Oracle Linux and Oracle VM: Infiniband Connections Fail After Working Correctly "kernel: ibX: ipoib_cm_handle_tx_wc: failed cm @ send event (status=12, wrid=440 vend_err=81)"
Last updated on AUGUST 16, 2017
Applies to:Linux OS - Version Oracle Linux 5.0 and later
Oracle VM - Version 3.2.9 to 3.2.9 [Release OVM32]
After a period of error-free activity, the InfiniBand (IB) traffic slows to zero. Examining the /var/log/messages file shows a flood of:
Rebooting the client does not correct the issue.
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