Hi,
what ofed version do you use?
(ofed_info -s)

On Sun, Aug 17, 2014 at 7:16 PM, Rio Yokota <rioyok...@mac.com> wrote:

> I have recently upgraded from Ubuntu 12.04 to 14.04 and OpenMPI gives the
> following warning upon execution, which did not appear before the upgrade.
>
> WARNING: It appears that your OpenFabrics subsystem is configured to only
> allow registering part of your physical memory. This can cause MPI jobs to
> run with erratic performance, hang, and/or crash.
>
> Everything that I could find on google suggests to change log_num_mtt, but
> I cannot do this for the following reasons:
> 1. There is no log_num_mtt in /sys/module/mlx4_core/parameters/
> 2. Adding "options mlx4_core log_num_mtt=24" to /etc/modprobe.d/mlx4.conf
> doesn't seem to change anything
> 3. I am not sure how I can restart the driver because there is no
> "/etc/init.d/openibd" file (I've rebooted the system but it didn't do
> anything to create log_num_mtt)
>
> [Template information]
> 1. OpenFabrics is from the Ubuntu distribution using "apt-get install
> infiniband-diags ibutils ibverbs-utils libmlx4-dev"
> 2. OS is Ubuntu 14.04 LTS
> 3. Subnet manager is from the Ubuntu distribution using "apt-get install
> opensm"
> 4. Output of ibv_devinfo is:
> hca_id: mlx4_0
>         transport:                      InfiniBand (0)
>         fw_ver:                         2.10.600
>         node_guid:                      0002:c903:003d:52b0
>         sys_image_guid:                 0002:c903:003d:52b3
>         vendor_id:                      0x02c9
>         vendor_part_id:                 4099
>         hw_ver:                         0x0
>         board_id:                       MT_1100120019
>         phys_port_cnt:                  1
>                 port:   1
>                         state:                  PORT_ACTIVE (4)
>                         max_mtu:                4096 (5)
>                         active_mtu:             4096 (5)
>                         sm_lid:                 1
>                         port_lid:               1
>                         port_lmc:               0x00
>                         link_layer:             InfiniBand
> 5. Output of ifconfig for IB is
> ib0       Link encap:UNSPEC  HWaddr
> 80-00-00-48-FE-80-00-00-00-00-00-00-00-00-00-00
>           inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
>           inet6 addr: fe80::202:c903:3d:52b1/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:2044  Metric:1
>           RX packets:26 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:34 errors:0 dropped:16 overruns:0 carrier:0
>           collisions:0 txqueuelen:256
>           RX bytes:5843 (5.8 KB)  TX bytes:4324 (4.3 KB)
> 6. ulimit -l is "unlimited"
>
> Thanks,
> Rio
> _______________________________________________
> users mailing list
> us...@open-mpi.org
> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users
> Link to this post:
> http://www.open-mpi.org/community/lists/users/2014/08/25048.php
>

Reply via email to