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Date: Tue, 03 Mar 2009 19:17:20 +1100
From: Carl Brewer <carl@bl.echidna.id.au>
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To: modperl@perl.apache.org
Subject: Re: tracking a coredump problem
References: <497C0CAF.6080409@bl.echidna.id.au>
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I've got some coredumps now, after starting apache mp with apachectl not 
the init script.

gdb shows this :

Core was generated by `/usr/local/apache/2.2.11/bin/httpd -f 
/etc/httpd/conf/httpd-2.2.11-perl.conf -k'.
Program terminated with signal 11, Segmentation fault.
#0  0x0030a039 in Perl_pp_rv2cv () from 
/usr/lib/perl5/5.8.8/i386-linux-thread-multi/CORE/libperl.so


bt full shows a load of info but nothing I can immediately identify as a 
failure.

This is its output :

#0  0x0030a039 in Perl_pp_rv2cv () from 
/usr/lib/perl5/5.8.8/i386-linux-thread-multi/CORE/libperl.so
No symbol table info available.
#1  0x002dd88f in Perl_runops_standard () from 
/usr/lib/perl5/5.8.8/i386-linux-thread-multi/CORE/libperl.so
No symbol table info available.
#2  0x0027dffe in Perl_magicname () from 
/usr/lib/perl5/5.8.8/i386-linux-thread-multi/CORE/libperl.so
No symbol table info available.
#3  0x00282806 in Perl_call_sv () from 
/usr/lib/perl5/5.8.8/i386-linux-thread-multi/CORE/libperl.so
No symbol table info available.
#4  0x00604a7f in modperl_callback (my_perl=0x8eac5f8, 
handler=0x89b93b8, p=0x95efc50, r=0x95efc90, s=0x94d9ec8, args=0x9688e94)
     at modperl_callback.c:101
         items = <value optimized out>
         cv = <value optimized out>
         sp = (SV **) 0x970ac98
         status = 0
#5  0x0060517a in modperl_callback_run_handlers (idx=6, type=4, 
r=0x95efc90, c=0x0, s=0x94d9ec8, pconf=0x0, plog=0x0, ptemp=0x0,
     run_mode=MP_HOOK_RUN_FIRST) at modperl_callback.c:262
         my_perl = (PerlInterpreter *) 0x8eac5f8
         interp = (modperl_interp_t *) 0x931fe18
         scfg = (modperl_config_srv_t *) 0x94dc5e0
         dcfg = (modperl_config_dir_t *) 0x94dd4f0
         rcfg = (modperl_config_req_t *) 0x95f0a28
         handlers = (modperl_handler_t **) 0x89b93e8
         p = (apr_pool_t *) 0x95efc50
         av = (MpAV *) 0x89b93d0
         avp = <value optimized out>
         i = 0
         status = 0
         desc = 0x61ccd3 "PerlResponseHandler"
         av_args = (AV *) 0x9688e94
#6  0x0060580a in modperl_callback_per_dir (idx=6, r=0x95efc90, 
run_mode=MP_HOOK_RUN_FIRST) at modperl_callback.c:369
No locals.
#7  0x005fe79f in modperl_response_handler_run (r=0x95efc90, finish=0) 
at mod_perl.c:1000
         retval = <value optimized out>
#8  0x005fe96b in modperl_response_handler_cgi (r=0x95efc90) at 
mod_perl.c:1100
         dcfg = (modperl_config_dir_t *) 0x94dd4f0
         h_stdin = (GV *) 0x9688f18
         h_stdout = (GV *) 0x9689134
         retval = -1
         rc = <value optimized out>
         rcfg = (modperl_config_req_t *) 0x95f0a28
         my_perl = (PerlInterpreter *) 0x8eac5f8
         interp = (modperl_interp_t *) 0x931fe18
#9  0x080821e9 in ap_run_handler ()
No symbol table info available.
#10 0x08082933 in ap_invoke_handler ()
No symbol table info available.
#11 0x080e0153 in ap_process_request ()
No symbol table info available.
#12 0x080dcb8f in ap_process_http_connection ()
No symbol table info available.
#13 0x0808a873 in ap_run_process_connection ()
No symbol table info available.
#14 0x0808ac86 in ap_process_connection ()
No symbol table info available.
#15 0x08102a73 in child_main ()
No symbol table info available.
#16 0x08102c5e in make_child ()
No symbol table info available.
#17 0x08102eaf in perform_idle_server_maintenance ()
No symbol table info available.
#18 0x081033d9 in ap_mpm_run ()
No symbol table info available.
#19 0x0806b61c in main ()
No symbol table info available.


Is there anything there that helps find where the problem is?