<HTML dir=ltr><HEAD><TITLE>FW: OFED 1.2 rc1 release</TITLE>
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<DIV dir=ltr>1. ibv_ud_pingpong : doesn't work if size > 2048. I am getting error saying " Failed status 1 for wr_id 2". </DIV>
<DIV dir=ltr>For sizes <= 2048, it is working fine. </DIV>
<DIV dir=ltr><BR>ss22:/usr # ibv_ud_pingpong 172.20.51.223 -s 2050<BR>libibverbs: Warning: RLIMIT_MEMLOCK is 32768 bytes.<BR> This will severely limit memory registrations. local address: LID 0x0001, QPN 0x570406, PSN 0x1c03c6<BR> remote address: LID 0x0002, QPN 0x66041a, PSN 0xce376e<BR>Failed status 1 for wr_id 2<BR>ss22:/usr # </DIV>
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<DIV dir=ltr>2. -m option of ibv_srq_pingpong doesn't work. The error which we are getting is also not related to MTU. In the man page, there is no mention about this option, but if we do "ibv_srq_pingpong -h", we can see -m option.</DIV>
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<DIV dir=ltr>ss23:~ # ibv_srq_pingpong -m 512<BR>rx_depth 500 is too small for 512 QPs -- must have at least one receive per QP.</DIV>
<DIV dir=ltr><BR>ss23:~ # ibv_srq_pingpong -m 500<BR>Segmentation fault<BR>ss23:~ # </DIV>
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<DIV dir=ltr>3. ib_rdma_lat works fine till the size <=28. After that it starts giving error saying "Couldn't post send: scnt=1".</DIV>
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<DIV dir=ltr>ss22:/usr # ib_rdma_lat 172.20.51.223 -s 28<BR>libibverbs: Warning: RLIMIT_MEMLOCK is 32768 bytes.<BR> This will severely limit memory registrations. local address: LID 0x01 QPN 0x760407 PSN 0x34fcba RKey 0x8fda0039 VAddr 0x0000000050f01c<BR> remote address: LID 0x02 QPN 0x9c041b PSN 0x589d14 RKey 0x9072007f VAddr 0x0000000051101c<BR>Latency typical: 4.50868 usec<BR>Latency best : 4.27426 usec<BR>Latency worst : 60.6905 usec<BR>ss22:/usr # ib_rdma_lat 172.20.51.223 -s 29<BR>libibverbs: Warning: RLIMIT_MEMLOCK is 32768 bytes.<BR> This will severely limit memory registrations. local address: LID 0x01 QPN 0x780407 PSN 0xf2cbca RKey 0x8fea0039 VAddr 0x0000000050f01d<BR> remote address: LID 0x02 QPN 0x9e041b PSN 0x7872 RKey 0x9082007f VAddr 0x0000000051101d<BR>Couldn't post send: scnt=1<BR>ss22:/usr #</DIV>
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<DIV dir=ltr>Please let me know if this is expected behaviour.</DIV>
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<DIV dir=ltr>Thanks</DIV>
<DIV dir=ltr>Karun</DIV>
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