[openib-general] unable to run ibv_uc_pingpong and other example binaries

[Roland Dreier]

    Joe> [root at frodo examples]# ./ibv_rc_pingpong
    Joe> libucm: Error <-1:6> couldn't open IB cm device </dev/infiniband/ucm>
    Joe> libibverbs: Fatal: couldn't open sysfs class 'infiniband_verbs'.

Why is ibv_rc_pingpong loading libucm?  I don't see where that could
be coming from.

Do you have sysfs mounted?  What do you see in /sys/class/infiniband_verbs?

 - R.