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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 48471] New: Apache Restarts Randomly When Using Worker
Date Sat, 02 Jan 2010 10:56:35 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=48471

           Summary: Apache Restarts Randomly When Using Worker
           Product: Apache httpd-2
           Version: 2.2.14
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: worker
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: theking@getpaidforum.net


>From time to time, Apache keeps restarting (sometimes rarely, sometimes quite
often).

grep -R "Doing graceful restart" /etc/httpd/logs/error_log | awk 'BEGIN
{FS="]"};{print $1}'| cut -d "[" -f 2

Tue Dec 29 16:11:06 2009
Tue Dec 29 16:24:40 2009
Tue Dec 29 16:25:11 2009
Tue Dec 29 16:25:12 2009
Tue Dec 29 16:28:44 2009
Tue Dec 29 16:37:29 2009
Tue Dec 29 16:46:17 2009
Tue Dec 29 16:55:13 2009

I turned on the LogLevel from warn to debug and Apache and uncovered the
following message in the logs:

[Tue Dec 29 04:35:05 2009] [notice] SIGUSR1 received. Doing graceful restart
[Tue Dec 29 04:35:05 2009] [debug] worker.c(791): (22)Invalid argument:
apr_proc_mutex_unlock failed. Attempting to shutdown process gracefully.

Switching to prework solved the issue. Recompiled many times, still same issue.

CentOS 5.4 x64

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