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Cisco Bug: CSCun46786 - SCH3:memory leak @ cmts_dsg_information_db_add on RP

Last Modified

Jan 30, 2017

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases

12.2(33)SCH2

Description (partial)

Symptom:
One chunk memory leakage entry is observed on a test bed, as below,

at-10k-l04-stby#sh mem deb le ch
Adding blocks for GD...
Address    Size   Alloc_pc  PID  Alloc-Proc       Name
D37D3DA4      120 405FB780  71   CR10K HA chkpt  CMTS DSG Information DB

[xiaowshe@creg2-okrun 122-33.1.19.SCH]$ rsym ubr10k4-k9p6u2-mz.122-33.1.19.SCH.symbols.gz
Uncompressing and reading ubr10k4-k9p6u2-mz.122-33.1.19.SCH.symbols.gz via zcat
ubr10k4-k9p6u2-mz.122-33.1.19.SCH.symbols.gz read in
Enter hex value: 405FB780
0x405FB780:cmts_dsg_information_db_add(0x405fb468)+0x318e

Conditions:
The actual triggering condition is not known. It's suspected to be related to 'config replace' operation, with frequent DSG classifier symbolic IP DNS mapping changes, which rarely occurs in actual deployment.
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