OPERATIONAL DEFECT DATABASE
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Nexus 3548 running 6.0(2)A8(10) or A8(11) reboots due to spm hap reset. In this case SPM process is crashing because of NAT.
Seen in version 6.0(2)A8(10) and A8(11). Nexus 3500 switch configured with NAT.
+] None known at this time, possibly remove NAT.
N3548# show system reset-reason ----- reset reason for Supervisor-module 1 (from Supervisor in slot 1) --- 1) At 980683 usecs after Mon Nov 5 07:58:09 2018 Reason: Reset triggered due to HA policy of Reset Service: spm hap reset Version: 6.0(2)A8(10) N3548# show processes log Process PID Normal-exit Stack Core Log-create-time --------------- ------ ----------- ----- ----- --------------- spm 3730 N Y Y Mon Nov 5 07:57:51 2018 N3548# show processes log detail PID: 3676 SAP: 487 UUID: 648 ====================================================== Service: spm Description: SPM Daemon Executable: /isan/bin/spm Started at Fri Oct 19 23:25:10 2018 (603410 us) Stopped at Mon Nov 5 07:57:48 2018 (896428 us) Uptime: 16 days 8 hours 32 minutes 38 seconds Start type: SRV_OPTION_RESTART_STATELESS (23) Death reason: SYSMGR_DEATH_REASON_FAILURE_SIGNAL (2) Last heartbeat 37.17 secs ago RLIMIT_AS: 458355392 System image name: n3500-uk9.6.0.2.A8.10.bin System image version: 6.0(2)A8(10) S0 PID: 3730 Exit code: signal 11 (core dumped) <---- Segmentation fault ( https://www.tldp.org/FAQ/sig11/html/index.html). CWD: /var/sysmgr/work RLIMIT_AS: 458355392 <--- Limit is 458,355,392 Virtual Memory: CODE 08048000 - 080EDC70 DATA 080EEC70 - 080F00A8 BRK 0873E000 - 089AD000 STACK FFDC1480 TOTAL 103288 KB <--- 103288 * 1024 = 105,766,912 - No memory leak. At first there was a defensive fix which was committed to A8(11) code which was deemed to be insufficient and additional diagnostic capability was added. Further crashes in A8(11) was able to root cause the fix. The final fix for this bug will be in 6.0(2)A8(11a).
NAT side added defensive check and real fix is from SPM side and SPM side fix is critical and required (CSCvn30864)
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