linux-kernel - Re: ATA device reset, shoud I be concerned?

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Message-ID: <20080115113552.75731bf8@lxorguk.ukuu.org.uk>
Date:	Tue, 15 Jan 2008 11:35:52 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Georgi Chulkov <g.chulkov@...obs-university.de>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: ATA device reset, shoud I be concerned?

> > [ 9031.028000] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 
> > frozen
> > [ 9031.028000] ata1.00: cmd c8/00:08:90:ca:ce/00:00:00:00:00/e0 tag 0 cdb 0x0 
> > data 4096 in
> > [ 9031.028000]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 
> > (timeout)

We got bored of waiting for the drive to respond to our request. I still
think we have the timeouts too short or are accounting queue time
somewhere we shouldn't as there a few other examples where we don't allow
long enough for a drive to retry out and fail with a media error on a bad
sector.

Alan
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