Robert Cummins wrote:
Hello,
IHAC that is experiencing a problem with IB. Specifically, when placing
the Infinihost III card in connected mode with 'echo connected
/sys/class/net/ib0/mode' some nodes stop responding. By 'stop
responding' I mean:
- ping <ib ip address> doesn't work (no packets returned; 100% packet
loss)
- ib_rdma_bw -b node never runs
- ibping does work
...
It should be noted that the I have four nodes that fail and nearly 20
that 'work'. The failing nodes are running the same kernel
(2.6.18-128.el5) while the working nodes are running the
2.6.18-128.1.1.el5 kernel. I am at a loss as to how to proceed with
debugging this short of getting the latest OFED distro and building it.
Has anyone else run into this problem and if so, how did you get around
it?
What is the FW version you use?
Can you see if there are any interesting messages in /var/log/messages,
especially from mthca driver
Tziporet
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