[openib-general] help with ifconfig output from ipoib

[Ira Weiny]

This was sent before I was done writting it...  Please disregard...  (stuipid gui buttons...)

:-(
Ira

On Tue, 20 Dec 2005 11:15:29 -0800
Ira Weiny <weiny2 at llnl.gov> wrote:

> One of my coworkers brought a problem to me which I need guidance
> from you guys on.
> 
> He pointed out that the HW address for the ipoib interface in
> ifconfig reported all 0's.
> 
> 11:12:50 > /sbin/ifconfig ib0
> ib0       Link encap:UNSPEC  HWaddr
> 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 ...
> 
> I tracked this down using strace to be a difference in the redhat
> kernel vs the latest 2.6.14 kernel.  The  ioctl in redhats 2.6.9
> kernel will return EOVERFLOW if the sa_data area is too small.  This
> seemed like an easy enough fix.  Change the behavoir of the
> SIOCGIFHWADDR _______________________________________________
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