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Cisco Bug: CSCtd10534 - fmanrp_install_isg_drl_feature on SSM connection manager hog cpu

Last Modified

May 13, 2010

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

12.2(33)XNF

Description (partial)

Symptom:

When churn 16K PPPoE sessions, the console log sometimes will show the SSM connection manager hog the cpu with the following traceback.

%ASR1000_INFRA-5-IOS_INTR_OVER_LIMIT: IOS thread disabled interrupt for 16 msec
-Traceback= 1#0c8d6cc9f41c9300590deae451363e19  :400000+D1A6A9 :400000+4043559 :400000+40442F7 :400000+CF881B :400000+F55AD4 :400000+F5B548 :400000+3FBCB8F :400000+3FABA4A :400000+21E5027 :400000+21F2AB2 :400000+4F296E5 :400000+4F2960F :400000+21F381E :400000+21F4146 :400000+21DF9BB :400000+21DF828
*Nov  9 06:10:45.027: %ASR1000_INFRA-5-IOS_INTR_HISTORY: [11|0] [3:0] [0->2] ra[ l* 0x28EBB02 l* 0x28EBAAC ] -Process= "SSM connection manager", ipl= 0, pid= 134
*Nov  9 06:10:45.027: %ASR1000_INFRA-5-IOS_INTR_HISTORY: [11|1] [2:0] [2->0] ra[ l* 0x28EBC01 l* 0x28EBAAC ] -Process= "SSM connection manager", ipl= 0, pid= 134


Conditions:

The UUT is under heavy PPPoe sessions up and down.
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