> >
> > Venkat, On IBM's Power7 box, I passed through following adpater to guest
> with
> > following
> ...
> >
> > Steps to recreate the issue
> > ===========================
> >
> > 1. Configure the NIC and ping it from external.
> > 2. Inject EEH error by running following command in host side. After about
> > 20 seconds, I got following message from host side. With the patch
> applied
> > to host kernel, I didn't see the warning messages:
>
> This seems really dubious and I don't see any justification at all for declaring
> DisINTx broken for all devices for the vendor. Typically to call DisINTx broken
> for a given device, you can just boot the guest with pci=nomsi to force INTx
> to be used. If that works, then DisINTx masking works. If you require EEH
> injection to to trigger this, then the problem is more likely some containment
> issue during EEH recovery. Thanks,
>
> Alex
Yes I agree with Alex.
pci=nomsi is what exactly we did to see if DisINTx is broken or not and DisINTx works fine in our setup.
I think, we need to analyze this EEH injection scenario further, to root cause the problem.
We will post you updates on our findings after the analysis.
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