[ofa-general] [Bug report / partial patch] OFED 1.3 send max_sge lower than reported by ib_query_device

Roland Dreier rdreier at cisco.com
Wed Sep 26 18:56:47 PDT 2007


 > The same bug exists with mthca.  I saw it originally in the kernel doing RDS work, but I just put together a short user space test.
 > 
 > ibv_query_device(MT25204) returns max_sge=30
 >   - ibv_create_qp with qp_attr.cap.max_send_sge = dev_attr.max_sge fails
 >   - ibv_create_qp with qp_attr.cap.max_send_sge = dev_attr.max_sge-1 works

Which transport type?

 - R.



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