Symptom
Router IOS-XE shows below CPU HOG messages frequently.
001211: *Aug 6 12:27:54.976: %EVENTLIB-3-CPUHOG: R0/0: cylon_mgr: undefined: 1032ms, Traceback=1#84cc1a4e3e6bc754fefb3c03103bdaf2 evlib:19A15000+AC1C evlib:19A15000+AD70 binos:19D1A000+D6C4 linux-vdso32:3F0000+3A0 btrace:19C26000+1B5E8 btrace:19C26000+AC00 cylon_manager:1C31A000+39B350 cylon_manager:1C31A000+397490 evlib:19A15000+A260 evlib:19A15000+A61C smc:1C291000+62B4
Also, observed below error messages quite frequently flooding the trace log files.
[handoff_fud] [13048]: UUID: 0, ra: 0 (ERR): Status of LINK 0 in FPGA is 0xb
[handoff_fud] [13048]: UUID: 0, ra: 0 (ERR): Status of LINK 1 in FPGA is 0xb
[handoff_fud] [13048]: UUID: 0, ra: 0 (ERR): Status of LINK 0 in FPGA is 0xb
[handoff_fud] [13048]: UUID: 0, ra: 0 (ERR): Status of LINK 1 in FPGA is 0xb
[handoff_fud] [13048]: UUID: 0, ra: 0 (ERR): Status of LINK 0 in FPGA is 0xb
[handoff_fud] [13048]: UUID: 0, ra: 0 (ERR): Status of LINK 1 in FPGA is 0xb
[handoff_fud] [13048]: UUID: 0, ra: 0 (ERR): Status of LINK 0 in FPGA is 0xb
[handoff_fud] [13048]: UUID: 0, ra: 0 (ERR): Status of LINK 1 in FPGA is 0xb
Conditions
For RSP2, link status logs have been treated as error which are flooding on trace console.
