From: Jeff Garzik <jeff@garzik.org>
To: Mark Lord <liml@rtr.ca>
Cc: Tejun Heo <htejun@gmail.com>, Andi Kleen <andi@firstfloor.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
IDE/ATA development list <linux-ide@vger.kernel.org>,
ric@emc.com
Subject: Re: Analysis of EH on Andi's dying disk and stuff to discuss about
Date: Sat, 29 Mar 2008 17:12:20 -0400 [thread overview]
Message-ID: <47EEB0B4.2050808@garzik.org> (raw)
In-Reply-To: <47EEAC3F.2070004@rtr.ca>
Mark Lord wrote:
> Tejun Heo wrote:
> ..
>
>> So, to handle the common cases better, libata EH times out resets
>> quickly. The first two tries are 10 seconds each and most devices
>> get reset properly before it hits the end of the second reset try
>> even if it needs to spin up. What takes the longest is the third
> ..
>
> I think that 10 seconds timeout is just *slightly* too short.
> There are drives here somewhere, that always fail the first attempt
> because they take about 12 seconds to spin-up and begin communicating.
Also, ATAPI sometimes takes quite a while to respond, I've seen, when
media is in the driver.
Jeff
next prev parent reply other threads:[~2008-03-29 21:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080328093055.GA16736@basil.nowhere.org>
2008-03-29 7:16 ` Analysis of EH on Andi's dying disk and stuff to discuss about Tejun Heo
2008-03-29 15:34 ` Ric Wheeler
2008-03-29 20:49 ` Mark Lord
2008-03-29 20:53 ` Mark Lord
2008-03-29 21:12 ` Jeff Garzik [this message]
2008-03-29 23:35 ` Tejun Heo
2008-03-30 7:03 ` Andi Kleen
2008-03-30 7:33 ` Jeff Garzik
2008-03-30 11:03 ` Tejun Heo
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