[mvapich-discuss] problems with MVAPICH2 over 10GbE

Jonathan Perkins perkinjo at cse.ohio-state.edu
Fri Aug 19 09:04:17 EDT 2011


This is fine, you actually have explicitly specified a few options
that are enabled by
default.  This list of options could be shortened to `--enable-shared
--enable-xrc'.

On Fri, Aug 19, 2011 at 8:59 AM, Konz, Jeffrey (SSA Solution Centers)
<jeffrey.konz at hp.com> wrote:
> Jonathan,
>
> Got the patch. I want to verify the build options.
>
> My complete list of options is
>  "--enable-shared --enable-sharedlibs=gcc --enable-romio --enable-f77 --enable-fc --with-device=ch3:mrail --with-rdma=gen2 --enable-xrc".
>
> Are these correct? Anything else I should enable?
>
> Thanks,
>
> -Jeff
>
>
>
>> -----Original Message-----
>> From: Jonathan Perkins [mailto:perkinjo at cse.ohio-state.edu]
>> Sent: Thursday, August 18, 2011 9:11 PM
>> To: Konz, Jeffrey (SSA Solution Centers)
>> Cc: mvapich-discuss at cse.ohio-state.edu
>> Subject: Re: [mvapich-discuss] problems with MVAPICH2 over 10GbE
>>
>> Hello Jeffrey, we looked into this a bit more.  After applying the
>> attached patch and rebuilding mvapich2 you can use a variable called
>> MV2_DEFAULT_PORT to control which port to use.
>>
>> First apply the patch using `patch -p0 < multi_port_roce_patch.txt' at
>> the top level of the mvapich2 source code and rebuild the library.  To
>> run in RDMAoE mode on the 2nd port do something like:
>>
>> mpirun_rsh -np 2 node1 node2 MV2_USE_RDMAOE=1 MV2_DEFAULT_PORT=2 ./prog
>>
>> Please let us know if this works for you.
>>
>> On Wed, Aug 17, 2011 at 4:48 PM, Konz, Jeffrey (SSA Solution Centers)
>> <jeffrey.konz at hp.com> wrote:
>> > Jonathan,
>> >
>> > An issue is selecting the right port on the Mellanox NIC, it has two
>> ports: 1 IB, 1 10GigE.
>> > Not sure how to do that.
>> >
>> > #ibstat
>> > CA 'mlx4_0'
>> >        CA type: MT26438
>> >        Number of ports: 2
>> >        Firmware version: 2.7.9100
>> >        Hardware version: b0
>> >        Node GUID: 0x78e7d10300214bbc
>> >        System image GUID: 0x78e7d10300214bbf
>> >        Port 1:
>> >                State: Active
>> >                Physical state: LinkUp
>> >                Rate: 40
>> >                Base lid: 13
>> >                LMC: 0
>> >                SM lid: 1
>> >                Capability mask: 0x02510868
>> >                Port GUID: 0x78e7d10300214bbd
>> >                Link layer: IB
>> >        Port 2:
>> >                State: Active
>> >                Physical state: LinkUp
>> >                Rate: 40
>> >                Base lid: 0
>> >                LMC: 0
>> >                SM lid: 0
>> >                Capability mask: 0x00010000
>> >                Port GUID: 0x7ae7d1fffe214bbd
>> >                Link layer: Ethernet
>> >
>> >
>> > #ibv_devinfo -v
>> > hca_id: mlx4_0
>> >        transport:                      InfiniBand (0)
>> >        fw_ver:                         2.7.9100
>> >        node_guid:                      78e7:d103:0021:4bbc
>> >        sys_image_guid:                 78e7:d103:0021:4bbf
>> >        vendor_id:                      0x02c9
>> >        vendor_part_id:                 26438
>> >        hw_ver:                         0xB0
>> >        board_id:                       HP_0200000003
>> >        phys_port_cnt:                  2
>> >        max_mr_size:                    0xffffffffffffffff
>> >        page_size_cap:                  0xfffffe00
>> >        max_qp:                         260032
>> >        max_qp_wr:                      16351
>> >        device_cap_flags:               0x007c9c76
>> >        max_sge:                        32
>> >        max_sge_rd:                     0
>> >        max_cq:                         65408
>> >        max_cqe:                        4194303
>> >        max_mr:                         524272
>> >        max_pd:                         32764
>> >        max_qp_rd_atom:                 16
>> >        max_ee_rd_atom:                 0
>> >        max_res_rd_atom:                4160512
>> >        max_qp_init_rd_atom:            128
>> >        max_ee_init_rd_atom:            0
>> >        atomic_cap:                     ATOMIC_HCA (1)
>> >        max_ee:                         0
>> >        max_rdd:                        0
>> >        max_mw:                         0
>> >        max_raw_ipv6_qp:                0
>> >        max_raw_ethy_qp:                2
>> >        max_mcast_grp:                  8192
>> >        max_mcast_qp_attach:            56
>> >        max_total_mcast_qp_attach:      458752
>> >        max_ah:                         0
>> >        max_fmr:                        0
>> >        max_srq:                        65472
>> >        max_srq_wr:                     16383
>> >        max_srq_sge:                    31
>> >        max_pkeys:                      128
>> >        local_ca_ack_delay:             15
>> >                port:   1
>> >                        state:                  PORT_ACTIVE (4)
>> >                        max_mtu:                2048 (4)
>> >                        active_mtu:             2048 (4)
