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From Axel-Stéphane SMORGRAV <Axel-Stephane.SMORG...@europe.adp.com>
Subject [users@httpd] RE : [users@httpd] RE : Apache 2.0.51 - Mutex Lock Problem
Date Thu, 18 Nov 2004 16:59:12 GMT
Below is my original mail about the problem, including the details of the Apache build and
modules included.

I do use SSL and have tried both 
SSLSessionCache         dbm:%%SERVER_ROOT%%/logs/ssl_scache
and
SSLSessionCache         shm:%%SERVER_ROOT%%/logs/ssl_scache

I do not use mod_security, but I do use Netegrity's libmod_sm20.so. Since you have the same
problem w/o the Netegrity modules, I think we can rule it out. Other than that I have absolutely
no idea about what causes this error...

-ascs


--------------
Is the following error familiar to anyone?
[warn] (45)Deadlock situation detected/avoided: Failed to acquire global mutex lock

I have this problem with Apache 2.0.52 on Sun Solaris 8, but I am unable to reproduce it using
Apache 2.0.49 with the same configuration.

During compilation of both server versions I use the following configuration flags (in addition
to enabling modules): --enable-rule=SHARED_CORE --enable-rule=SSL_EXPERIMENTAL --with-mpm=worker
--enable-nonportable-atomics --with-ssl=/u01/opt --with-expat=$PWD/`ls -d srclib/apr-util/xml/expat`

# apache2/bin/httpd -V
Server version: Apache/2.0.52
Server built:   Oct 19 2004 12:07:03
Server's Module Magic Number: 20020903:9
Architecture:   32-bit
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/worker"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_FCNTL_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D HTTPD_ROOT="/u01/opt/apache2"
 -D SUEXEC_BIN="/u01/opt/apache2/bin/suexec"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"

# apache2/bin/httpd -l
Compiled in modules:
  core.c
  mod_access.c
  mod_log_config.c
  mod_env.c
  mod_headers.c
  mod_setenvif.c
  mod_proxy.c
  proxy_connect.c
  proxy_ftp.c
  proxy_http.c
  worker.c
  http_core.c
  mod_mime.c
  mod_status.c
  mod_autoindex.c
  mod_cgi.c
  mod_negotiation.c
  mod_dir.c
  mod_userdir.c
  mod_alias.c
  mod_rewrite.c
  mod_so.c

DSO Modules included:
apache2.0.52/modules/mod_info.so apache2.0.52/modules/mod_expires.so
apache2.0.52/modules/mod_deflate.so
apache2.0.52/modules/mod_ssl.so siteminder/webagent/lib/libmod_sm20.so
siteminder/webagent/lib/libbtunicode.so
siteminder/webagent/lib/libsmlogging.so
siteminder/webagent/lib/libsmgda.so
siteminder/webagent/lib/libsmvariable.so



-----Message d'origine-----
De : Praveen Alavilli [mailto:Praveen1992@aol.com] 
Envoyé : jeudi 18 novembre 2004 16:43
À : users@httpd.apache.org
Objet : Re: [users@httpd] RE : Apache 2.0.51 - Mutex Lock Problem


Here are my build options - I am also using the MPM Worker along with 
openssl:

./configure --prefix=${DistDir}/${ApacheDir} --enable-shared 
--enable-mods-shared=most --enable-ssl --with-ssl=${DistDir}/openssl 
--with-mpm=worker


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