Getting blank page when open my website after that check in apache error.log file showing below error,


tail –f /usr/local/apache/logs/error.log

[Sat Jun 21 13:21:18 2014] [notice] child pid 26838 exit signal Segmentation fault (11)
[Sat Jun 21 13:21:19 2014] [notice] child pid 26867 exit signal Segmentation fault (11)
[Sat Jun 21 13:21:20 2014] [notice] child pid 26896 exit signal Segmentation fault (11)
[Sat Jun 21 13:21:21 2014] [notice] child pid 26929 exit signal Segmentation fault (11)
[Sat Jun 21 13:21:22 2014] [notice] child pid 26958 exit signal Segmentation fault (11)


Check the httpd process using ps command


ps -ef | grep httpd

root       420     1  0 13:24 ?        00:00:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody     425   420  0 13:24 ?        00:00:00 /usr/local/apache/bin/httpd -k start -DSSL
root       432   420  0 13:24 ?        00:00:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody   19828   420  1 13:32 ?        00:00:01 /usr/local/apache/bin/httpd -k start -DSSL
nobody   19940   420  2 13:32 ?        00:00:01 /usr/local/apache/bin/httpd -k start -DSSL
nobody   20725   420  2 13:33 ?        00:00:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody   20805   420  2 13:33 ?        00:00:00 /usr/local/apache/bin/httpd -k start -DSSL
root     21137 25443  0 13:33 pts/0    00:00:00 grep --color httpd

How to solved it ?

gdp one of the httpd child processes, reload or wait for a crash. Now the process id is 20805.
# sudo  gdb 

GNU gdb (GDB) Red Hat Enterprise Linux (7.2-50.el6)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.

(gdb) attach 20805

Attaching to process 20805

--
--
(gdb) c

Continuing.
[Thread 0x7f9aa65f6700 (LWP 20822) exited]

Program exited normally.

(gdb) backtrace
No stack.

(gdb) backtrace full
No stack.

(gdb) quit