> There's actually a seperate TLB bug, but FreeBSD doesn't > trigger that one, either (Linux can tickle it, when there > are certain specific circumstances met). > Well, I think I know what you're talking about, linux allocates agpgart memory without setting a "non-cacheable" bit, and then the agp card writes to that memory, but the cpu cached it already, which makes the cache wrong or something like that, and causes the crashes/hangs. I know this is a greatly simplified version of the real problem, but I think this is a linux bug not necesarily an amd bug.
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