[openib-general] Connectivity

[Hal Rosenstock]

On Fri, 2005-09-02 at 08:59, Sean Hubbell wrote:
> The log file I cannot send. I can go through it and answer any questions 
> that you have. I realize this is stupid, but this is well above me.

It will just take longer for us to converge on what is going on but this
is not the first time being in this situation...

> I am not sure about the Subnet Manager. How can I tell where it is running?

So I take it you didn't start up the SM...

You can tell that by the SM LID of the end nodes. You can find that out
via:
/sys/class/infiniband/mthca0/ports/1/sm_lid
ibstat
ibstatus

You can then use the diag tool smpquery to display more info about the
SM node: smpquery nodeinfo <sm_lid>
and use ibnetdiscover to correlate the GUID of the node to the topology
to determine where it is running.

> >2. There are 2 levels of debug tracing in IPoIB. You can enable these in
> >the build with CONFIG_INFINIBAND_IPOIB_DEBUG and
> >CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
> >  
> >
> Sorry for my ignorance, but how would one go about doing this?

Those are in the kernel config and then the kernel would need
rebuilding.

-- Hal