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Cisco Bug: CSCun18894 - SSTE: ROUTING-OSPF-4-MUTEX_ERR error logs

Last Modified

Aug 01, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.2.0.BASE

Description (partial)

Symptom:
The following error message might be logged by ospf process:

RP/0/RSP0/CPU0:Feb 16 18:21:27.213 : ospf[1014]: %ROUTING-OSPF-4-MUTEX_ERR : UNLOCK (null) mutex (5009a95c), tid 11 owner 0 count 168428034, error Operation not permitted [0x1]

Conditions:
The problem can happen when "fast-reroute per-prefix" is configured in ospf or ospfv3, and there are more than 128 backup paths for a single prefix.
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