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From: Markus Gebert <markus.gebert@hostpoint.ch>
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To: John Baldwin <jhb@freebsd.org>
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Subject: Re: 8.1-RC2 - PCI fatal error or MCE triggered by USB/ehci on Sun
	X4100M2?
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On 12.07.2010, at 14:48, John Baldwin wrote:


> Hmm with mca disabled in the loader you should not be getting any =
MCE's at all=20
> as we don't enable the MCE interrupt in the CPU in that case.  Are you=20=

> disabling it in the BIOS rather than loader.conf?

I disabled it in loader.conf, just tested again, you're right, it just =
reboots in that case.


> 7.3 has MCA support, but disabled by default.

IIRC we also tested 7.3 without being able to reproduce, but I'm not =
sure (didn't do all the tests myself).

But I guess we can rule out MCA at this point, since we just get a =
forced reboot instead of a panic, right?


Markus