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Old 08-22-02, 02:34 AM   #7
gbrauer
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Join Date: Aug 2002
Location: San Francisco, CA
Posts: 5
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Glad to be of help... it took me weeks to find that info. However....

I just noticed in the changelog for RH kernel-2.4.18-10 this change:

* Tue Jun 11 2002 Benjamin LaHaise <bcrl@redhat.com>

- add linux-2.4.19-pageattr.patch to fix the cache attribute conflict problem


I *believe* this is a backport of the AGP speculative caching fix from the 2.5 kernel. The patch I linked to above is a workaround that works by disabling speculative caching. This patch may actually fix the architectural problems in the kernel. You may have "double fixed" your problem by patching RH 2.4.18-10.

AMD claims the workaround patch only adds a 2-3% performance hit, but you may want to try running the stock 2.4.18-10 kernel and see if you're still stable.
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