[openib-general] Re: Latest CM and retransmissions

[Hal Rosenstock]

On Tue, 2005-05-24 at 12:46, Sean Hefty wrote: 
> Hal Rosenstock wrote:
> > Hi Sean,
> > 
> > With the latest CM changes (not sure when I last picked these up), I am
> > now seeing the following sequences. The times between the CM MADs are on
> > the order of 10s of usec. These sequences all refer to the same
> > connection. It seems that the retransmissions are occuring despite the
> > expected MAD being received.
> 
> This was a bug in the MAD code, where a request was resent when it was 
> canceled.  The bug entered when ib_modify_mad() was added, and a fix went in 
> yesterday.  It shouldn't affect the operation any, just results in a lot of 
> unnecessary MADs...

One of my machines used did not have this fix.

That fixed the connection setup side but not teardown. I still see:

DREQ -------->
    <-------  DREP
DREQ -------->
DREQ -------->

-- Hal