Re: Cyrix 6x86MX and Centaur C6 CPUs in 2.1.102

Alan Cox (
Mon, 18 May 1998 13:49:44 +0100 (BST)

> GAH! No! Evil! C6! Run! Hide! Don't Put Quarter In Vending Machine! ;)

Im planning to get a C6 to play with some Linux optimisations for it. So
if there are some less humerous thoughts behind that comment let me know
even if in private...

> Okay, if SOMEBODY can get me the exact steppings that have this 'problem'
> (I never call features that break stuff features:), this (it's 3:30a here,
> *PLEASE* don't bitch if I get this totally wrong:) would work a bit
> better.

The Centaur preliminary databook explicitly lists the TSC bug (and gives
the div by 0 in Linux as the known problem they cause). It states it is
fixed/will be fixed in stepping 1. No workaround is provided in the datasheet
I have. Its available from in PDF from


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