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Cisco Bug: CSCuq65083 - Quack authentication failure for some IMs with Renesas part

Last Modified

Jun 09, 2018

Products (1)

  • Cisco ASR 900 Series Aggregation Services Routers

Known Affected Releases

15.2(2)S

Description (partial)

Symptom:
Quack authentication fails for some of the legacy IMs with the below signature in cmcc logs:

08/11 21:13:07.185 [cmlib_util]: (note): Power enabled for IM 1
08/11 21:13:13.336 [cmcc]: (ERR): QUACK: Invalid Message Size: 79
08/11 21:13:13.338 [cmcc]: (ERR): QUACK: scc process command failed
08/11 21:13:13.338 [cmcc]: (ERR): i2c_scc_process_cmd failed
08/11 21:13:13.351 [cmcc]: (ERR): QUACK: Invalid Message Size: 13
08/11 21:13:13.353 [cmcc]: (ERR): QUACK: scc process command failed
08/11 21:13:13.353 [cmcc]: (ERR): i2c_scc_process_cmd failed
08/11 21:13:13.354 [cmcc]: (ERR): Authentication failed with the return value of 4:

Conditions:
Legacy IMs with quack chips of Renesas part.
This issue is seen with images of  RLS 3.5.x / 3.6.x / 3.7.x only and RLS 3.12.0.
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