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From Jeff Trawick <traw...@gmail.com>
Subject Re: apr 1.4.4 breaks mod_jk
Date Tue, 17 May 2011 21:52:19 GMT
On Tue, May 17, 2011 at 5:33 PM, Mike Jakubik
<mike.jakubik@intertainservices.com> wrote:
> Hello,
>
> I have recently discovered while updating my apache22 installation and
> subsequently apr1 from 1.4.2 to 1.4.4 that mod_jk now causes the apache
> server to consume 100% cpu and become unresponsive. I have tried recompiling
> mod_jk with the new apr but that did not help. Below is my environment
> information.

you updated Apache 2.2.x from 2.2.what to 2.2.what?

(you updated apr 1.4.2 to 1.4.4)

>
> PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU COMMAND
> 11241 www           1 114    0 61492K 11200K CPU0    0   0:53 78.96%
httpd
> 11237 www           1 110    0 61492K 11276K RUN     1   0:40 66.26%
httpd
> 11238 www           1 108    0 61492K 11276K RUN     0   0:50 56.05%
httpd

get syscall trace of high cpu process?
attach with debugger, find callstacks, let it run a while, get
callstacks again, see if there are threads that didn't make useful
progress?

>
> Process takes up all resources and is unresponsive, no errors are logged.

happens immediately, gradually, immediately after some unknown event occurs?

> Removing mod_jk from apache solves the problem.
>
> FreeBSD staging.local 8.2-STABLE FreeBSD 8.2-STABLE #0: Thu Mar  3 17:32:06
> EST 2011     root@staging.local:/usr/obj/usr/src/sys/STAGING  amd64
> Apache/2.2.18 (FreeBSD) mod_jk/1.2.31 PHP/5.3.6 with Suhosin-Patch
> mod_ssl/2.2.18 OpenSSL/0.9.8q
>
> Thanks.
>
>



-- 
Born in Roswell... married an alien...

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