[ofa-general] Question about ibv_asyncwatch

[Karthik Gopalakrishnan]

Hmmm. That makes sense. Thank You very much.

Regards,
Karthik

On 10/28/08, Dotan Barak <dotanba at gmail.com> wrote:
> Karthik Gopalakrishnan wrote:
> > Hi Folks.
> >
> > I have written a standalone program that calls
> > 'ibv_get_async_event()'. I want to know if that program can get async
> > events about errors on QPs (IBV_EVENT_PATH_MIG_ERR for example) that
> > are created by a different process (say some MPI Program).
> >
> > I also see a utility called 'ibv_asyncwatch' that is shipped as part
> > of OFED that seems to do something similar. I will be grateful if
> > someone could throw more light about what it does and point me to its
> > source.
> >
> >
> Hi.
>
> ibv_get_async_event can get:
> * unaffiliated events: events which are not related to a specific object
> (for example: port/HCA events)
> * affiliated events: events which are related to a specific object
> (QP/CQ/SRQ) of the same process.
>
> You cannot get affiliated events that were created in other processes.
>
>
> Dotan
>