From: "Justin T. Gibbs" <gibbs@scsiguy.com>
To: david@spanware.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernel Panic New Adaptec - Old Adaptec Works
Date: Tue, 25 Sep 2001 09:35:31 -0600 [thread overview]
Message-ID: <200109251535.f8PFZVY03436@aslan.scsiguy.com> (raw)
In-Reply-To: Your message of "Mon, 24 Sep 2001 23:34:26 EDT." <20010925033318Z274451-760+16507@vger.kernel.org>
>Hello,
>
>I am running a dual PIII 933 VIA based motherboard (Gigabyte 6VXDC7).
>I have two Seagate Cheetah HDs, and two SCSI cdroms. There are no IDE
>devices anywhere in the system, and no support is compiled in the kernel or
>as a module for IDE.
>
>Kernel 2.4.7 works perfectly. I cannot get 2.4.10 to work with the new aha
>driver compiled into the kernel. Below is what I was able to capture of the
>output
You need to disable all of the "speed up my PCI bus even though it violates
the spec) options in your BIOS. The old driver issues a PCI read after
every device write to overcome such silliness in broken BIOSes/chipsets.
The new driver only issues a read (to flush writes) when synchronization
is required. The workaround used in the old driver has too high of a
performance penalty which is why the new driver does not do it.
--
Justin
prev parent reply other threads:[~2001-09-25 15:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-25 3:34 David Koretzky
2001-09-25 15:35 ` Justin T. Gibbs [this message]
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