From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: beolach@juno.com
Cc: jgoerzen@complete.org, linux-ide@vger.kernel.org
Subject: Re: Promise IDE controller crashes 2.4.22
Date: Mon, 01 Dec 2003 10:31:15 +1100 [thread overview]
Message-ID: <1070235074.658.58.camel@gaston> (raw)
In-Reply-To: <20031129.140802.28395.1074931@webmail05.lax.untd.com>
On Sun, 2003-11-30 at 09:07, beolach@juno.com wrote:
> I recently had a very similar problem to this on my computer with a
> Promise Ultra133TX2 (PDC20269) addon card. In my case I had a Western
> Digital drive attached to the PDC20269 that would have major filesystem
> corruption when DMA was enabled during the boot process. Interestingly,
> if I disabled DMA during boot, and then enabled it after boot with
> hdparm, the drive worked OK. Also, if I moved the drive to my
> mainboard's IDE controller, it would work. It seemed to be a
> combination of my drive & IDE controller, because the IDE controller
> works fine with other drives, and the WD hard drive worked fine with
> another IDE controller. I replaced the drive (20 GB) with a 120 GB
> Maxtor drive, and haven't had any problem since.
Did you have something on the "other" channel ?
Andre seems to imply that the Promise chip may trigger interesting
bugs if you do things like SET_FEATURE on one channel while another
is doing DMA, kind of things that may well happen during boot
Ben.
next prev parent reply other threads:[~2003-11-30 23:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-29 22:07 Promise IDE controller crashes 2.4.22 beolach
2003-11-30 23:31 ` Benjamin Herrenschmidt [this message]
[not found] <slrnbsche8.2ir.jgoerzen@christoph.complete.org>
2003-11-27 19:42 ` Bartlomiej Zolnierkiewicz
2003-11-27 22:55 ` John Goerzen
2003-11-27 23:16 ` Bartlomiej Zolnierkiewicz
2003-11-28 2:12 ` John Goerzen
2003-11-28 13:01 ` Bartlomiej Zolnierkiewicz
2003-11-29 1:12 ` John Goerzen
2003-11-28 2:24 ` John Goerzen
2003-11-28 3:22 ` Stefan Smietanowski
2003-11-28 13:00 ` Bartlomiej Zolnierkiewicz
2003-11-29 1:52 ` John Goerzen
2003-11-29 5:57 ` Andrew Herdman
2003-11-29 14:23 ` Bartlomiej Zolnierkiewicz
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