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

[Tzachi Dar]

Can you enter the code and see where the failure comes from?

If I understand correctly it comes from the create_qp code.

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.