11-28-2013
I would suggest a few options to explore on this. If ping works, then your network card definitions and routing seems fine.
- The time-out is most likely that a firewall is blocking you.
- It could be an error in SELinux if that is running.
It could possibly be that the DNS lookup time-out & retry on the server are set too long and it cannot resolve your IP address back to a name quickly enough (or abort lookup) and your client times-out first, but this is very unlikely.
Can you your trace with ping or traceroute to a specified port? Try port 22 for SSH connections and port 23 for Telnet.
I hope that this gives you something to work off.
Robin
Liverpool/Blackburn
UK
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LEARN ABOUT DEBIAN
ibv_uc_pingpong
IBV_UC_PINGPONG(1) USER COMMANDS IBV_UC_PINGPONG(1)
NAME
ibv_uc_pingpong - simple InfiniBand UC transport test
SYNOPSIS
ibv_uc_pingpong [-p port] [-d device] [-i ib port] [-s size] [-r rx depth] [-n iters] [-l sl] [-e] HOSTNAME
ibv_uc_pingpong [-p port] [-d device] [-i ib port] [-s size] [-r rx depth] [-n iters] [-l sl] [-e]
DESCRIPTION
Run a simple ping-pong test over InfiniBand via the reliable connected (RC) transport.
OPTIONS
-p, --port=PORT
use TCP port PORT for initial synchronization (default 18515)
-d, --ib-dev=DEVICE
use IB device DEVICE (default first device found)
-i, --ib-port=PORT
use IB port PORT (default port 1)
-s, --size=SIZE
ping-pong messages of size SIZE (default 4096)
-r, --rx-depth=DEPTH
post DEPTH receives at a time (default 1000)
-n, --iters=ITERS
perform ITERS message exchanges (default 1000)
-l, --sl=SL
use SL as the service level value of the QP (default 0)
-e, --events
sleep while waiting for work completion events (default is to poll for completions)
SEE ALSO
ibv_rc_pingpong(1), ibv_ud_pingpong(1), ibv_srq_pingpong(1)
AUTHORS
Roland Dreier
<rolandd@cisco.com>
BUGS
The network synchronization between client and server instances is weak, and does not prevent incompatible options from being used on the
two instances. The method used for retrieving work completions is not strictly correct, and race conditions may cause failures on some
systems.
libibverbs August 30, 2005 IBV_UC_PINGPONG(1)