46262CC9.7080909@shaw.ca>
Date:	Wed, 18 Apr 2007 08:35:53 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	max@...mpel.org
Subject: Re: [PATCH] libata: add Samsung HD401LJ to the NCQ blacklist

Max Kellermann wrote:
> Yet another hard drive which doesn't seem to get NCQ right.
> 
>  ata1: EH in ADMA mode, notifier 0x0 notifier_error 0x0 gen_ctl
>  0x1501000 status 0x400 next cpb count 0xB next cpb idx 0x0
>  [...]
>  ata1: timeout waiting for ADMA IDLE, stat=0x400
>  ata1: timeout waiting for ADMA LEGACY, stat=0x400
>  ata1.00: exception Emask 0x0 SAct 0x3fff SErr 0x200000 action 0x2
>  frozen
>  [...]
>  ata1: soft resetting port

Don't know if I noticed this before, but the controller seems to be 
reporting an SError, looks like a link layer CRC error. This could be a 
potential symptom of the drive and controller just not getting along, 
but you might want to try a different SATA cable as well.

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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