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Cisco Bug: CSCvt29702 - Switch crashed due to memory leak in process PIM register asynchronous tunnel creation

Last Modified

Sep 18, 2020

Products (1)

  • Cisco Catalyst 9500 Series Switches

Known Affected Releases

16.9.3

Description (partial)

Symptom:
Switches in stackwise-virtual or standalone may crash after process PIM leaked memory


show process memory sort:
Processor Pool Total:  852816752 Used:  610960384 Free:  241856368
lsmpi_io Pool Total:    6295128 Used:    6294296 Free:        832

PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
   0   0  468962464  163658264  272306344          0          0 *Init*
 232   0 2171776480 1905242928  193490808      89936          0 PIM register asy   <<<<<


show process memory sort:
Processor Pool Total:  852816752 Used:  659954984 Free:  192861768
lsmpi_io Pool Total:    6295128 Used:    6294296 Free:        832

PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
   0   0  468962464  163658264  272247752          0          0 *Init*
 232   0 2568369752 2256128240  229055584      94556          0 PIM register asy   <<<



sho processes memory 232
Tracekey : 1#f1da890e5c87711941195972da2e7428
Process ID: 232
Process Name: PIM register asynchronous tunnel creation
Total Memory Held: 229055584 bytes

Processor memory Holding = 229055584 bytes
size =  90512608, count = 17928, pc = :AAADE08000+44DD474
size =  37863936, count = 17928, pc = :AAADE08000+231CCDC
size =  36435488, count = 17928, pc = :AAADE08000+44DD4C4
size =  16213848, count = 17928, pc = :AAADE08000+77C24E4
size =  11366632, count = 17928, pc = :AAADE08000+326AC0C
size =  11047784, count = 17928, pc = :AAADE08000+4507494
size =   7791328, count = 17928, pc = :AAADE08000+326B4F4
size =   5233640, count = 17928, pc = :AAADE08000+73B6740
size =   4115552, count = 17928, pc = :AAADE08000+61C1BD0
size =   3642960, count = 17928, pc = :AAADE08000+77C2508
size =   3472664, count = 17928, pc = :AAADE08000+6304A2C
size =    874336, count =  307, pc = :AAADE08000+44CE7FC
size =    301280, count =  140, pc = :AAADE08000+8C9CFC8
size =    123776, count =  307, pc = :AAADE08000+44CE844
size =     43192, count =    1, pc = :AAADE08000+1DFDB54
size =     10096, count =    1, pc = :AAADE08000+78C1EA4

Conditions:
stackwise-virtual or standalone
normal operation with PIM enabled
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