mp2-RC3 core dump - server start in test (Linux)

[Lack Mr G M <gm...@ggr.co.uk>]

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1. Problem Description:

   Web server core dumps on startup in "make test".  (The Apache server
   runs OK without mod_perl and has been built with sendfile disabled
   and APR_HAS_LARGE_FILES set to 1 since that is how perl was compiled).

   This is on Linux.  FWIW, this is the "equivalent" configuration of
   the Irix one mentioned in:

http://mathforum.org/epigone/modperl/sloafrulskix/41DD8E7F.6131A423@ggr.co.uk


2. Used Components and their Configuration:

*** mod_perl version 1.999020

*** using /local/GML/Apache2/mod_perl-2.0.0-RC3/lib/Apache/BuildConfig.pm

*** Makefile.PL options:
  MP_APR_LIB     => aprext
  MP_AP_PREFIX   => /local/GML/install/apache2
  MP_COMPAT_1X   => 
  MP_DEBUG       => 1
  MP_GENERATE_XS => 1
  MP_LIBNAME     => mod_perl
  MP_TRACE       => 1
  MP_USE_DSO     => 1


*** /local/GML/install/apache2/bin/httpd -V
Server version: Apache/2.0.52
Server built:   Jan 11 2005 18:11:09
Server's Module Magic Number: 20020903:9
Architecture:   32-bit
Server compiled with....
 -D BIG_SECURITY_HOLE
 -D APACHE_MPM_DIR="server/mpm/prefork"
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_SYSVSEM_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D HTTPD_ROOT="/local/GML/install/apache2"
 -D SUEXEC_BIN="/local/GML/install/apache2/bin/suexec"
 -D DEFAULT_PIDLOG="logs/httpd.pid"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_LOCKFILE="logs/accept.lock"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"


*** (apr|apu)-config linking info

 -L/local/GML/install/apache2/lib -lapr-0 -lrt -lm -lcrypt -lnsl  -lpthread -ldl
 -L/local/GML/install/apache2/lib -laprutil-0 -lgdbm -ldb-4.2 -lexpat



*** /GWD/bioinfo/tools/bin/perl -V
Summary of my perl5 (revision 5 version 8 subversion 5) configuration:
  Platform:
    osname=linux, osvers=2.4.9-e.3smp, archname=Linux-ia32-thread-multi
    uname='linux ukwcx01d 2.4.9-e.3smp #1 smp fri may 3 16:48:54 edt 2002 i686 unknown '
    config_args='-dE'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define usemultiplicity=define
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -fno-strict-aliasing -pipe -I/GWD/bioinfo/tools/include -I/GWD/bioinfo/common/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -fno-strict-aliasing -pipe -I/GWD/bioinfo/tools/include -I/GWD/bioinfo/common/include'
    ccversion='', gccversion='2.96 20000731 (Red Hat Linux 7.2 2.96-108.1)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='cc', ldflags ='-L/GWD/bioinfo/tools/lib -Wl,--rpath,/GWD/bioinfo/tools/lib'
    libpth=/GWD/bioinfo/tools/lib /lib /usr/lib
    libs=-lnsl -ldb -lgdbm -ldl -lm -lcrypt -lutil -lpthread -lc
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
    libc=/lib/libc-2.2.4.so, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.2.4'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fpic', lddlflags='-shared -L/GWD/bioinfo/tools/lib'


Characteristics of this binary (from libperl): 
  Compile-time options: MULTIPLICITY USE_ITHREADS USE_LARGE_FILES PERL_IMPLICIT_CONTEXT
  Built under linux
  Compiled at Jul 28 2004 12:58:09
  %ENV:
    PERL_LWP_USE_HTTP_10="1"
  @INC:
    /GWD/bioinfo/tools/lib/perl5/5.8.5
    /GWD/bioinfo/common/lib/perl5/5.8.5
    /GWD/bioinfo/tools/lib/perl5/site_perl/5.8.5
    /GWD/bioinfo/common/lib/perl5/site_perl/5.8.5
    /GWD/bioinfo/common/lib/perl5/site_perl
    .

*** Packages of interest status:

Apache::Request: -
CGI            : 3.05
LWP            : 5.800
mod_perl       : -


3. This is the core dump trace: (if you get a core dump):


(gdb) where
#0  0x404c6224 in ap_pcw_walk_files_config (pconf=0x80a7d58, s=0x80c3f18, 
    dconf=0x80c4600, modp=0x405a1a60, 
    dir_cb=0x404c5e4a <modperl_hash_handlers_dir>, data=0x0)
    at modperl_pcw.c:67
#1  0x404c6414 in ap_pcw_walk_config (pconf=0x80a7d58, s=0x80c3f18, 
    modp=0x405a1a60, data=0x0, dir_cb=0x404c5e4a <modperl_hash_handlers_dir>, 
    srv_cb=0x404c5f15 <modperl_hash_handlers_srv>) at modperl_pcw.c:121
#2  0x404c6099 in modperl_mgv_hash_handlers (p=0x80a7d58, s=0x80c3f18)
    at modperl_mgv.c:520
#3  0x404b47e4 in modperl_hook_post_config_last (pconf=0x80a7d58, 
    plog=0x80d1e00, ptemp=0x80d3e08, s=0x80c3f18) at mod_perl.c:693
#4  0x080695f6 in ap_run_post_config ()
#5  0x0806f209 in main ()
#6  0x403457f7 in __libc_start_main () from /lib/i686/libc.so.6



This report was generated by t/REPORT on Tue Jan 11 18:36:26 2005 GMT.

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