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Cisco Bug: CSCvh57108 - CPUHOG on QoS statistics collection for DMVPN. QoS crash with DMVPN/NHRP.

Last Modified

Dec 11, 2019

Products (153)

  • Cisco IOS
  • Cisco Catalyst 3650-24TD-S Switch
  • Cisco Catalyst 3650-24PDM-E Switch
  • Cisco Catalyst 3850-48XS-E Switch
  • Cisco Catalyst 3650-48FQ-E Switch
  • Cisco ASR 920-10SZ-PD Router
  • Cisco Catalyst 3850-12S-E Switch
  • Cisco Catalyst 9410R Switch
  • Cisco Catalyst 3850-32XS-E Switch
  • Cisco Catalyst 9300-48U-A Switch
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Known Affected Releases

Everest-16.6.1

Description (partial)

Symptom:
CPUHOG, error logs reported while collecting QoS statistics for DMVPN:

%FMFP-3-OBJ_DWNLD_TO_DP_FAILED:  SIP0: fman_fp_image:  Batch type 1 ID {number}  download to DP failed

cpp_common_os / cpp_ifdb / cpp_qos_ea_lib reported in tracebacks:

%EVENTLIB-3-CPUHOG:  SIP0: cpp_cp_svr:  undefined: 1266ms, Traceback= ...
%CPPOSLIB-3-ERROR_NOTIFY:  SIP0: cpp_cp_svr:  cpp_cp encountered an error -Traceback= ...

%IOSXE-3-PLATFORM:  SIP0: cpp_cp_svr: QFP:0.0 Thread:000 TS:{number} %QOS-3-INVALID_STAT_QID: Stat Queuing error for interface DmvpnSpoke{number}, qid {number} vqid 0 -Traceback=1#038286b5a9fa2fdd600deb9b4c655892 804f2a9a 80500c08 803c9df2 800b1db4 8045e49c 8043cd22 8042cdc1 8042cc0e

May also observe a crash due to segmentation fault under qos_mon_periodic. The crash trigger is under the DMVPN/NHRP component.

Conditions:
Observed in DMVPN setup, NHRP pair.
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