F9: http error_log issues

Daniel B. Thurman dant at cdkkt.com
Wed May 6 14:59:31 UTC 2009


g wrote:
> Daniel B. Thurman wrote:
>   
>> 1) Why is there a core dump?  Where can I find the file and how
>>      can I determine why httpd is core dumping?
>>     
> message is that core dump size has been raised, not that there is an
> actual core dump.
>
> you will get a core dump when something goes wrong and can not continue.
> see 'man core'.
>
> run 'sudo find / -name core -print|sort>00-core.0001' to save to a file
> for viewing to see if you have any core dumps.
>
> a file will have a name of 'core' and may be rather large. by using
> 'ls -l /path/to/dump/core' and 'file /path/to/dump/core'  will tell you
> if it is a core dump
>
> disregard names found in;
>  /dev/core
>  /lib/modules/*
>  /proc/sys/net/core
>  /usr/java/jdk*
>   
>> 2) Is it normal for httpd to be running as unconfined_u ?
>>     
>
> http://docs.fedoraproject.org/selinux-user-guide/f10/en-US/sect-Security-Enhanced_Linux-Targeted_Policy-Unconfined_Processes.html
>
> google 'unconfined_u' for more
>> 3) Why is avahi causing a D-BUS error?
>>     
> good question. from /var/log try;
>
>  sudo grep -i d-bus *|less
>  sudo grep -i avahi *|less
>
> and look for messages with times corresponding to when
> '/var/log/httpd/error_log' shows errors.
>
> for help with avahi, you can find what is in doc and man with;
>
> 'locate avahi|grep man' and 'locate avahi|grep doc'
>
> hth.
>   
(3) Avahi Issues:

It always happens when I (re)start httpd:
==================================
/var/log/httpd/error_log-20090503:[Sat May 02 21:59:22 2009] [error] 
avahi_clien
t_new() failed: An unexpected D-Bus error occured
==================================


Perhaps therein lies the problem below?

How does one test Avahi integrity, without being forced to reinstall
avahi and *many* other dependencies?
==================================
/var/log/prelink/prelink.log:/usr/lib/libavahi-common.so.3.5.  
000d1a000-00d25d50
/var/log/prelink/prelink.log:/usr/lib/libavahi-client.so.3.2.4     
00aa9000-00ab8440
/var/log/prelink/prelink.log:/usr/lib/libavahi-gobject.so.0.0.0  
00ada000-00ae3694
/var/log/prelink/prelink.log:/usr/lib/libavahi-core.so.5.0.4       
006d3000-00708dd8
/var/log/prelink/prelink.log:/usr/lib/libavahi-qt3.so.1.0.1        
001d9000-001dde78
/var/log/prelink/prelink.log:/usr/lib/libavahi-ui.so.0.1.0          
00817000-00822690
/var/log/prelink/prelink.log:/usr/lib/libavahi-glib.so.1.0.1       
00a96000-00a991d4
==================================

Dan




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