Symptom
Crash is seen during bootup process of the switch.
Output example:
switch: boot
boot: attempting to boot from [flash:packages.conf]
boot: reading file packages.conf
#############
Waiting for 120 seconds for other switches to boot
#
Switch number is 1
All switches in the stack have been discovered. Accelerating discovery
Jun 13 18:12:41.376: %PMAN-3-PROCHOLDDOWN: R0/0: The process sif_mgr has been helddown (rc 134)
Jun 13 18:12:44.538: %PMAN-0-PROCFAILCRIT: R0/0: pvp: A critical process sif_mgr has failed (rc 134)
Jun 13 18:12:44.689: %PMAN-3-RELOAD_SYSTEM: R0/0: pvp: Reloading: Peer switch is not standby ready. System will be reloaded
reload fp action requested
Chassis 1 reloading, reason - Critical process crash
rp processes exit with reload switch code
Jun 13 18:13:00.655: %PMAN-3-PROCESS_NOTIFICATION: R0/0: pvp: System report /crashinfo/system-report_1_20200613-181257-Universal.tar.gz (size: 2280 KB) generated
Conditions
Seen on Catalyst 3850 switches running 16.12.x and 16.9.x images
Workaround
No workarounds are available for this bug.