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Cisco Bug: CSCvv46753 - Changes in one MD may have an effect in all CM of the line card

Last Modified

Sep 28, 2020

Products (1)

  • Cisco cBR Series Converged Broadband Routers

Known Affected Releases

Gibraltar-16.10.1

Description (partial)

Symptom:
CPU usage of PKTIO was high, After shutdown, there were lots of logs in cdman tracefile, especially the DTP related.

From the logs
%UBRCCE_CDM_INFRA-3-TEST_FAIL_ERR: CLC2: cdman: CDM_PT_PUNT_INJECT_TEST SANITY TEST FAILED, COUNT: 14
%UBRCCE_CDM_INFRA-3-TEST_FAIL_ERR: CLC2: cdman: CDM_PT_PKOPKI_SENDRCV_TEST SANITY TEST FAILED, COUNT: 15

From Tracelogs
2020/08/04 04:25:06.555 {cdman_1-0}{1}: [cdman_docsis_dtp] [7280]: UUID: 0, ra: 0, TID: 0 (ERR): (pkio 18136725402758073) cmts_dtp_reg_cm: MD#2 CM_SID 3593 CM does not support DTP-slave mode
2020/08/04 04:25:06.555 {cdman_1-0}{1}: [cdman_docsis_dtp] [7280]: UUID: 0, ra: 0, TID: 0 (ERR): (pkio 18136725402760938) cmts_dtp_pktio_handle_ipc_event: failed REG_CM
2020/08/04 04:25:06.555 {cdman_1-0}{1}: [cdman_docsis_dtp] [7280]: UUID: 0, ra: 0, TID: 0 (ERR): (pkio 18136725402768691) cmts_dtp_reg_cm: MD#2 CM_SID 4847 CM does not support DTP-slave mode
2020/08/04 04:25:06.555 {cdman_1-0}{1}: [cdman_docsis_dtp] [7280]: UUID: 0, ra: 0, TID: 0 (ERR): (pkio 18136725402770000) cmts_dtp_pktio_handle_ipc_event: failed REG_CM

Slow CLI response

Conditions:
Version 16.10.1d
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