>> >                        sm_lid:                 1
>> >                        port_lid:               13
>> >                        port_lmc:               0x00
>> >                        link_layer:             IB
>> >                        max_msg_sz:             0x40000000
>> >                        port_cap_flags:         0x02510868
>> >                        max_vl_num:             8 (4)
>> >                        bad_pkey_cntr:          0x0
>> >                        qkey_viol_cntr:         0x0
>> >                        sm_sl:                  0
>> >                        pkey_tbl_len:           128
>> >                        gid_tbl_len:            128
>> >                        subnet_timeout:         18
>> >                        init_type_reply:        0
>> >                        active_width:           4X (2)
>> >                        active_speed:           10.0 Gbps (4)
>> >                        phys_state:             LINK_UP (5)
>> >                        GID[  0]:
>> > fe80:0000:0000:0000:78e7:d103:0021:4bbd
>> >
>> >                port:   2
>> >                        state:                  PORT_ACTIVE (4)
>> >                        max_mtu:                2048 (4)
>> >                        active_mtu:             1024 (3)
>> >                        sm_lid:                 0
>> >                        port_lid:               0
>> >                        port_lmc:               0x00
>> >                        link_layer:             Ethernet
>> >                        max_msg_sz:             0x40000000
>> >                        port_cap_flags:         0x00010000
>> >                        max_vl_num:             8 (4)
>> >                        bad_pkey_cntr:          0x0
>> >                        qkey_viol_cntr:         0x0
>> >                        sm_sl:                  0
>> >                        pkey_tbl_len:           1
>> >                        gid_tbl_len:            128
>> >                        subnet_timeout:         0
>> >                        init_type_reply:        0
>> >                        active_width:           4X (2)
>> >                        active_speed:           10.0 Gbps (4)
>> >                        phys_state:             LINK_UP (5)
>> >                        GID[  0]:
>> > fe80:0000:0000:0000:7ae7:d1ff:fe21:4bbd
>> >
>> >
>> > -Jeff
>> >
>> >
>> >> -----Original Message-----
>> >> From: Jonathan Perkins [mailto:perkinjo at cse.ohio-state.edu]
>> >> Sent: Wednesday, August 17, 2011 12:25 PM
>> >> To: Konz, Jeffrey (SSA Solution Centers)
>> >> Cc: mvapich-discuss at cse.ohio-state.edu
>> >> Subject: Re: [mvapich-discuss] problems with MVAPICH2 over 10GbE
>> >>
>> >> Thanks for your report, I'm checking with some of the other
>> >> developers to verify the way this should work.  I believe that you
>> do
>> >> not need to use the IP addresses of the RDMAoE port but instead
>> >> specify the the HCA name using MV2_IBA_HCA in addition to the
>> MV2_USE_RDMAOE=1 option.
>> >>
>> >> The name of the HCA can be found by using the ibstat command and
>> >> should look something like mlx4_...
>> >>
>> >> On Wed, Aug 17, 2011 at 11:17 AM, Konz, Jeffrey (SSA Solution
>> >> Centers) <jeffrey.konz at hp.com> wrote:
>> >> > I am running on a cluster with the Mellanox LOM that supports both
>> >> > IB
>> >> and 10 GbE.
>> >> > Both ports on the interface are active, one is on IB network the
>> >> other on 10 GbE network.
>> >> >
>> >> > I built mvapich2-1.7rc1 with these options :
>> >> > "--with-device=ch3:mrail
>> >> --with-rdma=gen2"
>> >> >
>> >> > Running over IB works fine.
>> >> >
>> >> > When I try to run over the 10GbE network with the
>> "MV2_USE_RDMAOE=1"
>> >> option I get this error:
>> >> >
>> >> > Fatal error in MPI_Init:
>> >> > Internal MPI error!
>> >> >
>> >> > [atl3-13:mpispawn_0][readline] Unexpected End-Of-File on file
>> >> descriptor 5. MPI process died?
>> >> > [atl3-13:mpispawn_0][mtpmi_processops] Error while reading PMI
>> >> socket. MPI process died?
>> >> > [atl3-13:mpispawn_0][child_handler] MPI process (rank: 0, pid:
>> >> > 23500)
>> >> exited with status 1
>> >> > [atl3-13:mpirun_rsh][process_mpispawn_connection] mpispawn_0 from
>> >> node 10.10.0.149 aborted: Error while reading a PMI socket (4)
>> >> >
>> >> > In the hostfile I specified the IP addresses of the 10 GbE ports.
>> >> >
>> >> > I am running incorrectly or have I not built mvapich with the
>> >> > correct
>> >> options?
>> >> >
>> >> > Thanks,
>> >> >
>> >> > -Jeff
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > mvapich-discuss mailing list
>> >> > mvapich-discuss at cse.ohio-state.edu
>> >> > http://mail.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
>> >> >
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Jonathan Perkins
>> >> http://www.cse.ohio-state.edu/~perkinjo
>> >
>> >
>>
>>
>>
>> --
>> Jonathan Perkins
>> http://www.cse.ohio-state.edu/~perkinjo
>
>



-- 
Jonathan Perkins
http://www.cse.ohio-state.edu/~perkinjo



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