[ofa-general] IPoIB connections falling off

[Todd Bowman]

I haven't been able to replicate this problem, but when it occurs again I
will check these out and send reply.
Thanks,
Todd

On Sun, Jul 26, 2009 at 7:01 AM, Moni Shoua <monis at voltaire.com> wrote:

> Ira Weiny wrote:
> > Check your multicast group membership and forwarding tables on the
> switches.
> >
> > We have had similar issues and have found that some nodes fail to join
> the multicast groups for various reasons.
> >
> > Ira
> I think that a good start would be to send the following
> 1. kernel neigh table
> ip neigh show
>
> 2. ipoib path cache
> cat /sys/kernel/debug/ipoib/ib0_path
> (you probably need to mount debugfs first with 'mount -t debugfs none
> /sys/kernel/debug')
>
> 2. ipoib mcast joins
> cat /sys/kernel/debug/ipoib/ib0_mcg
>
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