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Cisco Bug: CSCvv92364 - C6840-X-LE-40G | "CM INTR Task" Holding Memory Increasing along with "CM INTR Task" high CPU.

Last Modified

Oct 23, 2020

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.5(1)IA1.1482

Description (partial)

Symptom:
1) C6840-X-LE-40G on 15.5(1)SY5
2) Increasing holding memory over a short time (should be around ~70664)
==========================================================
Switch#show process memory sorted | inc CM INTR
 783   0  371823304  101905100   23516108   <<<!!!       0          0 CM INTR Task
==========================================================

3) CM INTR Task also using high CPU:
==========================================================
Load for five secs: 99%/2%; one minute: 88%; five minutes: 86%
Time source is NTP, 10:39:01.066 AEST Wed Sep 16 2020
CPU utilization for five seconds: 99%/2%; one minute: 88%; five minutes: 86%
 PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process 
 783     6345052      363207      17469 69.42% 60.13% 59.00%   0 CM INTR Task   <<<!!!  
 170   128024188   180587222        708 11.46% 10.74% 10.54%   0 slcp process   ==========================================================

Conditions:
1) Found on C6840-X-LE-40G running 15.5(1)SY5
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