Exception in snmp Subagent in PTF32 topology

[samKDas]

We are getting the below Exception in snmp Subagent in PTF32 topology for which certain testcases are failing .
ERR snmp#snmp-subagent message repeated 13 times: [ [ax_interface] ERROR: MIBUpdater.start() caught an unexpected exception during update_data()
#012Traceback (most recent call last):#12 File "/usr/local/lib/python3.6/dist-packages/ax_interface/mib.py", line 40, in start#012
self.reinit_data()#12 File "/usr/local/lib/python3.6/dist-packages/sonic_ax_impl/mibs/ieee802_1ab.py", line 115, in reinit_data#012
self.loc_chassis_data[b'lldp_loc_sys_cap_supported'] = parse_sys_capability(self.loc_chassis_data[b'lldp_loc_sys_cap_supported'])#012TypeError: 'NoneType' object is not subscriptable]"

It is found that lldpd is running but the info is missing from the APPL_DB as shown below in the logs.

6-4-dut:~$ docker exec -it lldp lldpcli show chassis

Local chassis:

Chassis:
ChassisID: mac 00:11:22:33:91:85
SysName: 6-4-dut
SysDescr: Debian GNU/Linux 9 (stretch) Linux 4.9.0-9-2-arm64 #1 SMP Debian 4.9.168-1+deb9u5 (2015-12-19) aarch64
TTL: 120
MgmtIP: 10.8.235.30
Capability: Bridge, on
Capability: Router, on
Capability: Wlan, off
Capability: Station, off

6-4-dut:$ ps aux | grep lldp_syncd
root 5386 0.1 0.1 90288 13744 ? Sl 10:51 0:00 python2 -m lldp_syncd
admin 7203 0.0 0.0 4900 532 ttyS0 S+ 10:54 0:00 grep lldp_syncd
6-4-dut:$

6-4-dut:$ redis-cli -n 0 hget LLDP_LOC_CHASSIS lldp_loc_sys_cap_supp
(nil)
6-4-dut:$
6-4-dut:$ p
6-4-dut:$ redis-cli -n 0 keys LLDP
(empty list or set)
6-4-dut:$ redis-cli -n 6 keys LLDP
(empty list or set)
6-4-dut:$

[ghost]

Please, can you format it with Markdown (https://guides.github.com/features/mastering-markdown/)? It's hard to read.

[samKDas]

We are getting the below Exception in snmp Subagent in PTF32 topology for which certain testcases are failing.
ERR snmp#snmp-subagent message repeated 13 times: [ [ax_interface] ERROR: MIBUpdater.start() caught an unexpected exception during update_data()#012Traceback (most recent call last):
#012File "/usr/local/lib/python3.6/dist-packages/ax_interface/mib.py", line 40, in start#012 self.reinit_data()#012File "/usr/local/lib/python3.6/dist-packages/sonic_ax_impl/mibs/ieee802_1ab.py", line 115, in reinit_data#012 self.loc_chassis_data[b'lldp_loc_sys_cap_supported'] =parse_sys_capability(self.loc_chassis_data[b'lldp_loc_sys_cap_supported']) #012TypeError: 'NoneType' object is not subscriptable]"

It is found that lldpd is running but the info is missing from the APPL_DB as shown below in the logs.

6-4-dut: docker exec -it lldp lldpcli show chassis
Local chassis:
Chassis:
ChassisID: mac 00:11:22:33:91:85
SysName: 6-4-dut
SysDescr: Debian GNU/Linux 9 (stretch) Linux 4.9.0-9-2-arm64
#1SMP Debian 4.9.168-1+deb9u5 (2015-12-19) aarch64
TTL: 120
MgmtIP: 10.8.235.30
Capability: Bridge, on
Capability: Router, on
Capability: Wlan, off
Capability: Station, off
6-4-dut: ps aux | grep lldp_syncd
root 5386 0.1 0.1 90288 13744 ? Sl 10:51 0:00 python2 -m lldp_syncd
admin 7203 0.0 0.0 4900 532 ttyS0 S+ 10:54 0:00 grep lldp_syncd
6-4-dut:
6-4-dut: redis-cli -n 0 hget LLDP_LOC_CHASSIS lldp_loc_sys_cap_supp
(nil)
6-4-dut:
6-4-dut:
6-4-dut: redis-cli -n 0 keys LLDP
(empty list or set)
6-4-dut: redis-cli -n 6 keys LLDP
(empty list or set)
6-4-dut:$