[ofa-general] cmatose fails whereas rping passes on iWarp

[Steve Wise]

I did this change and the hang went away as well.

I think cmatose.c needs this fix.

pandit ib wrote:
> I'm still seeing the hang.
>
>   
>> I debugged this to see why it hangs.  The problem, as I see it, is in the server side.  The problem is shown in the diagram below (connection set up and tear down are omitted).  Both sides post 10 receive buffers.
>>
>> 1.                                              Server sends ten messages (not signaled)
>> 2.      Client polls recv cq and
>>          receives 10 messages
>> 3.      Client sends 10 messages
>> 4.                                              Server polls the send cq for completions
>> 5.                                              Server polls the recv cq for completions
>>
>> The server hangs in step 4 where it is looking for send completions but there will not be any because the signaled flag was not set in step 1.
>>
>> ucmatose completes when I change the following line:
>>        send_wr.send_flags = 0;
>> to
>>        send_wr.send_flags = IBV_SEND_SIGNALED;
>>
>> Don Wood
>>
>>
>>     
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