Cisco Bug: CSCup33853 - CPUHOG @snmp seen at system boot up phase
Jan 30, 2017
- Cisco uBR10000 Series Universal Broadband Routers
Known Affected Releases
Symptom: With the image "ubr10k5-k9p6u2-mz.122-32.8.2.SCI" and dual PRE5, below cpuhog is observed during the system boot up phase: 006416: *Jun 12 07:26:13.660: %SYS-3-CPUHOG: Task is running for (2000)msecs, more than (2000)msecs (393/392),process = SNMP ENGINE. -Traceback= F7678C4 F767A68 E5290C4 F7E3318 10C4A5E8 10C4F474 FC29488 FBFAA0C FBE6BB0 FC181A0 F1465C8 F13B3A0 006417: *Jun 12 07:26:13.708: %SNMP-3-CPUHOG: Processing GetNext of docsIfCmtsUpChannelCounterEntry.2 %SYS-3-CPUHOG: Task is running for (2000)msecs, more than (2000)msecs (29/28),process = SNMP ENGINE. -Traceback= 10F62664 F77333C F778794 10FD2A14 F767A4C E5290C4 F7E3318 10C492E0 10C4A5D0 10C4F474 FC29488 FBFAA0C FBE6BB0 FC181A0 F1465C8 F13B3A0 Conditions: With the image "ubr10k5-k9p6u2-mz.122-32.8.2.SCI" and dual PRE5, when system bootup with snmp server continue polling all snmp tables ,some times ,this CPU HOG may happen. when polling several tables such as docsBpi2CmtsIpMulticastMapEntry docsBpi2CmtsTEKEntry docsIfCmtsUpChannelCounterEntry may easily reproduce this issue.
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