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From: Frank van Maarseveen <F.vanMaarseveen@inter.NL.net>
To: Tomas Szepe <szepe@pinerecords.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Alot of DMA errors in 2.4.18, 2.4.20 and 2.5.52
Date: Thu, 26 Dec 2002 17:42:29 +0100	[thread overview]
Message-ID: <20021226164229.GA26413@iapetus.localdomain> (raw)
In-Reply-To: <20021226132228.GE7348@louise.pinerecords.com>

On Thu, Dec 26, 2002 at 02:22:28PM +0100, Tomas Szepe wrote:
> > 
> > hdparm -X69 /dev/hda will put it into UDMA5/ata100 mode as well
> > (69 == 64 + UDMA mode). No need to specify it at boot time.
> 
> Not true.  You definitely need to use the ideX boot param AND
> run hdparm -X?? /dev/hd? to make use of UDMA3+ on newer PDC
> controllers (unless you apply the patch posted on Dec 24 by
> Nikolai Zhubr).

Driver says otherwise on RH8.0 + 2.4.20:
iapetus /proc/ide# cat pdc202xx 

PROMISE Ultra series driver Ver 1.20.0.7 2002-05-23 Adapter: Ultra100 TX2
--------------- Primary Channel ---------------- Secondary Channel -------------
                enabled                          enabled 
66 Clocking     enabled                          enabled 
Mode            MASTER                           MASTER
--------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------
DMA enabled:    yes              no              no                no 
UDMA Mode:      5                0               0                 0
PIO Mode:       4                0               0                 0


-- 
Frank

  reply	other threads:[~2002-12-26 16:34 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-25 11:19 Alot of DMA errors in 2.4.18, 2.4.20 and 2.5.52 Mikael Olenfalk
2002-12-25 11:58 ` Tomas Szepe
2002-12-26 12:37   ` Frank van Maarseveen
2002-12-26 13:22     ` Tomas Szepe
2002-12-26 16:42       ` Frank van Maarseveen [this message]
2002-12-26 17:35         ` Tomas Szepe
2002-12-26 18:40           ` Frank van Maarseveen
2002-12-26 19:28           ` Frank van Maarseveen
2002-12-27 13:14     ` Mikael Olenfalk
2002-12-27 15:13       ` jw schultz
2002-12-27 22:38         ` Mikael Olenfalk
2002-12-28  0:45           ` Alan Cox
2002-12-28 14:31             ` Mikael Olenfalk

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