cPanel httpd exited on signal 11

I have used FreeBSD-5.4 and cPanel, after upgrade apache from 1.3.34 to 1.3.36 i have an error:

May 24 11:26:00 dragon kernel: pid 19624 (httpd), uid 0: exited on signal 11 (core dumped)
May 24 11:27:29 dragon kernel: pid 24733 (httpd), uid 0: exited on signal 11 (core dumped)
May 24 11:28:33 dragon kernel: pid 31685 (httpd), uid 0: exited on signal 11 (core dumped)
May 24 11:28:39 dragon kernel: pid 31764 (httpd), uid 0: exited on signal 11 (core dumped)

[root@dragon /]# strings httpd.core | more
FreeBSD
httpd
httpd
FreeBSD
FreeBSD
rc/lib/csu/i386-elf/crtn.S,v 1.5 2002/05/15 04:19:49 obrien Exp $
IPAE
ovyP
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yNS'
IPAE
IPAE
IPAE
()<>@,;:\"/[]?=
IPAE
IPAE
IPAE
IPAE
IPAE
IPAE
IPAE
IPAE
IPAE
IPAE
IPAE
IPAE
S3(IPAE
IPAE
3(IPAE
IPAE
IPAE
/usr/local/apache
conf/httpd.conf
/usr/local/apache
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/
./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
.(N7
@n.(


I tried to google it and some of them said its hardware problem or application problem, any one can help about this ?

 

Thanks, for your explanation, its working if rebuilt to default config