This can mean that you have a user-level libibverbs and kernel mismatch.
Do any of the OFED sample programs work properly, or perhaps the
ibv_devinfo program? (ibv_devinfo should query the HCAs on your host
and list the status of all the ports)
On Jan 10, 2008, at 2:33 PM, Brock Palen wrote:
> We just updated rhel4 a few days back and now we get the following
> errors when trying to run on infiniband nodes with openmpi-1.2.3 and
> openmpi-1.2.0
>
> [0,1,1]: OpenIB on host nyx397 was unable to find any HCAs.
> Another transport will be used instead, although this may result in
> lower performance.
> ------------------------------------------------------------------------
> --
> libibverbs: Warning: no userspace device-specific driver found for /
> sys/class/infiniband_verbs/uverbs0
> libibverbs: Warning: no userspace device-specific driver found for /
> sys/class/infiniband_verbs/uverbs0
>
>
> Has anyone ever seen this error before? We are not that
> knowledgeable in infiniband so any help would be great.
>
>
> Brock Palen
> Center for Advanced Computing
> brockp_at_[hidden]
> (734)936-1985
>
>
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--
Jeff Squyres
Cisco Systems
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