Re: mod_perl head build with httpd 2.4.6 on Linux results

[Jan Kaluža <jk...@redhat.com>]

On 11/15/2013 04:01 PM, Jeff Trawick wrote:
> Is it fair to say that mod_perl shouldn't be used with the event MPM?

I will try to check that and reproduce the crash you are seeing.

Jan Kaluza

> With the httpd24threading branch on Linux (older, RHEL 5-ish stuff) and
> httpd 2.4.6 with event MPM, I'm getting hangs in some testcases (e.g.,
> echo_bbs2, echo_nonblock, in_str_sandwich, etc., but not consistent) and
> even a crash:
>
> #2  <signal handler called>
> #3  0x00002aaaaad0c2a3 in ?? () from
> /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/auto/DBI/DBI.so
> #4  0x00002aaaaad0ee8e in XS_DBI_dispatch () from
> /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/auto/DBI/DBI.so
> #5  0x0000003060290a96 in Perl_pp_entersub () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #6  0x00000030602338a7 in ?? () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #7  0x00000030602376f0 in Perl_call_sv () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #8  0x0000003060295416 in Perl_sv_clear () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #9  0x0000003060295bc0 in Perl_sv_free () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #10 0x0000003060295727 in Perl_sv_clear () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #11 0x0000003060295bc0 in Perl_sv_free () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #12 0x0000003060284cbc in Perl_hv_free_ent () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #13 0x0000003060284e26 in ?? () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #14 0x0000003060286750 in Perl_hv_undef () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #15 0x000000306029581a in Perl_sv_clear () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #16 0x0000003060295bc0 in Perl_sv_free () from
> /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so
> #17 0x00002ae2c8fd6914 in modperl_cleanup_pnotes (data=0x1568c788) at
> modperl_util.c:839
> #18 0x00002ae2bd992919 in run_cleanups (cref=0x1568bda8) at
> memory/unix/apr_pools.c:2352
> #19 0x00002ae2bd991732 in apr_pool_clear (pool=0x1568bd88) at
> memory/unix/apr_pools.c:772
> #20 0x00002ae2c715d4a0 in process_lingering_close (cs=0x1568c018,
> pfd=0x11880aa0) at event.c:1317
> #21 0x00002ae2c715e06c in listener_thread (thd=0x11881358,
> dummy=0x15638760) at event.c:1551
> #22 0x00002ae2bd9a04a9 in dummy_worker (opaque=0x11881358) at
> threadproc/unix/thread.c:142
> #23 0x000000305a20673d in start_thread () from /lib64/libpthread.so.0
> #24 0x00000030596d40cd in clone () from /lib64/libc.so.6
>
> The listener thread is running these cleanups, but that's not the thread
> that handled the connection.
>


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