Cisco Bug: CSCvt21707 - CFS Process Crashes Due to Memory Exhaustion
Jul 30, 2020
- Cisco Nexus 5000 Series Switches
Known Affected Releases
Symptom: A Nexus5548 running 7.0(7)N1(1) may crash due to low memory. The system reset reason may show as below: Reason: Reset triggered due to HA policy of Reset System version: 7.0(7)N1(1) Service: cfs hap reset A "show cores" may show a core in the cfs process. The "show processes log details " output should show similar to below where the RLIMIT_AS value is close to the TOTAL value (meaning that the process memory for cfs is exhausted). ====================================================== Service: cfs Description: CFS Service Executable: /isan/bin/cfs Started at Sat Sep 17 13:50:30 2016 (182680 us) Stopped at Tue Oct 29 07:05:02 2019 (435579 us) Uptime: 1136 days 17 hours 14 minutes 32 seconds Start type: SRV_OPTION_RESTART_STATELESS (23) Death reason: SYSMGR_DEATH_REASON_FAILURE_SIGNAL (2) Last heartbeat 0.63 secs ago RLIMIT_AS: 584696780 System image name: n5000-uk126.96.36.199.N1.1.bin System image version: 7.0(7)N1(1) S0 PID: 3688 Exit code: signal 6 (core dumped) CWD: /var/sysmgr/work RLIMIT_AS: 584696780 Virtual Memory: CODE 08048000 - 08139788 DATA 0813A788 - 08142A28 BRK 0884F000 - 1AB8B000 STACK 7F809060 Conditions: This could be triggered by a config change or network event particular on systems configured with features that leverage CFS.
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