[Beowulf] How to debug error with Open MPI 3 / Mellanox / Red Hat?

John Hearns hearnsj at googlemail.com
Wed May 1 08:26:39 PDT 2019


On the RHEL 6.9 servers run   ibstatus   also
And sminfo

On Wed, 1 May 2019 at 16:23, John Hearns <hearnsj at googlemail.com> wrote:

>  link_layer:      Ethernet
>
> Errrr….
>
> On Wed, 1 May 2019 at 16:18, Faraz Hussain <info at feacluster.com> wrote:
>
>>
>> Quoting John Hearns <hearnsj at googlemail.com>:
>>
>> > What does   ibstatus   give you
>>
>> [hussaif1 at lustwzb33 ~]$ ibstatus
>> Infiniband device 'mlx4_0' port 1 status:
>>          default gid:     fe80:0000:0000:0000:4a0f:cfff:fef5:b650
>>          base lid:        0x0
>>          sm lid:          0x0
>>          state:           4: ACTIVE
>>          phys state:      5: LinkUp
>>          rate:            40 Gb/sec (4X QDR)
>>          link_layer:      Ethernet
>>
>> Infiniband device 'mlx4_0' port 2 status:
>>          default gid:     fe80:0000:0000:0000:4a0f:cfff:fef5:b658
>>          base lid:        0x0
>>          sm lid:          0x0
>>          state:           1: DOWN
>>          phys state:      3: Disabled
>>          rate:            40 Gb/sec (4X QDR)
>>          link_layer:      Ethernet
>>
>> [hussaif1 at lustwzb33 ~]$
>>
>>
>>
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