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Cisco Bug: CSCvh66744 - ME3600X Crashes when polling cbQosQueueingStatsEntry

Last Modified

Sep 16, 2019

Products (1)

  • Cisco ME 3600X Series Ethernet Access Switches

Known Affected Releases

15.4(3)S4.1

Description (partial)

Symptom:
An ME3600X running 15.4(3)S4 crashed when polling cbQosQueueingStatsEntry.

*************************
** Decoded Stack Trace **
*************************

1: 0x2CF8F24 nq_hqm_is_node_marked + 0xc8
2: 0x2CEAA50 nqm_qmm_pial_get_subtree_stats + 0x190
3: 0x2CED224 nqm_snmp_queueing_get + 0x7f0
4: 0x2CED53C nqm_queueing_snmp_get + 0xfc
5: 0x0377EC4 k_call_reg_for_info + 0x110
6: 0x0378BBC k_cbQosQueueingStatsEntry_get_impl + 0x16c
7: 0x0372C58 k_cbQosQueueingStatsEntry_get + 0x7c
8: 0x037528C cbQosQueueingStatsEntry_get + 0xe8
9: 0x1ADFC74 GetNextObjectInstanceCore + 0x24c
10: 0x1AAF48C do_response + 0x1d0
11: 0x1A9C450 SrDoSnmp + 0xee0
12: 0x1ACDAD0 local_snmp_engine + 0x1dc
13: 0x3BC9130 ppc_process_dispatch + 0x24
14: 0x3BC4370 process_execute + 0x228

There are no CPU hogs or memory errors prior to the crash. Please see GDB analysis attached.

Conditions:
Must be polling cbQosQueueingStatsEntry, further conditions are to be determined.
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