[ofa-general] Questions about IPOIB handle last WQE event

[Hoang-Nam Nguyen]

Hi Roland!
>  > I would say so since I didn't see the QP got destroyed. You meant
>  > susequents WQEs need to return flush error completion status throught
>  > CQ? Current ehca code level doesn't have this support. It will be
fixed
>  > later.
>
> That seems like the real issue.  If ehca does not generate flush error
> completions for pending work requests when a QP is transitioned to the
> error state, then that is a major problem that is going to break cleanup
> for nearly everything.  Generating flush error completions on transition
> to error is a fundamental part of the IB verbs.
>
> So I would prefer not to work around it in IPoIB but rather fix this
> basic problem in ehca.
Right. We're working on a patch for ehca addressing this (flush error cqes)
and will post it here for review, probably in 2-3 weeks.
Thx
Nam