High CPU of 6509 Module-WS-X6704-10GE-urgent

Unanswered Question
Nov 30th, 2009

Hi ,

One fo the module in 6509 showing me contineous 100% utilization .

Can anybody help to sort out the issue.Sh process cpu and sh process cpu histry attached.

I have this problem too.
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Giuseppe Larosa Tue, 12/01/2009 - 00:41

Hello Gajananga,

the process that uses most resources is :

>> 2307    95.5%   99.0%    99.3% ios-base

This should be a SW bug.

What IOS image is running on the device?

Hope to help


gajanangavli Tue, 12/01/2009 - 01:28


Thanks for yor reply.

sh module 2
Mod MAC addresses                       Hw    Fw           Sw           Status
--- ---------------------------------- ------ ------------ ------------ -------
  2  ---------------------------------------------   2.6   12.2(14r)S5  12.2(33)SXH1 Ok

sh ver | in boot
System image file is "bootdisk:s72033-ipbasek9-vz.122-33.SXH1.bin"

Giuseppe Larosa Tue, 12/01/2009 - 06:56

Hello Gajananga,

I couldn't find a direct bug id that matches but I remember in other threads  that a bug related to process ios-base had been mentioned in modular IOS and this could apply to your case

A somewhat similar bug is the following:

Crash in ios-base when running 'show ip route' or 'show bgp' commands


A Cat6K running modular IOS version 12.2(33)SXI may crash when running 'sh ip route vrf ..' or 'show bgp ..' commands.


Must be running modular IOS. Not seen in non-modular



in your case there is no crash but cpu is very high.

Hope to help


catalindominte Tue, 12/01/2009 - 08:38


We were adivsed not to use SXH version, as it has some memory leaking problems. Maybe this is what happends in your case.

What is the switching engine CPU usage:

remote command switch show proc cpu | e 0.00


gajanangavli Tue, 12/01/2009 - 20:06

Hi ,

Can change in IOS help me ?

Find the reqired output of below command.

show proc cpu | e 0.00

CPU utilization for five seconds: 100%; one minute: 100%; five minutes: 100%
PID      5Sec    1Min    5Min Process
1        2.2%    0.7%    0.5% kernel
12307    99.1%  99.3%    99.3% ios-base

Giuseppe Larosa Wed, 12/02/2009 - 04:49

Hello Gajaganga,

>> Can change in IOS help me ?

yes, the question becomes what IOS image to load  use an SXH5 or move to SXI if available in modular

Hope to help



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