From: Tejun Heo <htejun@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Daniel Beichl <daniel_beichl@gmx.net>, linux-ide@vger.kernel.org
Subject: Re: [PATCH] Re: 2.6.19.1, sata_sil: sata dvd writer doesn't work
Date: Tue, 08 May 2007 16:52:52 +0200 [thread overview]
Message-ID: <46408EC4.9080904@gmail.com> (raw)
In-Reply-To: <20070508155119.4207bbc6@the-village.bc.nu>
Alan Cox wrote:
>>> A thing that crossed my mind was a timing issue. Perhaps the dmaing of <
>>> 60 bytes is that
>>> fast that the interrupt that causes it is not yet handled correctly. But
>>> this is just a very wild guess.
>> I don't think that can happen. Controllers are required to queue
>> interrupt till FIFO is flushed. Can you post dmesg after such errors?
>
> Random finger in the air guess - the FIFO on the SIL DMA engine is 64
> bytes long ? Perhaps this is something Jeff can query with his contacts
> at Silicon Image ?
That sounds plausible. I have pretty good relationship with SIMG. I'll
ask them.
Thanks.
--
tejun
next prev parent reply other threads:[~2007-05-08 14:53 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <46362672.7080103@gmx.net>
[not found] ` <4636EA85.40809@t-online.de>
[not found] ` <46371628.9060905@gmail.com>
[not found] ` <46379CA1.601@t-online.de>
[not found] ` <463AEAF9.3000103@gmail.com>
2007-05-04 17:32 ` [PATCH] Re: 2.6.19.1, sata_sil: sata dvd writer doesn't work Harald Dunkel
2007-05-07 10:29 ` Tejun Heo
2007-05-07 18:21 ` Harald Dunkel
2007-05-08 14:27 ` Tejun Heo
2007-05-09 17:37 ` Harald Dunkel
2007-05-10 13:00 ` Tejun Heo
2007-05-10 20:27 ` Harald Dunkel
2007-05-11 8:33 ` Tejun Heo
2007-05-15 17:38 ` Harald Dunkel
2007-06-06 4:38 ` Harald Dunkel
2007-06-19 7:24 ` Tejun Heo
[not found] ` <4636DCA9.9050803@gmail.com>
[not found] ` <4636FBB7.3030605@gmx.net>
[not found] ` <463AE631.9030701@gmail.com>
2007-05-04 18:18 ` Daniel Beichl
2007-05-07 8:24 ` Tejun Heo
[not found] ` <463F634E.2070103@gmx.net>
2007-05-08 14:42 ` Tejun Heo
2007-05-08 14:51 ` Alan Cox
2007-05-08 14:52 ` Tejun Heo [this message]
2007-05-25 3:23 ` Jeff Garzik
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