Josh> Is the 'called: id [big-fat-negative-number]' supposed to be
Josh> there?
Yes, that's fine (it's just an artifact of the fact that receive work
request IDs get (1<<31) ORed in). I should clean up that debug
message though.
The debug messages show IPoIB apparently sending an ARP packet and
seeing it appear on the broadcast group (looped back locally).
Josh> Is there a utility (such as vping) to test even
Josh> basic IB connectivity?
Unfortunately not yet.
Josh> How can I get IPoIB to work?
What subnet manager are you using? If you mount ipoib_debugfs
somewhere (say /ipoib_debugfs), what do you get from
cat /ipoib_debugfs/ib0_mcg
Do /sys/class/net/ib0/statistics/rx_packets and/or "tcpdump -i ib0"
show anything on the other nodes when you try to ping or something?
Thanks,
Roland
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