I'm running this test: [root@host1 ~]# rdma_bw --cma -n 500 17734: | port=18515 | ib_port=1 | size=65536 | tx_depth=100 | sl=0 | iters=500 | duplex=0 | cma=1 | 17734: Local address: LID 0000, QPN 000000, PSN 0xa10162 RKey 0xc0003c00 VAddr 0x002af7672fa000 17734: Remote address: LID 0000, QPN 000000, PSN 0x64bc9e00, RKey 0x70270048 VAddr 0x001d9bff0f0000
17734:pp_wait_for_done: bad wc status 5 17734:pp_wait_for_done: bad wc opcode 0 17734:pp_send_done: bad wc status 5 [root@host2 ~]# rdma_bw --cma -n 500 host1 25471: | port=18515 | ib_port=1 | size=65536 | tx_depth=100 | sl=0 | iters=500 | duplex=0 | cma=1 | 25471: Local address: LID 0000, QPN 000000, PSN 0x9ebc64 RKey 0x48002770 VAddr 0x000fff9b1d0000 25471: Remote address: LID 0000, QPN 000000, PSN 0x6201a100, RKey 0x3c00c0 VAddr 0xa02f67f72a0000 25471:main: Completion with error at client: 25471:main: Failed status 10: wr_id 3 25471:main: scnt=100, ccnt=0 removing '--cma' results in the test working fine. We are running centos 5.5 on host1 and RHEL6 on host2. They do have different librdmacm pacakges. [root@host1 ~]# rpm -qa | grep librdmacm librdmacm-1.0.13-1 [root@host2 ~]# rpm -qa | grep librdmacm librdmacm-1.0.15-1.ppc64 is there a known incompatibility between those two? (and or x86_64 and ppc64) thanks, kevin
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