[Bug 287302] www/mod_perl2: panic: MUTEX_LOCK (22) [Magic.xs:525] during global destruction.

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287302

Dirk Meyer <dinoex@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|Affects Only Me             |Affects Some People

--- Comment #3 from Dirk Meyer <dinoex@FreeBSD.org> ---

I can reproduce it with the official package set:
Empty Jail:

# pkg install ap24-mod_perl2
# pkg install otrs

# cat > /usr/local/etc/apache24/Includes/perl.conf << 'EOD'
LoadModule perl_module libexec/apache24/mod_perl.so
PerlRequire /usr/local/otrs/scripts/apache2-perl-startup.pl
EOD

# service apache24 onestart

# tail /var/log/httpd-error.log
panic: MUTEX_LOCK (22) [Magic.xs:525] during global destruction.



PerlRequire was needed to trigger the bug.
I disabled modules to track down the problem

Finally disabling only one module "DateTime" fixed the startup of apache:
The application was not tested.


--- /usr/local/otrs/scripts/apache2-perl-startup.pl.orig
+++ /usr/local/otrs/scripts/apache2-perl-startup.pl
@@ -67,7 +67,7 @@
 eval { require Net::DNS };

 # Preload DateTime, an expensive external dependency.
+# use DateTime ();
-use DateTime ();

 # Preload dependencies that are always used.
 use Template ();

# service apache24 onestart

# tail /var/log/httpd-error.log
[Fri Jun 06 10:08:24.610090 2025] [mpm_prefork:notice] [pid 18684] AH00163:
Apache/2.4.63 (FreeBSD) mod_perl/2.0.13 Perl/v5.40.2 configured -- resuming
normal operations
[Fri Jun 06 10:08:24.610319 2025] [core:notice] [pid 18684] AH00094: Command
line: '/usr/local/sbin/httpd -D NOHTTPACCEPT'

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