Hi add the following line in /etc/openmpi-mca-params.conf btl=^openib
----- Original Message ----- From: "Jeff Squyres" <jsquy...@cisco.com> To: "Open MPI Users" <us...@open-mpi.org> Sent: Friday, January 11, 2008 12:32:10 AM (GMT+0330) Asia/Tehran Subject: Re: [OMPI users] openib problems 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 > bro...@umich.edu > (734)936-1985 > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users -- Jeff Squyres Cisco Systems _______________________________________________ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users