xcvrd crashes while parsing QSFP-DD fields

[aravindmani-1]

Issue:
xcvrd crashes while parsing QSFP-DD connector type.

Crash trace:
Jul 7 19:18:00.577779 str-DellEmc-z9332f-032 INFO pmon#syseepromd[45]: Starting up...
Jul 7 19:18:00.910456 str-DellEmc-z9332f-032 INFO pmon#/supervisord: message repeated 3 times: [ pcied Platform PCIe Configuration file doesn't exist!]
Jul 7 19:18:00.910586 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd Traceback (most recent call last):
Jul 7 19:18:00.910656 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/bin/xcvrd", line 8, in
Jul 7 19:18:00.910722 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd sys.exit(main())
Jul 7 19:18:00.910789 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/xcvrd/xcvrd.py", line 1416, in main
Jul 7 19:18:00.910858 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd xcvrd.run()
Jul 7 19:18:00.910920 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/xcvrd/xcvrd.py", line 1364, in run
Jul 7 19:18:00.910989 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd self.init()
Jul 7 19:18:00.911059 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/xcvrd/xcvrd.py", line 1327, in init
Jul 7 19:18:00.911125 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd post_port_sfp_dom_info_to_db(is_warm_start, self.stop_event)
Jul 7 19:18:00.911193 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/xcvrd/xcvrd.py", line 500, in post_port_sfp_dom_info_to_db
Jul 7 19:18:00.911258 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd post_port_sfp_info_to_db(logical_port_name, int_tbl[asic_index], transceiver_dict, stop_event)
Jul 7 19:18:00.911326 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/xcvrd/xcvrd.py", line 292, in post_port_sfp_info_to_db
Jul 7 19:18:00.911394 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd port_info_dict = _wrapper_get_transceiver_info(physical_port)
Jul 7 19:18:00.911461 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/xcvrd/xcvrd.py", line 163, in _wrapper_get_transceiver_info
Jul 7 19:18:00.911531 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd return platform_chassis.get_sfp(physical_port).get_transceiver_info()
Jul 7 19:18:00.911598 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/sonic_platform/sfp.py", line 542, in get_transceiver_info
Jul 7 19:18:00.911665 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd connector = self._get_eeprom_data('connector')
Jul 7 19:18:00.911733 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/sonic_platform/sfp.py", line 392, in _get_eeprom_data
Jul 7 19:18:00.911801 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd eeprom_data_raw, 0)
Jul 7 19:18:00.911867 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/sonic_platform_base/sonic_sfp/qsfp_dd.py", line 221, in parse_connector
Jul 7 19:18:00.911933 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd return sffbase.parse(self, self.connector, connector_data, start_pos)
Jul 7 19:18:00.911998 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/sonic_platform_base/sonic_sfp/sffbase.py", line 186, in parse
Jul 7 19:18:00.912065 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd outdict = self.parse_sff(eeprom_map, eeprom_data, start_pos)
Jul 7 19:18:00.912143 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/sonic_platform_base/sonic_sfp/sffbase.py", line 158, in parse_sff
Jul 7 19:18:00.912233 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd meta_data, start_pos)
Jul 7 19:18:00.912324 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/sonic_platform_base/sonic_sfp/sffbase.py", line 127, in parse_sff_element
Jul 7 19:18:00.912395 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd offset, size)
Jul 7 19:18:00.912465 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd File "/usr/local/lib/python3.7/dist-packages/sonic_platform_base/sonic_sfp/qsfp_dd.py", line 49, in decode_connector
Jul 7 19:18:00.912533 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd return connector_dict[connector_id]
Jul 7 19:18:00.912603 str-DellEmc-z9332f-032 INFO pmon#/supervisord: xcvrd KeyError: 'ff'
Jul 7 19:18:00.939018 str-DellEmc-z9332f-032 INFO pmon#supervisord 2021-07-07 19:18:00,938 INFO exited: xcvrd (exit status 1; not expected)
Jul 7 19:18:01.651780 str-DellEmc-z9332f-032 NOTICE pmon#psud[44]: PSU absence warning cleared: PSU 1 is inserted back.

root@str-DellEmc-z9332f-032:~$ show ver

SONiC Software Version: SONiC.20201231.06
Distribution: Debian 10.10
Kernel: 4.19.0-12-2-amd64
Build commit: 959975cede
Build date: Sat Jun 26 15:08:56 UTC 2021
Built by: sonicbld@new-worker-20

Platform: x86_64-dellemc_z9332f_d1508-r0
HwSKU: DellEMC-Z9332f-C32
ASIC: broadcom
ASIC Count: 1
Serial Number: TH04CN21CET0004K0098
Uptime: 21:53:48 up 1:51, 3 users, load average: 0.30, 0.27, 0.27

[aravindmani-1]

#206 fixes this issue.