From: Vojtech Pavlik <vojtech@suse.cz>
To: M?ns Rullg?rd <mru@users.sourceforge.net>
Cc: Vojtech Pavlik <vojtech@suse.cz>,
Michael Frank <mhf@linuxmail.org>,
andre@linux-ide.org, linux-kernel@vger.kernel.org
Subject: Re: [BUG?] SIS IDE DMA errors
Date: Fri, 26 Sep 2003 19:53:58 +0200 [thread overview]
Message-ID: <20030926175358.GA12072@ucw.cz> (raw)
In-Reply-To: <yw1x7k3vjw8o.fsf@users.sourceforge.net>
On Fri, Sep 26, 2003 at 07:27:35PM +0200, M?ns Rullg?rd wrote:
> Vojtech Pavlik <vojtech@suse.cz> writes:
>
> > Actually, it's me who wrote the 961 and 963 support. It works fine for
> > most people. Did you check you cabling?
>
> I'm dealing with a laptop, but I suppose I could wiggle the cables a
> bit. I still doubt it's a cable problem, since reading works
> flawlessly.
Hmm, that's indeed interesting and it'd point to a driver problem -
when reading, the drive is dictating the timing, but when writing, it's
the controllers turn.
So if the controller timing is not correctly programmed, reads function,
but writes don't.
Can you send me the output of 'lspci -vvxxx' of the IDE device?
I'll take a look to see if it looks correct.
> It appears to me that during heavy IO load, some DMA interrupts get
> lost, for some reason.
Well, I've got this feeling that not just IDE interrupts get lost under
heavy IO load with recent kernels ...
--
Vojtech Pavlik
SuSE Labs, SuSE CR
next prev parent reply other threads:[~2003-09-26 17:55 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-26 12:30 [BUG?] SIS IDE DMA errors Måns Rullgård
2003-09-26 14:08 ` Michael Frank
2003-09-26 14:07 ` Måns Rullgård
2003-09-26 15:32 ` Michael Frank
2003-09-26 15:38 ` Måns Rullgård
2003-09-26 19:44 ` Michael Frank
2003-09-29 9:23 ` Måns Rullgård
2003-09-29 13:12 ` Michael Frank
2003-09-26 16:59 ` Vojtech Pavlik
2003-09-26 17:27 ` Måns Rullgård
2003-09-26 17:53 ` Vojtech Pavlik [this message]
2003-09-26 17:46 ` Måns Rullgård
2003-09-26 18:33 ` Vojtech Pavlik
2003-09-26 19:19 ` Michael Frank
2003-09-27 6:13 ` Vojtech Pavlik
2003-09-27 6:40 ` Michael Frank
2003-09-29 9:22 ` Måns Rullgård
2003-09-29 10:01 ` Vojtech Pavlik
2003-10-02 0:32 ` Michael Frank
2003-09-26 18:29 ` Michael Frank
2003-09-29 11:18 ` Lionel Bouton
2003-09-26 18:15 ` Michael Frank
2003-09-26 18:22 ` Michael Frank
2003-10-03 8:38 ` [BUG?] lost interrupt (was: SIS IDE DMA errors) David Caldwell
2003-10-03 9:08 ` [BUG?] lost interrupt Måns Rullgård
2003-10-03 20:07 ` David Caldwell
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