[openib-general] libibcm can't open /dev/infiniband/ucm0

[Bub Thomas]

Sean,
ib_ ucm is already loaded!?

Here is the list of all loaded ib modules and their dependencies:

ib_rds                 37656  0
ib_ucm                 21512  0
ib_srp                 33924  0
ib_sdp                 45468  0
rdma_cm                26760  3 rdma_ucm,ib_rds,ib_sdp
ib_addr                10504  1 rdma_cm
ib_cm                  39952  3 ib_ucm,ib_srp,rdma_cm
ib_local_sa            14232  2 rdma_ucm,rdma_cm
findex                  6784  1 ib_local_sa
ib_ipoib               59800  0
ib_sa                  18196  4 ib_srp,rdma_cm,ib_local_sa,ib_ipoib
ib_uverbs              47408  1 rdma_ucm
ib_umad                20272  0
ib_ipath               70424  0
ipath_core            179524  1 ib_ipath
ib_mthca              140336  0
ib_mad                 43304  5 ib_cm,ib_local_sa,ib_sa,ib_umad,ib_mthca
ib_core                59520  14
ib_rds,ib_ucm,ib_srp,ib_sdp,rdma_cm,ib_cm,ib_local_sa,ib_ipoib,ib_sa,ib_
uverbs,ib_umad,ib_ipath,ib_mthca,ib_mad
scsi_mod              140177  6
ib_srp,qla2xxx,scsi_transport_fc,libata,mptscsih,sd_mod

Thanks
Thomas


-----Original Message-----
From: Sean Hefty [mailto:mshefty at ichips.intel.com] 
Sent: Friday, August 18, 2006 6:06 PM
To: Bub Thomas
Cc: openib-general at openib.org
Subject: Re: [openib-general] libibcm can't open /dev/infiniband/ucm0

Bub Thomas wrote:
> It seems as if the problem I had there was not in my code but the 
> libibcm not being able to open the device /dev/infiniband/ucm0.

You will need to load ib_ucm, which exports the IB CM to userspace.

- Sean