Symptom
While doing XR Image ISSU, finding continues PPE exception on LC. (PAT
LC) and PPE exception drops were seen on PSE. This is seen on V2 after run phase.
RP/0/RP0/CPU0:PE2#show controllers pse statistics location 0/1/CPU0 | in PPE
PPE exception drops (From-CPU packets) 2966237 2858
PPE exception drops (From-Fabric packets) 19641 19
RP/0/RP0/CPU0:PE2# show logging
LC/0/1/CPU0:Mar 29 02:26:14.404 : npu_driver[232]: %L2-NPU-3-ERROR_MSG : NPU 0: PPE exception(s) taken! Dump file saved: /misc/scratch/ppe_dumps/ppe_dump_1522261574_390047735_0.gz Run "show tech-support npu ..."
