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New Member

CPU Background waiting proccess

Good evening!

My c3750 switchs cpu utilization is 100%. In the cpu proccess list I see a proccess named Background waiting and it consumes 92%.

Can anyone tell me please what proccess is it and what is it responsible for?

13 REPLIES
New Member

Re: CPU Background waiting proccess

It didnt help, unfortunately

New Member

Re: CPU Background waiting proccess

Could you please paste the dump sh proc cpu?

New Member

Re: CPU Background waiting proccess

186160545 1607551 115808 92.53% 92.70% 92.46% 0 Background waiti

This is what I got on proccess cpu

New Member

Re: CPU Background waiting proccess

mmm We also have 3750's but none of these processes. Could you post sh version

New Member

Re: CPU Background waiting proccess

Cisco IOS Software, C3750ME Software (C3750ME-I5K91-M), Version 12.2(35)SE2, REL

EASE SOFTWARE (fc1)

Copyright (c) 1986-2007 by Cisco Systems, Inc.

Compiled Tue 06-Feb-07 05:20 by antonino

Image text-base: 0x00003000, data-base: 0x01676984

ROM: Bootstrap program is C3750 boot loader

BOOTLDR: C3750ME Boot Loader (C3750ME-HBOOT-M) Version 12.1(14r)AX, RELEASE SOFT

WARE (fc1)

New Member

Re: CPU Background waiting proccess

There is a new IOS (12.2.44-SE2 (ED)) try to upgrade the IOS. We had a problem with SXH2a on a 6500 with high CPU and reboots. The IOS upgrade solved it.

New Member

Re: CPU Background waiting proccess

I was going to upgrade it, just wanted to know if upgrading is the only option in this case. Thank you anyway

New Member

Re: CPU Background waiting proccess

The issue is still there. I have upgraded the IOS, but CPU utilization is stil 100% due to some Background process..

Desperately need help ))

New Member

Re: CPU Background waiting proccess

I suggest opening a TAC.

Re: CPU Background waiting proccess

Most likely a hardware issue - I think the box will need to be replaced. Open a TAC case.

Cisco Employee

CPU Background waiting proccess

Same here!

c3750#sh proc cpu  sort

CPU utilization for five seconds: 100%/0%; one minute: 99%; five minutes: 92%

PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process

254      753660        3591     209874 94.06% 92.18% 86.01%   0 Background waiti

c3750#sh ver

Cisco IOS Software, C3750ME Software (C3750ME-I5K91-M), Experimental Version 15.0(20110613:225719) [hxu2-dsbu7_150_1_1_SE_build 106]

Copyright (c) 1986-2011 by Cisco Systems, Inc.

Compiled Wed 15-Jun-11 22:14 by hxu2

ROM: Bootstrap program is C3750 boot loader

BOOTLDR: C3750ME Boot Loader (C3750ME-HBOOT-M) Version 12.1(14r)AX, RELEASE SOFTWARE (fc1)

Times out on tftp'ing the new image.

New Member

CPU Background waiting proccess

Well, I got the same problem on a

ME-C3750-24TE-M running

c3750me-i5k91-mz.122-58.SE2.bin

would be nice to hear of someone who's got this problem solved .. i'm quite clueless...

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