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Cisco Bug: CSCuw21844 - pifibm_server_lc memory leak on show lpts pifib hardware entry

Last Modified

Jul 20, 2018

Products (8)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases

4.2.3.BASE 4.3.4.BASE 5.3.1.BASE

Description (partial)

Symptom:
pifibm_server_lc memory leak

---------------------
RP/0/RSP0/CPU0:ASR9K#show processes memory detail location 0/0/CPU0
Fri Sep  4 09:02:01.221 jst
JID    Text       Data       Stack      Dynamic    Dyn-Limit  Shm-Tot    Phy-Tot    Process
284          104K        48K        36K       257M       300M        25M       257M  pifibm_server_lc

RP/0/RSP0/CPU0:ASR9K#show processes memory detail location 0/0/CPU0
Sat Sep  5 09:00:22.329 jst
JID    Text       Data       Stack      Dynamic    Dyn-Limit  Shm-Tot    Phy-Tot    Process
284          104K        48K        36K       298M       300M        25M       298M  pifibm_server_lc
---------------------

Conditions:
[Platform]  asr9k (this issue is not seen on CRS)
[Linecard] trident, typhoon, tomahawk

[Steps]
When we continue to perform any of  the following cli, memory leak was seen in pifibm_server_lc process.
  - show lpts pifib hardware entry location <LC>
  - show lpts pifib hardware entry statistics location <LC>
  - show lpts pifib hardware entry type ipv4 statistics location <LC>

The following cli does not lead memory leak.
  - show lpts pifib hardware police location <LC>
  - show lpts pifib entry brief statistics location <LC>
  - show lpts ifib entry brief statistics
  - show lpts ifib slices statistics
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