NewsCache - coredump - A Short Guide
		      ====================================

							   Author Herbert Straub
						  e-mail: herbert@linuxhacker.at
								Date: 2004-06-10

1) Compiling Newscache with --enable-debug
------------------------------------------

./autogen
./configure --prefix=/usr --sysconfdir=/etc --enable-debug
make
su -c 'make install'



2) Run NewsCache as root
------------------------

Core Dumps are only written, if the process run under root. You have to modify
the /etc/newscache.conf file, parameter: User, Group



2) Starting daemon with ulimit -c unlimited
-------------------------------------------

Next modify the NewsCache startup script (/etc/init.d/newscache) and add the
following line (before the daemon start line):

ulimit -c unlimited



3) Wait for the coredump
------------------------

If the NewsCache process crashes with segfault (example), then you should find
in the newscache spool directory the coredump file.


4) Analyse
----------------

gdb /usr/sbin/newscache
(gdb) core /var/cache/newscache/coredump
(gdb) bt

Then you should see the stacktrace. Send this to newscache@linuxhacker.org.