[openib-general] [openfabrics-ewg] Stopping Infiniband kernel modules from loading at system boot

Doug Ledford dledford at redhat.com
Fri Jun 23 14:52:46 PDT 2006


On Fri, 2006-06-23 at 17:22 -0400, Hal Rosenstock wrote:

> > > ib_mthca              117424  0 
> > > ib_mad                 35896  1 ib_mthca 
                                      ^^^^^^^^
> > > ib_core                45952  2 ib_mthca,ib_mad 

> > In the sysinit we load all the modules required to support the hardware
> > in the system (that's when it prints the Initializing hardware: storage
> > network sound other [OK] message).  In order to stop that you have to
> > move the modules out of the way.  But, I'm a bit surprised that ib_mad
> > is loaded as that doesn't seem a hard dependancy for ib_mthca (or more
> > appropriately, I'm surprised to see ib_mad 
> 
> ib_mthca.ko has a number of unresolved symbols which are in the MAD
> module (ib_mad.ko) as well as IB core (ib_core.ko) so those are loaded
> when mthca is. If you look in /lib/modules/2.6.n/modules.dep, you should
> see these dependencies for ib_mthca.

Yeah, if I hadn't been spacing during my reply I would have noticed what
I highlighted above....

-- 
Doug Ledford <dledford at redhat.com>
http://people.redhat.com/dledford

Infiniband specific RPMs available at
http://people.redhat.com/dledford/Infiniband





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