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From: Tejun Heo <tj@kernel.org>
To: Robert Hancock <hancockrwd@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>, Luke Ross <luke@lukeross.name>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>,
	IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: [PATCH #upstream-fixes 2/2] libata: implement ATAPI_HORKAGE_NOPIO and apply it to GGW-H10N
Date: Sun, 15 Nov 2009 17:16:45 +0900	[thread overview]
Message-ID: <4AFFB8ED.9050404@kernel.org> (raw)
In-Reply-To: <4AFDF5A8.1050005@gmail.com>

Hello,

11/14/2009 09:11 AM, Robert Hancock wrote:
> Luke/Tejun, do you have some error output from those wodim or growisofs
> errors? It would be useful to know what commands those were that failed
> and whether they were also an unusual data size.

I don't have anything.  For some reason, ahci works fine on the setups
here.  :-(

I'm waiting for Dan's further report.  I still am not sure whether
we're actually seeing a lot of ahci ATAPI failures or it's just that a
lot of reports are on ahci because it's the most often used driver
now.  I don't think anything fundamental is broken.  The reports are
too infrequent for that to be true.  It might have something to do
with the buffer padding / draining we do or how the controller and
driver react.

Thanks.

-- 
tejun

  reply	other threads:[~2009-11-15  8:16 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-17  3:36 [PATCH #upstream-fixes 1/2] libata: don't check whether to use DMA or not for no data commands Tejun Heo
2008-06-17  3:37 ` [PATCH #upstream-fixes 2/2] libata: implement ATAPI_HORKAGE_NOPIO and apply it to GGW-H10N Tejun Heo
2008-06-17  8:43   ` Alan Cox
2008-06-17  9:14     ` Tejun Heo
2008-06-17  9:31       ` Tejun Heo
2008-06-17  9:54       ` Luke Ross
2008-06-17 10:04         ` Alan Cox
2008-06-17 12:27           ` Tejun Heo
2008-06-18 11:48             ` Luke Ross
2008-06-18 11:59               ` Jeff Garzik
2009-11-13  9:14                 ` Dan Williams
2009-11-14  0:11                 ` Robert Hancock
2009-11-15  8:16                   ` Tejun Heo [this message]
2009-11-15 18:22                     ` Robert Hancock
2009-11-18  2:14                       ` Jeff Garzik
2009-11-24 16:50                     ` Dan Williams
2009-11-15 11:13                   ` Luke Ross
2008-06-17  8:54   ` Alan Cox
2008-06-19  0:28 ` [PATCH #upstream-fixes 1/2] libata: don't check whether to use DMA or not for no data commands Jeff Garzik

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