Re: [discuss] A question about GART aperture unmap

[Zhao Forrest]

On 5/10/07, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
> > After commenting out clear_kernel_mapping() line, the system would
> > have sync flood and reset from time to time. However when with this
> > clear_kernel_mapping() line, no system reset happened.
>
> Hmm, that should not happen. Normally the problems fixed by
> this are expected to be very rare and you also should not get
> sync flood, but just cache line corruption. While it might be possible
> for random corruption to then cause sync flood that should be again
> rather unlikely. If it's repeatable quickly something else
> must be wrong.

The log recorded in IPMI SEL log showed that there's a GART error:
3f01 | OEM record e0 | 1800000000f60000010005001b  GART

Forrest
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/