https://bz.apache.org/bugzilla/show_bug.cgi?id=69110

            Bug ID: 69110
           Summary: cordumps (pthread_mutex_lock)
           Product: Apache httpd-2
           Version: 2.4.59
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: All
          Assignee: bugs@httpd.apache.org
          Reporter: tessa...@evermeet.cx
  Target Milestone: ---

The config.log, error_log and the coredumps are available at:
https://evermeet.cx/pub/logs/httpd/
(That is, if httpd is not coredumping...)

Linux atvie01s 6.8.10-300.fc40.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 17
21:20:54 UTC 2024 x86_64 GNU/Linux

This happens after 1 or 2 days running httpd. This has never happened before
upgrading the OS to Fedora 40. I recompiled httpd after upgrading to f40.

[2024-06-02 13:07:46.916495] [core:notice] [pid 1512889] AH00051: child pid
1690224 exit signal Segmentation fault (11), possible coredump in
/usr/local/apache
Fatal glibc error: pthread_mutex_lock.c:450 (__pthread_mutex_lock_full):
assertion failed: e != ESRCH || !robust
[2024-06-02 13:07:59.930976] [core:notice] [pid 1512889] AH00051: child pid
1690223 exit signal Abort (6), possible coredump in /usr/local/apache
Fatal glibc error: pthread_mutex_lock.c:450 (__pthread_mutex_lock_full):
assertion failed: e != ESRCH || !robust
[2024-06-02 13:08:26.960042] [core:notice] [pid 1512889] AH00051: child pid
1690222 exit signal Abort (6), possible coredump in /usr/local/apache
Fatal glibc error: pthread_mutex_lock.c:450 (__pthread_mutex_lock_full):
assertion failed: e != ESRCH || !robust

The event MPM config:

 StartServers             5
 MinSpareThreads         25
 MaxSpareThreads        125
 ThreadsPerChild         25
 MaxRequestWorkers      150
 MaxConnectionsPerChild   0


Please let me know what other info I can provide. Please note that this is a
prod machine.

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