8.1-RC2 - PCI fatal error or MCE triggered by USB/ehci on Sun X4100M2?

[Markus Gebert]

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 
> as we don't enable the MCE interrupt in the CPU in that case.  Are you 
> 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