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From: Tejun Heo <htejun@gmail.com>
To: Jim Paris <jim@jtan.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: Disk stuck in error recovery loop with AHCI
Date: Sat, 24 Feb 2007 13:22:50 +0900	[thread overview]
Message-ID: <45DFBD9A.6090204@gmail.com> (raw)
In-Reply-To: <20070223072826.GA2763@jim.sh>

Jim Paris wrote:
> Still, it seems that some improvements could be made to the EH when
> this sort of thing happens.  For example, after "speed down requested
> but no transfer mode left" a few times in a row, maybe it would make
> sense to just fail the disk and give up.  That would have allowed
> higher layers like MD to recover.

That's SD retrying sector-by-sector a large request as libata doesn't
report proper failed sector info.  Please try 2.6.20.  md will fail the
drive after a few errors.

Patches to improve EH behavior further went into 2.6.21 devel tree and
some are pending.

Thanks.

-- 
tejun

  reply	other threads:[~2007-02-24  4:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-21  5:20 Disk stuck in error recovery loop with AHCI Jim Paris
2007-02-23  7:28 ` Jim Paris
2007-02-24  4:22   ` Tejun Heo [this message]
2007-02-24  8:00     ` Jim Paris

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