[5203] in linux-scsi channel archive
Re: NCR810 + HP SJ4C = bad?
daemon@ATHENA.MIT.EDU (Jon Lewis)
Wed Nov 25 03:05:38 1998
Date: Tue, 24 Nov 1998 18:57:19 -0500 (EST)
From: Jon Lewis <jlewis@inorganic5.fdt.net>
To: Gerard Roudier <groudier@club-internet.fr>
cc: ncr53c810@Colorado.EDU,
Linux SCSI Mailing List <linux-scsi@vger.rutgers.edu>
In-Reply-To: <Pine.LNX.3.95.981124235521.563A-100000@localhost>
On Wed, 25 Nov 1998, Gerard Roudier wrote:
> DSTAT=0xa0 -> Bit 0x20 means PCI BUS fault.
> They seem to happen for several different locations in the SCRIPTS.
Ah...so its not really a SCSI problem at all. I suppose that's probably
good.
> Anything that seems to work fine on win98 is suspicious. :-))
I guess win98 hides any errors, and as long as it gets through, its happy.
> 1 - Compile the driver for NORMAL IO.
Will do that tonight, and let you know what happens. I love 4 minute
kernel builds. :)
> 2 - If it still fails, try another SCSI device type on this controller.
I'll try it with nothing at all connected to the card.
> Should not make differences in my opinion.
I moved it because I thought it was odd that the NCR driver was
complaining about timeouts probing SCSI IDs that weren't even in use. It
didn't make any difference.
> IMO, the cause of PCI BUS errors might be:
>
> - Chipset crap or bad configured.
Motherboard is an Asus P2L97 AGP with an Intel PII-333.
> - Controller broken.
Unlikely...unless I just static zapped it. The 810 was pulled from my
dual P120 where it had run 2 SCSI disks and a CD for 1-2 years without
trouble. In fact, that was the system and setup where you found/fixed
some SMP problems in the ncr53c8xx driver long ago. It is a _very_ old
NCR 810. Is it possible that it's not quite up to the current PCI specs
and the new motherboard doesn't get along with it?
> - Mother-board problem.
I hope not.
> - Driver provided with some wrong memory address.
How would that happen?
> - (Un)intentionnal overclocking.
I don't think so. I'm pretty sure its all jumpered properly, and I did
not intend to overclock it. I was upgrading from a 486-33...so 333 was
plenty fast enough.
----don't waste your cpu, crack rc5...www.distributed.net team enzo---
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