From: Ed Sweetman <safemode@speakeasy.net>
To: Jonathan Lundell <linux@lundell-bros.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: cerberus errors on 2.4.19 (ide dma related)
Date: 18 Aug 2002 14:04:42 -0400 [thread overview]
Message-ID: <1029693883.516.2.camel@psuedomode> (raw)
In-Reply-To: <p05111a2bb9858e64756e@[207.213.214.37]>
the dmesg i included shows my chipsets
VIA vt82c686b (rev 40) IDE UDMA100 controller on pci00:07.1
PDC20262: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
On Sun, 2002-08-18 at 13:50, Jonathan Lundell wrote:
> At 3:26 AM -0400 8/18/02, Ed Sweetman wrote:
> >It appears then that there are some DMA issues with the promise
> >controller i have with the driver. My swap used to be on the drive
> >on the promise controller before which would explain fs corruption
> >on both drives (swap cached and such).
>
> FWIW, this is a semi-well-known phenomenon with the IDE controller in
> the ServerWorks OSB4 south bridge. As I recall from our testing, a
> word appears to be dropped in the DMA transfer to the disk. We found
> that both PIO and multi-word DMA worked OK.
>
> What's your chipset?
> --
> /Jonathan Lundell.
>
next prev parent reply other threads:[~2002-08-18 18:00 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-18 6:44 cerberus errors on 2.4.19 (ide dma related) Ed Sweetman
2002-08-18 7:15 ` Ed Sweetman
2002-08-18 9:19 ` Andre Hedrick
2002-08-18 18:11 ` Ed Sweetman
2002-08-18 18:31 ` Ed Sweetman
2002-08-18 7:26 ` Ed Sweetman
2002-08-18 9:00 ` Barry K. Nathan
2002-08-18 9:13 ` Ed Sweetman
2002-08-18 17:50 ` Jonathan Lundell
2002-08-18 18:04 ` Ed Sweetman [this message]
2002-08-18 9:10 ` Alexander Viro
2002-08-18 9:16 ` Ed Sweetman
2002-08-18 18:10 ` Ed Sweetman
2002-08-18 18:20 ` Sean Neakums
2002-08-18 18:29 ` Ed Sweetman
2002-08-18 18:36 ` Sean Neakums
2002-08-18 21:53 ` Barry K. Nathan
2002-08-18 22:26 ` devfs Ed Sweetman
2002-08-18 22:47 ` devfs Sean Neakums
2002-08-18 23:03 ` devfs Alexander Viro
2002-08-18 23:15 ` devfs Ed Sweetman
2002-08-21 4:49 ` devfs Richard Gooch
2002-08-21 5:03 ` devfs Ed Sweetman
2002-08-19 1:06 ` devfs Olivier Galibert
2002-08-19 2:01 ` devfs Greg KH
2002-08-18 23:18 ` devfs Barry K. Nathan
2002-08-18 22:41 ` cerberus errors on 2.4.19 (ide dma related) Andrew Rodland
2002-08-18 22:55 ` Ed Sweetman
2002-08-19 21:46 ` Ed Sweetman
2002-08-18 19:53 ` Ed Sweetman
2002-08-18 20:07 ` Andre Hedrick
2002-08-18 20:29 ` Ed Sweetman
2002-08-23 0:03 ` Samuel Flory
2002-08-19 0:06 ` Denis Vlasenko
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