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Cisco Bug: CSCur10995 - low memory due to IPC mesh stuck under stress condition

Last Modified

Mar 07, 2018

Products (1)

  • Cisco 2900 Series Integrated Services Routers

Known Affected Releases

15.4(3)M

Description (partial)

Symptom:
Low memory condition and error message appearing continously every few seconds on the console.

*Oct  1 2014 18:54:36.095 UTC: %SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for CENT CFT RC FO. No memory available -Process= "Chunk Manager", ipl= 6, pid= 1
-Traceback= 5AED294z 40077FCz 4E7878Cz 4E5F688z
*Oct  1 2014 18:54:46.094 UTC: %SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for CENT CFT RC FO. No memory available -Process= "Chunk Manager", ipl= 6, pid= 1
-Traceback= 5AED294z 40077FCz 4E7878Cz 4E5F688z
*Oct  1 2014 18:54:56.094 UTC: %SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for CENT CFT RC FO. No memory available -Process= "Chunk Manager", ipl= 6, pid= 1
-Traceback= 5AED294z 40077FCz 4E7878Cz 4E5F688z
*Oct  1 2014 18:55:02.842 UTC: %SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x401DF68, alignment 0 
Pool: Processor  Free: 14581324  Cause: Memory fragmentation 
Alternate Pool: None  Free: 0  Cause: No Alternate pool 
 -Process= "Chunk Manager", ipl= 6, pid= 1
-Traceback= 5AED294z 400A3C0z 4011068z 401DF6Cz 40076E8z 4E7878Cz 4E5F688z
*Oct  1 2014 18:55:06.098 UTC: %SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for CENT CFT RC FO. No memory available -Process= "Chunk Manager", ipl= 6, pid= 1
-Traceback= 5AED294z 40077FCz 4E7878Cz 4E5F688z

Conditions:
With large number of channels, under extreme condition where the channels flaps continuously every 10 seconds over a long period of time.
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