From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Lord <liml@rtr.ca>
Subject: Re: [PATCH] 2.6.17-rc5: the latest consensus libata resume fix
Date: Sun, 28 May 2006 22:43:43 -0400
Message-ID: <447A5FDF.1080205@rtr.ca>
References: <200605272245.30108.axboe@suse.de> <Pine.LNX.4.64.0605271716030.5623@g5.osdl.org> <4478F681.8050607@garzik.org> <200605281128.00532.liml@rtr.ca> <20060528171424.GA12982@suse.de> <4479F487.5080507@garzik.org> <4479F76D.40506@rtr.ca> <447A03CC.50300@garzik.org> <20060528222832.GA26918@suse.de>
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To: Jens Axboe <axboe@suse.de>
Cc: Jeff Garzik <jeff@garzik.org>, Linus Torvalds <torvalds@osdl.org>, "zhao, forrest" <forrest.zhao@intel.com>, Tejun Heo <htejun@gmail.com>, linux-ide@vger.kernel.org

Jens Axboe wrote:
>
> Mark is right, ATA_BUSY alone does _not_ work for me. I agree it's a
> little odd based on the printk output, it must be a timing thing.

I think maybe your drive is doing something like this ("B"==BUSY, "D"==DRQ):

BBBDDBBBBBB

Where the first couple of BBB last less than 10usec.

Cheers