From: Vojtech Pavlik <vojtech@suse.cz>
To: Thor Kristoffersen <Thor.Kristoffersen@nr.no>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Problem with VT8235 + DMA patch + PlexWriter W2410
Date: Sun, 10 Nov 2002 21:23:04 +0100 [thread overview]
Message-ID: <20021110212304.A15619@ucw.cz> (raw)
In-Reply-To: <200211101934.gAAJYZt09539@triumph.nr.no>; from Thor.Kristoffersen@nr.no on Sun, Nov 10, 2002 at 08:34:35PM +0100
On Sun, Nov 10, 2002 at 08:34:35PM +0100, Thor Kristoffersen wrote:
> I have tried, without success, to get a PlexWriter PX-W2410A (IDE/ATAPI CD
> burner) to work with an MSI KT3 Ultra2 (KT333/VT8235) and Vojtech Pavlik's
> DMA patch. Any attempt to access the CD burner produces lots of messages
> like these:
>
> hdc: status error: status=0x58 { DriveReady SeekComplete DataRequest }
> hdc: drive not ready for command
> hdc: status error: status=0x58 { DriveReady SeekComplete DataRequest }
> hdc: drive not ready for command
> hdc: status error: status=0x59 { DriveReady SeekComplete DataRequest Error }
> hdc: status error: error=0x54
> hdc: drive not ready for command
>
> The problem seems to be largely independent of the kernel version. I have
> tried 2.4.19, 2.4.20-preXX, and 2.5.46, with the same results.
>
> Simply turning off DMA for the CD burner does not make it work: the
> problem persists as long as the patch is present. On the other hand, a
> different CD burner (Sony CRX-140E) works just fine with the same
> mainboard, with the patch present.
Does the drive work without the patch? If yes, please send me 'hdparm -i
/edv/hdc', 'lspci -vvxxx' for both the cases with and without the patch,
and 'cat /proc/ide/via' for the case with the patch. I'll check if all
the timings programmed really are correct.
Maybe we have a candidate for drive PIO timing black list.
(check: no overclocking takes place on your machine, right?)
--
Vojtech Pavlik
SuSE Labs
prev parent reply other threads:[~2002-11-10 20:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-10 19:34 Thor Kristoffersen
2002-11-10 20:23 ` Vojtech Pavlik [this message]
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