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Message-ID: <20070517005911.GB25935@linux-sh.org>
Date: Thu, 17 May 2007 09:59:11 +0900
From: Paul Mundt <lethal@...ux-sh.org>
To: Tejun Heo <htejun@...il.com>, jeff@...zik.org,
linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
garyhade@...ibm.com
Subject: Re: [PATCH] libata: implement ata_wait_after_reset()
On Wed, May 16, 2007 at 06:44:53PM +0200, Tejun Heo wrote:
> + /* FIXME: GoVault needs 2s but we can't afford that without
> + * parallel probing. 800ms is enough for iVDR disk
> + * HHD424020F7SV00. Increase to 2secs when parallel probing
> + * is in place.
> + */
> + ATA_TMOUT_FF_WAIT = 4 * HZ / 5,
> +
Changing this to 4 * HZ / 4 gets rid of the occasional COMRESET failure.
So it would seem that 800ms is good enough for the common case, but it
seems to be cutting it pretty close..
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