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SubjectRe: MediaGX/GeodeGX1 requires X86_OOSTORE.
From
On Sat, Feb 17, 2007 at 11:11:13PM +0900, takada wrote:
> is it mean what doesn't help with doesn't call set_cx86_reoder()?
> this function disable to reorder at 0x4000:0000 to 0xffff:ffff.
> does pcnet32 access at out of above range?
>
> --- arch/i386/Kconfig.cpu~ 2007-02-05 03:44:54.000000000 +0900
> +++ arch/i386/Kconfig.cpu 2007-02-17 21:25:52.000000000 +0900
> @@ -322,7 +322,7 @@ config X86_USE_3DNOW
>
> config X86_OOSTORE
> bool
> - depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
> + depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR || MGEODEGX1
> default y
>
> config X86_TSC

Well it turns out that enabling OOSTORE doesn't elliminate the problem,
but it does make it go from occouring within seconds to occouring within
many hours. I am off to investigate some more.

Does anyone know if there is any way to flush a cache line of the cpu to
force rereading system memory for a given address or address range?

--
Len Sorensen
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