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Cisco Bug: CSCuo81673 - F3: fln_em Process Causing High CPU on Module

Last Modified

Feb 27, 2018

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

6.2(8) 6.2(8)S35

Description (partial)

Symptom:
High CPU on F3 module due to fln_em process:

module-1# show processes cpu sort | ex 0.0

CPU utilization for five seconds: 72%/0%; one minute: 72%; five minutes: 72%
PID    Runtime(ms)  Invoked   uSecs  5Sec    1Min    5Min    TTY  Process
-----  -----------  --------  -----  ------  ------  ------  ---  -----------
1171   1384294340    528081   2621  49.86%  49.98% 49.99%   -    fln_em
...

Conditions:
- Mix of 1G and 10G/40G/100G ports
- 6.2(8), 6.2(8a), or 6.2(8b)
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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