----- Original Message -----
From: jan gestre
To: Philippine Linux Users' Group (PLUG) Technical Discussion List
Sent: Tuesday, April 24, 2007 8:11 AM
Subject: [plug] httpd daemon died for unknown reasons
hi guys,
one of our web server httpd daemon died unexpectedly, when i checked on the
error logs i found lots of these:
[Fri Apr 20 15:03:44 2007] [notice] child pid 16060 exit signal
Segmentation fault (11)
[Fri Apr 20 15:03:45 2007] [notice] child pid 16053 exit signal
Segmentation fault (11)
signal 11 or segmentation violation/fault is a process trying to access
certain part of the memory that doenst allocated by that process... the
kernel sends a signal 11 to that process (kill -11 <process id>) and the
default action is to create a core image and terminate that process...
if you can find the core image of processes 16053 and 16060.. you can
analyze it what went wrong...
[Fri Apr 20 15:06:15 2007] [error] Cannot remove module mod_auth_anon.c:
not found in module list
[Fri Apr 20 15:06:15 2007] [error] Cannot remove module mod_auth.c: not
found in module list
[Fri Apr 20 15:06:15 2007] [error] Cannot remove module mod_access.c: not
found in module list
apache is trying to remove modules auth_anon, auth and access but cannot
remove it because it is not found on its module list...
more likely your httpd daemon (the child process that forks from the parent
httpd) is the one dying because of the segmentation fault...
fooler.
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