Hi, I use Steve Hay's mod_perl binaries with ActiveState perl 5.16 http://people.apache.org/~stevehay/
I see these kind of memory corruptions in the apache log when I put some serious load on the server via ab. Attempt to free nonexistent shared string '', Perl interpreter: 0x2a99014 at c:/ws/otrs/Kernel/cpan-lib/CGI/Carp.pm line 399. Attempt to free nonexistent shared string '', Perl interpreter: 0x2a99014 at c:/ws/otrs/Kernel/cpan-lib/CGI/Carp.pm line 399. Attempt to free nonexistent shared string '', Perl interpreter: 0x2a99014 at c:/ws/otrs/Kernel/cpan-lib/CGI/Carp.pm line 399. Attempt to free nonexistent shared string '', Perl interpreter: 0x2a99014 at c:/ws/otrs/Kernel/cpan-lib/CGI/Carp.pm line 399. [Fri Feb 22 11:23:54 2013] -e: Attempt to free unreferenced scalar: SV 0xe2f7bec, Perl interpreter: 0x2a99014 at c:/ws/otrs//Kernel/System/Main.pm line 871. [Fri Feb 22 11:23:54 2013] -e: Attempt to free unreferenced scalar: SV 0xb09712c, Perl interpreter: 0x2a99014 at c:/ws/otrs//Kernel/System/Main.pm line 336. [Fri Feb 22 11:23:54 2013] -e: Attempt to free unreferenced scalar: SV 0xc04e32c, Perl interpreter: 0x2a99014 at c:/ws/otrs//Kernel/System/Main.pm line 336. [Fri Feb 22 11:23:54 2013] -e: Attempt to free unreferenced scalar: SV 0xd31d04c, Perl interpreter: 0x2a99014 at c:/ws/otrs//Kernel/System/Main.pm line 336. [Fri Feb 22 11:25:31 2013] -e: Attempt to free unreferenced scalar: SV 0x10add1f4, Perl interpreter: 0x5d33fdc at c:/ws/otrs//Kernel/System/Main.pm line 871. [Fri Feb 22 11:25:31 2013] -e: Free to wrong pool 6f27f08 not 7ce7328 at c:/ws/otrs//Kernel/System/Main.pm line 336. After this apache restarts itself, which leads to lots of requests failing. I tried different mod_perl binaries, also very old 2.04 ones with different perls (Strawberry, Activestate) but I keep hitting similar issues. How can I find out what is causing these issues? -- Mike