[openib-general] osm in openib

[Michael S. Tsirkin]

Hello, Ron!
Quoting r. Ronald G. Minnich (rminnich at lanl.gov) "[openib-general] osm in openib":
> ib_umad is in. No kernel messages. 
> 
> I notice that it goes after /sys/class/blah blah just fine, but the in the
> middle of all opensm tries to open /dev/infiniband/umad0. Is this right?  
> Should it be trying to open /sys/class/infiniband_umad/umad0 (which
> exists)? Should there be a symlink in /dev? Just trying to figure out the
> "correct" way to do this. Or is the non-sys name usage a hangover in
> opensm from the old days?
> 
> thanks
> 
> ron


Yes, you must have udev mount /dev/infiniband, or do it manually.
This is documented in ../openib/src/linux-kernel/docs/user_mad.txt
Should be part of the FAQ, really.

MSt