Questions on RTS->SQD

Hi,

As for an experiment for my research to try out the SQD state, I've reused the perftest code (send_bw.c) to modify the QP state from RTS->SQD, and query_qp to make sure the QP is in the SQD state. The codes were added before ibv_post_send function. (to make sure no outstanding WR in the SQ). When the ibv_modify_qp is executed to modify QP from RTS->SQD, it returns a 0 without any error code, but when the ibv_query_qp to query on the QP_state, the QP is still in RTS state. I'm using the mlx4 HCAs. Any ideas/suggestions why this will happen or I miss out something?

Thanks,
Wei Lin
PhD student
Simula School of Research and Innovation AS

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