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

Bub Thomas thomas.bub at thomson.net
Fri Aug 18 06:53:21 PDT 2006


I looked into my original libibcm problem today, that made me looking
into cmpost, discussed in a sperate thread

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.
All IB modules are installed and the modules loaded the /dev/infiniband
devices available are:

crw-------   1 root root 231,  64 Aug 17 15:14 issm0
crw-rw-rw-   1 root root  10,  62 Aug 17 15:14 rdma_cm
crw-------   1 root root 231,   0 Aug 17 15:14 umad0
crw-rw-rw-   1 root root 231, 192 Aug 17 15:14 uverbs0

The exact error message is:

libibcm: error <-1:2> opening device </dev/infiniband/ucm0>

I'm running OFED-1.0.1 on an HP xw9300 running SLES9 SP3 in the x86_64
flawor.
Thanks
Thomas Bub

............................................................
Thomas Bub
Grass Valley Germany GmbH
Brunnenweg 9
64331 Weiterstadt, Germany
Tel: +49 6150 104 147
Fax: +49 6150 104 656
Email: Thomas.Bub at thomson.net
www.GrassValley.com  <http://www.grassvalley.com> 
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