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Cisco Bug: CSCvu94100 - 2921 running 15.7(3)M4b is having memory fragmentation issue

Last Modified

Jul 18, 2020

Products (1)

  • Cisco 2900 Series Integrated Services Routers

Known Affected Releases

15.7(3.0b)M4

Description (partial)

Symptom:
+Memory fragmentation:

show mem allo total
                Head    Total(b)     Used(b)     Free(b)   Lowest(b)  Largest(b)
Processor   3D9F2840   270255964   263352448     6903516     6499692        7612 <<<
      I/O    D000000    50331648    18592688    31738960    31413760    29881596
  Reserve   3F173A48     4456448       89744     4366704     4104524     4342704


+Below logs are observed:

000288: Jul  6 09:07:09.767: %VOICE_IEC-3-GW: H323: Internal Error (Socket error): IEC=<id1> on callID <id2> GUID=<id3>

+malloc failures:
060012: Jul  2 14:08:59.738: %SYS-2-MALLOCFAIL: Memory allocation of 5728 bytes failed from 0x3611A5A4, alignment 0
Pool: Processor  Free: 6989184  Cause: Memory fragmentation
Alternate Pool: None  Free: 0  Cause: No Alternate pool
 -Process= "AFW_application_process", ipl= 0, pid= 62

+Eventually ssh is not responding and calls not going through

Conditions:
+2921 running 15.7(3)M4b 

+Voice Gateway
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