Oracle Linux: Infiniband Device Occasionally Shows "failed To Send RTU"
(Doc ID 2496719.1)
Last updated on JUNE 24, 2020
Applies to:Linux OS - Version Oracle Linux 6.6 to Oracle Linux 6.10 [Release OL6U6 to OL6U10]
Information in this document applies to any platform.
Occasionally some warnings are logged onto /var/log/messagss:
|2018-12-15T21:43:30 hostname kernel: [kern.warning] [4217150.723935] ib0: failed to send RTU: -22
2018-12-15T21:43:32 hostname kernel: [kern.warning] [4217152.112106] ib0: failed to send RTU: -22
2018-12-20T21:56:27 hostname kernel: [kern.warning] [3541934.250189] ib0: failed to send RTU: -22
However, there are no error-level messages reported.
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