Re: cpu error 4 (was: Re: O2 framebuffer problems with install kernel)

[Michael Lorenz <macallan%NetBSD.org@localhost>]

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Hello,

On Jul 29, 2008, at 11:23, Jorge Acereda Maciá wrote:

> With the first patch (the one using BUS_DMA_COHERENT), I get  
> constant reboots, usually under heavy IO load (probably an  
> unrelated problem).

Lots of network traffic on the onboard interface?
Any change with the 2nd patch?

> I've also noticed messages like this printed occasionally:
>
> crime: cpu error 4 at address 4c38444

'illegal address' reported by crime's cpu error interrupt. Probably a  
speculative read - otherwise you'd get a segfault or a panic. We  
should probably ignore them since they're bound to happen on R10k and  
newer CPUs.

> Should I suspect of faulty hardware?

Don't think so.

NetBSD/sgimips is known to be troublesome on R10k O2s, so far nobody  
could figure out why exactly.

have fun
Michael

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