linux-kernel - Re: Hitachi disk: spurious completions during NCQ

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Message-ID: <68676e00710150247s23d06db2sdb17af6fafdc4b77@mail.gmail.com>
Date:	Mon, 15 Oct 2007 11:47:20 +0200
From:	Luca <kronos.it@...il.com>
To:	"Don Mullis" <dwm@...r.net>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: Hitachi disk: spurious completions during NCQ

On 10/15/07, Don Mullis <dwm@...r.net> wrote:
>
> > ata3.00: spurious completions during NCQ issue=0x0 SAct=0x407fd FIS=005040a1:00020000
> > ata3.00: cmd 61/08:00:c7:5a:82/00:00:1b:00:00/40 tag 0 cdb 0x0 data 4096 out
> >          res 50/00:10:07:5b:82/00:00:1b:00:00/40 Emask 0x2 (HSM violation)
>
>
> This has been seen with several Hitachi drives.  There's speculation
> that it's due to a bug in the drive firmware:

Yes, I'm aware of this. That's why I was suggesting to blacklist this drive.

thanks,
Luca
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