[ofw] SRQ attached qp creation fails for connectX and OK for Infinihost?

[Smith, Stan]

Tzachi Dar wrote:
> Can you enter the code and see where the failure comes from?
>
> If I understand correctly it comes from the create_qp code.

That is correct; create_qp() returns IB_INVALID_PARAMETER.

>
> Thanks
> Tzachi
>
>> -----Original Message-----
>> From: Smith, Stan [mailto:stan.smith at intel.com]
>> Sent: Friday, November 19, 2010 10:47 PM
>> To: Tzachi Dar
>> Cc: ofw at lists.openfabrics.org
>> Subject: SRQ attached qp creation fails for connectX and OK for
>> Infinihost?
>>
>> Hello,
>>   Can you think of a reason why IPoIB-CM code that creates a receive
>> QP [create_qp()] which references a SRQ (create_qp.h_srq =
>> shared_rx_queue_qp_h) would always succeed when run over an
>> Infinihost HCA, while the very same code always fails when run over
>> a ConnectX HCA? Same win2kR2 x64 OS base, same hardware platform
>> except different HCAs; A single HCA per system.
>>
>> The failing create_qp() return code is IB_INVALID_PARAMETER.
>>
>> First and subsequent create_qp() calls always fail for ConnectX
>> (MT26418, firmware 2.7.0)? All QP parameters are far less than
>> supported CA maximums.
>>
>> Again, the very same code/driver/bits works fine for Infinihost
>> MT25208 and fails on MT26418.
>>
>> Any ideas?
>>
>> thanks,
>>
>> stan.