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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 48949] New: fcgid processes never get killed after gaceful restart
Date Sat, 20 Mar 2010 12:47:36 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=48949

           Summary: fcgid processes never get killed after gaceful restart
           Product: Apache httpd-2
           Version: 2.2.15
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P2
         Component: mod_fcgid
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: zlygis@gmail.com


Any fcgid processes that were active/sleeping before executing graceful apache
httpd restart, never gets killed after such restart. They get killed only after
hard apache restart. This problem causes fcgid processes to „pile up“after each
graceful restart, therefore consuming memory and eventually making the whole
system unusable.

error_log:

[Wed Mar 17 14:02:57 2010] [notice] Graceful restart requested, doing restart
[Wed Mar 17 14:02:57 2010] [emerg] [client 82.135.207.33] (43)Identifier
removed: mod_fcgid: can't get pipe mutex, referer: h$
[Wed Mar 17 14:02:57 2010] [emerg] [client 78.61.82.52] (43)Identifier removed:
mod_fcgid: can't get pipe mutex, referer: htt$
[Wed Mar 17 14:02:57 2010] [emerg] [client 91.121.87.87] (22)Invalid argument:
mod_fcgid: can't lock process table in pid 170$
[Wed Mar 17 14:02:57 2010] [emerg] [client 91.121.88.99] (22)Invalid argument:
mod_fcgid: can't lock process table in pid 160$
[Wed Mar 17 14:02:57 2010] [emerg] mod_fcgid: server is restarted, pid 27466
must exit
[Wed Mar 17 14:02:57 2010] [emerg] (22)Invalid argument: mod_fcgid: can't lock
process table in PM, pid 27466


Server Version: Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5
mod_bwlimited/1.4 mod_fcgid/2.3.5
Server Built: Mar 11 2010 13:51:44
Server loaded APR Version: 1.4.2
Compiled with APR Version: 1.4.2
Server loaded APU Version: 1.3.9
Compiled with APU Version: 1.3.9
Module Magic Number: 20051115:24
Hostname/port: xxxxxxx:80
Timeouts: connection: 30    keep-alive: 1
MPM Name: Prefork
MPM Information: Max Daemons: 300 Threaded: no Forked: yes
Server Architecture: 64-bit
Server Root: /usr/local/apache
Config File: /usr/local/apache/conf/includes/pre_main_global.conf
Server Built With:  -D APACHE_MPM_DIR="server/mpm/prefork"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_SYSVSEM_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D HTTPD_ROOT="/usr/local/apache"
 -D SUEXEC_BIN="/usr/local/apache/bin/suexec"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"

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