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Cisco Bug: CSCur90546 - qos_mon_periodic processes getting spawned without any configs

Last Modified

Jan 16, 2019

Products (104)

  • Cisco IOS
  • Cisco 892W Integrated Services Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco 812 CiFi Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 898 Secure G.SHDSL EFM/ATM with Multi-Mode 4G LTE ISR Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 861W Integrated Services Router
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Known Affected Releases

15.5(1)T 15.5(1)T0.2 15.5(1)T1.2 15.5(2)S

Description (partial)

Memory leak in QoS process: qos_mon_periodic

It will consistently increase "Holding" value exhausting available memory for other processes:

------------------ show process memory ------------------

Processor Pool Total:  219882976 Used:  219747748 Free:     135228
      I/O Pool Total:  134217728 Used:  101889348 Free:   32328380

 PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
365   0  190997108          0  191004404          0          0        qos_mon_periodic

No specific conditions need to be met.

Related Community Discussions

IOS ルータ、 IOS-XE ルータで qos_mon_periodic プロセスでメモリリークが発生する
2016年7月29日(初版) TAC SR Collection 主な問題 IOSルータ、 IOS-XEルータにおいて、 設定、条件にかかわらず、qos_mon_periodic プロセスにて、メモリリークが発生することがあります。 メモリリークが発生していることは、qos_mon_periodic プロセスのメモリ使用状況を確認するコマンド、show process memory sorted を実行し、 出力内容が以下のようになることから確認できます。  Router#show process memory sorted Processor Pool Total:  219882976 Used:  219747748 Free:     135228       I/O Pool Total:  134217728 Used:  101889348 Free:   32328380  PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process 365   0  190997108          0 ...
Latest activity: Jul 29, 2016
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