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Cisco Bug: CSCun34005 - Nexus2k/5k/6k: Continuous memory leak messages seen for ethpm

Last Modified

Jun 25, 2020

Products (1)

  • Cisco Nexus 5000 Series Switches

Known Affected Releases

7.0(1)N1(0.106) 7.0(6)N1(0.185) 7.1(3)N1(0.647) 7.1(3)N1(0.662) 7.2(0)N1(0.111) 7.2(0)N1(0.180) 7.2(1)N1(0.313)

Description (partial) 

Possible memory leak messages for ethpm are observed.

Sample logs:
%$ VDC-1 %$ Feb 25 06:32:17 %KERN-2-SYSTEM_MSG: [20640.784304] [sap 175][pid 3969][comm:ethpm] WARNING: possible memory leak is detected on pers queue (len=649,bytes=15825069) - kernel
%$ VDC-1 %$ Feb 25 06:32:27 %KERN-2-SYSTEM_MSG: [20650.122663] [sap 175][pid 3969][comm:ethpm] WARNING: possible memory leak is detected on pers queue (len=647,bytes=15773045) - kernel
Symptom:
Possible memory leak messages for ethpm are observed.

Sample Logs:
%$ VDC-1 %$ Feb 25 06:32:17 %KERN-2-SYSTEM_MSG: [20640.784304] [sap 175][pid 3969][comm:ethpm] WARNING: possible memory leak is detected on pers queue (len=649,bytes=15825069) - kernel
%$ VDC-1 %$ Feb 25 06:32:27 %KERN-2-SYSTEM_MSG: [20650.122663] [sap 175][pid 3969][comm:ethpm] WARNING: possible memory leak is detected on pers queue (len=647,bytes=15773045) - kernel

Conditions:
This problem is observed on the Nexus 5000/6000 switches, after pasting the configuration with large number of vlans to the running-config.

Also config replay of these vlans are extremely slow (might take a few hours to complete).
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