VIA acknowledges North Bridge bug (AKA Linux Kernel with Athlon optimizations bug)

From: Troels Walsted Hansen (troels@thule.no)
Date: Wed Dec 05 2001 - 14:21:57 EST

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Remember the pci_fixup_via_athlon_bug() (AKA "Athlon bug stomper")
function which went into kernel 2.4.14 after much discussion?

Apparently the mysterious register 55 in the Northbridge controls a
buggy Memory Write Queue timer. They finally acknowledged the problem
when Nvidia drivers and Windows XP started pushing the hardware enough
to trigger the bug...

http://bbs.pcstats.com/viahardware/messageview.cfm?catid=19&threadid=863
8

-- Troels Walsted Hansen

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