This could be something as simple as a locked limit issue. Can you rebuild mvapich2 by passing `--disable-fast --enable-g=dbg' to configure? You should get more useful output with these options.
I'm cc'ing mvapich-discuss as well as this may be specific to MVAPICH2. On Thu, Jun 14, 2012 at 4:14 PM, Dark Charlot <[email protected]> wrote: > Dear experts, > > I am running mageia2 linux distribution which comes with kernel 3.3.6. > > I downloaded ofed 1.5.4.1 drivers and compiled and installed (** with a lot > of pains and spec files modifications **) some of the RPM : > > infiniband-diags-1.5.13-1.x86_64.rpm > infiniband-diags-debug-1.5.13-1.x86_64.rpm > libibmad-1.3.8-1.x86_64.rpm > libibmad-debug-1.3.8-1.x86_64.rpm > libibmad-devel-1.3.8-1.x86_64.rpm > libibmad-static-1.3.8-1.x86_64.rpm > libibumad-1.3.7-1.x86_64.rpm > libibumad-debug-1.3.7-1.x86_64.rpm > libibumad-devel-1.3.7-1.x86_64.rpm > libibumad-static-1.3.7-1.x86_64.rpm > libibverbs-1.1.4-1.24.gb89d4d7.x86_64.rpm > libibverbs-debug-1.1.4-1.24.gb89d4d7.x86_64.rpm > libibverbs-devel-1.1.4-1.24.gb89d4d7.x86_64.rpm > libibverbs-devel-static-1.1.4-1.24.gb89d4d7.x86_64.rpm > libibverbs-utils-1.1.4-1.24.gb89d4d7.x86_64.rpm > libmlx4-1.0.1-1.20.g6771d22.x86_64.rpm > libmlx4-debug-1.0.1-1.20.g6771d22.x86_64.rpm > libmlx4-devel-1.0.1-1.20.g6771d22.x86_64.rpm > mstflint-1.4-1.18.g1adcfbf.x86_64.rpm > mstflint-debug-1.4-1.18.g1adcfbf.x86_64.rpm > opensm-3.3.13-1.x86_64.rpm > opensm-debug-3.3.13-1.x86_64.rpm > opensm-devel-3.3.13-1.x86_64.rpm > opensm-libs-3.3.13-1.x86_64.rpm > opensm-static-3.3.13-1.x86_64.rpm > > But I was **not** able to compile ofa kernel itself. > > Then I tried to use, instead, all the corresponding modules which come with > my stock linux kernel distribution (3.3.6) > > After initializing correctly (I guess) all the necessary mellanox stuffs > (openibd, opensm etc...) I can see my Mellanox cards with the command > ibv_devinfo. > > I get the following output for all the computers which have a mellanox card > > 1) ibv_devinfo > > kerkira:% ibv_devinfo > > hca_id: mlx4_0 > transport: InfiniBand (0) > fw_ver: 2.7.000 > node_guid: 0002:c903:0009:d1b2 > sys_image_guid: 0002:c903:0009:d1b5 > vendor_id: 0x02c9 > vendor_part_id: 26428 > hw_ver: 0xA0 > board_id: MT_0C40110009 > phys_port_cnt: 1 > port: 1 > state: PORT_ACTIVE (4) > max_mtu: 2048 (4) > active_mtu: 2048 (4) > sm_lid: 8 > port_lid: 8 > port_lmc: 0x00 > link_layer: IB > > > 2) ibstatus > > kerkira:% /usr/sbin/ibstatus > > Infiniband device 'mlx4_0' port 1 status: > default gid: fe80:0000:0000:0000:0002:c903:0009:d1b3 > base lid: 0x8 > sm lid: 0x8 > state: 4: ACTIVE > phys state: 5: LinkUp > rate: 40 Gb/sec (4X QDR) > link_layer: InfiniBand > > > QUESTION: > > ==> According to these outputs, could we say that my computers use correctly > the mlx4 drivers which comes with my kernel 3.3.6 ? > > > Probably not because I cannot communicate between two machines using > mpi..... > > Here is the detail: > I compiled and install MVAPICH2 but I couldn't run "osu_bw" program between > two machines, I get : > > kerkira% mpirun_rsh -np 2 kerkira amos ./osu_bw > > [cli_0]: aborting job: > Fatal error in MPI_Init: > Other MPI error > > [kerkira:mpispawn_0][readline] Unexpected End-Of-File on file descriptor 6. > MPI process died? > [kerkira:mpispawn_0][mtpmi_processops] Error while reading PMI socket. MPI > process died? > [kerkira:mpispawn_0][child_handler] MPI process (rank: 0, pid: 5396) exited > with status 1 > [cli_1]: aborting job: > Fatal error in MPI_Init: > Other MPI error > > [amos:mpispawn_1][readline] Unexpected End-Of-File on file descriptor 5. MPI > process died? > [amos:mpispawn_1][mtpmi_processops] Error while reading PMI socket. MPI > process died? > [amos:mpispawn_1][child_handler] MPI process (rank: 1, pid: 6733) exited > with status 1 > [amos:mpispawn_1][report_error] connect() failed: Connection refused (111) > > > Now f I run on the **same** machine, I get the expected results: > > kerkira% mpirun_rsh -np 2 kerkira kerkira ./osu_bw > # OSU MPI Bandwidth Test v3.6 > # Size Bandwidth (MB/s) > 1 5.47 > 2 11.34 > 4 22.84 > 8 45.89 > 16 91.52 > 32 180.27 > 64 350.68 > 128 661.78 > 256 1274.94 > 512 2283.42 > 1024 3936.39 > 2048 6362.91 > 4096 9159.54 > 8192 10737.42 > 16384 9246.39 > 32768 8869.26 > 65536 8707.28 > 131072 8942.07 > 262144 9009.39 > 524288 9060.31 > 1048576 9080.17 > 2097152 5702.06 > > (note: ssh between the machines kerkira and amos works correctly without > password) > > QUESTION: > > ==> Why MPI programs does not work between two machines ? > ==> Is it because I use the mlx4/umad/etc modules from my distribution > kernel and not OFED kernel-ib ? > > Thanks in advance for your help . > > Jean-Charles Lambert. > > > > _______________________________________________ > ewg mailing list > [email protected] > http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg -- Jonathan Perkins http://www.cse.ohio-state.edu/~perkinjo _______________________________________________ ewg mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg
