[PATCH,RFC] PPC32 Machine Check Handling

Tom Rini trini at kernel.crashing.org
Fri Nov 5 06:08:05 EST 2004

On Fri, Aug 27, 2004 at 03:12:04PM -0700, Tom Rini wrote:
> On Fri, Aug 27, 2004 at 11:26:29AM +0100, Adrian Cox wrote:
> > The attached patch rearranges PPC32 machine check handling in order to
> > test for internal CPU failures before signalling user processes. This
> > makes the behaviour match that of i386.
> >
> > The patch currently only changes behaviour for 6xx processors. It does
> > not enable any extra causes of machine check, but it will turn internal
> > CPU faults into kernel panics rather than signals.
> >
> > The PowerMac and Qspan specific code is moved into platform files. There
> > don't seem to be any boards in the tree that actually use Qspan PCI. I'd
> > like to hear test reports for PowerMac machines that take machine checks
> > on I/O faults.
> >
> > Paul, Tom: This isn't the finished version, but is there any chance of
> > something like this going mainstream?  The current behaviour makes it
> > very hard to separate chip failures and cooling problems from
> > application bugs.
> This seems like a fine idea to me.

This get cleaned up anymore, etc?  Thanks.

Tom Rini

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