[3203] in linux-scsi channel archive
IO-APIC and Adaptec
daemon@ATHENA.MIT.EDU (Jochen Buehler)
Wed Feb 4 03:13:45 1998
Date: Wed, 4 Feb 1998 09:09:30 +0100
From: Jochen Buehler <jochen@amiga.chemie.uni-konstanz.de>
To: Mick Haigh <rooter@village.vut.edu.au>
Cc: linux-smp@vger.rutgers.edu, linux-kernel@vger.rutgers.edu,
linux-scsi@vger.rutgers.edu
In-Reply-To: <199802040226.NAA00792@village.vut.edu.au>
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Mick Haigh writes:
> There seems to be a problem with all of the IO-APIC enabled problems and
> Adaptec 2940 controllers. All of the peole who have reported problems
> have either had a 2940 controller, or have a MB with a built in 2940
> controller.
>
> I wonder is this more a problem with the driver (I notice a file called
> spinlocks.txt in the Documentation directory referring to making the
> aix7xxx driver more SMP friendly) than a problem with the
> kernels/motherboards.
As reported earlier on linux-kernel, I noticed that my 2940 would
crash the system (2.1.84, Tyan Tomcat dual P5) if not using Ingo
Molnars IO_APIC patches. With those patches applied everything runs
smoothly (there are three disks, dat, cdrom and a MO drive
hooked up to the 2940, so it's not quite idle).
Regards
Jochen
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Jochen Buehler EMail: jochen@amiga.chemie.uni-konstanz.de
AG Prof. Dr. Daltrozzo buehler@chemie.uni-konstanz.de
Fakultaet fuer Chemie Phone: +49-7531-882094
Universitaet Konstanz Fax: +49-7531-883043
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