From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Mark Lord <liml@rtr.ca>,
Andrew Morton <akpm@linux-foundation.org>,
michal.k.k.piotrowski@gmail.com, bryan@arbores.ca,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: Stardom SATA HSM violation
Date: Thu, 27 Sep 2007 19:42:21 -0400 [thread overview]
Message-ID: <46FC3FDD.5060201@pobox.com> (raw)
In-Reply-To: <46FC3D7D.90009@gmail.com>
Tejun Heo wrote:
> Alan Cox wrote:
>>> I think there have been enough cases where this draining was necessary.
>>> IIRC, ata_piix was involved in those cases, right? If so, can you
>>> please submit a patch which applies this only to affected controllers?
>>> I don't feel too confident about applying this to all SFF controllers.
>> Old IDE does it on all controllers bar a couple. So we have a very good
>> knowledge of what does/doesn't work. The one that needs care in old ide
>> is an ordering issue where a state machine reset done first causes the
>> drain of the I/O to hang.
>
> Hmmm... So, do we apply draining to all PATA? Or is ata_piix SATA
> affected too?
I would think all SFF controllers, since a lot of first gen SATA are
really bridged solutions. If they are flagging DRQ, I say oblige them :)
Jeff
next prev parent reply other threads:[~2007-09-27 23:42 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-25 3:22 Stardom SATA HSM violation Bryan Woods
2007-08-26 23:10 ` Michal Piotrowski
2007-09-03 8:53 ` Tejun Heo
2007-09-05 16:53 ` Andrew Morton
2007-09-05 17:23 ` Mark Lord
2007-09-05 19:38 ` Andrew Morton
2007-09-05 23:03 ` Mark Lord
2007-09-07 0:58 ` Tejun Heo
2007-09-07 13:40 ` Mark Lord
2007-09-27 7:05 ` Tejun Heo
2007-09-27 18:37 ` Alan Cox
2007-09-27 23:32 ` Tejun Heo
2007-09-27 23:42 ` Jeff Garzik [this message]
2007-09-27 23:52 ` Tejun Heo
2007-09-28 3:56 ` [PATCH] libata drain fifo on stuck DRQ " Mark Lord
2007-09-28 9:48 ` Tejun Heo
2007-09-28 9:56 ` Andrew Morton
2007-09-28 10:01 ` Tejun Heo
2007-09-28 10:27 ` Alan Cox
2007-09-28 13:41 ` [PATCH] libata drain fifo on stuck DRQ HSM violation (try#2) Mark Lord
2007-09-29 6:24 ` Jeff Garzik
2007-09-29 1:05 ` [PATCH] libata drain fifo on stuck DRQ HSM violation Jeff Garzik
2007-09-29 6:28 ` Alan Cox
2007-09-29 12:34 ` Mark Lord
2007-09-28 3:52 ` Stardom SATA " Mark Lord
2007-09-06 15:00 ` Bryan Woods
2007-09-07 0:58 ` Tejun Heo
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