This is expected behaviour.
> I met some SIGHUP problem for my httpd-2.2.14 version. To verify this
> problem, I use a clean 2.2.14 version, and configure it with:
> CFLAGS="-O0 -g" ./configure --prefix=/home/tianwei/apache/install/
> after installing,
> in gdb:
> (gdb) file bin/httpd
> Reading symbols from /home/tianwei/apache/install/bin/httpd...done.
> (gdb) r -X -k start
> then use ab to test it:
> tianwei@tianwei:~/apache/install$ ./bin/ab -n 10000 http://localhost/
> but after this testing, I receive the following error in gdb:
> Program received signal SIGHUP, Hangup.