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From: Tejun Heo <tj@kernel.org>
To: Yan Seiner <yan@seiner.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: Backplane mystery
Date: Mon, 02 Mar 2009 17:46:14 +0900	[thread overview]
Message-ID: <49AB9CD6.1060404@kernel.org> (raw)
In-Reply-To: <49A8093A.1030401@seiner.com>

Yan Seiner wrote:
> [   82.533526] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
> [   82.533606] ata3: link online but device misclassified, retrying
> [   82.533686] ata3: reset failed (errno=-11), retrying in 9 secs
> 
> Is there some way to be more forceful with the reset?  I suspect one of
> the port multiplier boards is bad at this point.  Is there some way to
> force a hard reset from user space?  What can I from userspace short of
> hitting the thing with a hammer?

ATA already uses hardreset.  You can trigger it by echoing "- - -" to
/sys/class/scsi_host/hostN/scan but I doubt it would do any good.  :-(

-- 
tejun

      reply	other threads:[~2009-03-02  8:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-26 15:24 Backplane mystery Yan Seiner
2009-02-26 15:34 ` Mark Lord
2009-02-27 15:39   ` Yan Seiner
2009-03-02  8:46     ` Tejun Heo [this message]

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