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From "DJP JEAN-PROST Dominique" <djeanpr...@sofaxis.com>
Subject [users@httpd] httpd killed by signal 11
Date Wed, 03 Dec 2003 08:38:19 GMT
Hello,

I'm currently trying to setup apache 2.0.46 to proxy HTTP request to
weblogic server 6.1sp4. I'm using bea plugin mod_wl_20.so, and I want to use
SSL between apache and weblogic (by the way, I also use SSL between client
and apache).
Apache is running on mandrake 9.1 with security level to minimum, and
weblogic is running on a w2k pro machine. I use openssl0.9.7a. I recompiled
apache with these parameters :
CFLAGS="-DSSL_EXPERIMENTAL_ENGINE";export CFLAGS
./configure --enable-so --enable-ssl --enable-rewrite --enable-proxy --disab
le-status --disable-autoindex --disable-cgi --disable-imap --with-ssl=/usr/i
nclude/openssl


I think my configuration is quite standard.
While running, I discovered that a lot of httpd process keep on beeing
killed with signal 11. These process are then restarted which cause a
certain load on the machine and that makes the whole process (managing a
client HTTP request) very slow. I have to say that if I use directly
weblogic bypassing apache, the slowness disappears.


Here is an excerpt of /usr/local/apache2/logs/http_error log :
Signal 11 caught by ps (procps version 3.1.6).
Please send bug reports to <acahalan@cs.uml.edu <mailto:acahalan@cs.uml.edu>>
sh: line 1: /usr/bin/w: Permission denied
/proc/net/route: Permission denied
ne peut ouvrir /proc/net/snmp: Permission denied
Warning: cannot open /proc/net/dev (Permission denied). Limited output.
ls: /etc: Permission denied
ls: /tmp: Permission denied

Here is now an excerpt of /var/logs/kernel/errors :
...
Nov 18 10:15:53 geronimo kernel: grsec: time set by (hwclock:23706) UID(0)
EUID(0)
, parent (rc.sysinit:28364) UID(0) EUID(0)
Nov 19 06:21:40 geronimo kernel: grsec: signal 11 sent to (ps:218)
UID(65534) EUID
(65534), parent (httpd:26084) UID(65534) EUID(65534)
...

I searched the whole internet to find a solution, and I didn't find one.
I really hope gurus reading this newsgroup will be able to help me.

Regards,

Dom

PS: needless to say I can give my httpd.conf and ssl.conf, but I don't know
if I can give it in this newsgroup.




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