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modperl 2.0: apache crashes when running modperl script

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  • arunappa@netscape.net
    I get an Internal Server Error in the browser when trying to access the URI /hello. Apache and modperl version: Sun Jun 01 18:51:42 2003] [notice]
    Message 1 of 9 , Jun 1, 2003
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      I get an Internal Server Error in the browser when trying
      to access the URI /hello.

      Apache and modperl version:
      Sun Jun 01 18:51:42 2003] [notice] Apache/2.0.46 (Unix) mod_perl/1.99_09 Perl/v5.8.0 mod_ssl/2.0.46 OpenSSL/0.9.6b configured -- resuming normal operations

      Relvant contents of perl.conf file:
      PerlRequire /home/ravi/www/apache/modperl/startup.pl
      <Location /hello>
      SetHandler perl-script
      PerlHandler Apache::hello
      </Location>

      Contents of /home/ravi/www/apache/modperl/startup.pl:
      use lib "/home2/apache/www/html/modperl2/book/lincoln";
      1;

      Script hello.pm located at /home2/apache/www/html/modperl2/book/lincoln/Apache/hello.pm

      Contents of hello.pm:
      package Apache::hello;

      use strict;

      use Apache::RequestRec ();
      use Apache::RequestIO ();

      sub handler {
      my $request = shift; # what does shift operate on @_?
      $request->content_type('text/html');

      $request->print(<<END); # what does the ) do in print?
      <HTML>
      <BODY>
      <H1>Hello There</H1>
      </BODY>
      </HTML>
      END

      return "Apache::OK";
      }

      1;

      Relevant httpd error_log:
      [Sun Jun 01 19:04:46 2003] [notice] child pid 2861 exit signal Segmentation fault (11)

      Relevant http access_log:
      127.0.0.1 - - [01/Jun/2003:19:04:46 -0400] "GET /hello HTTP/1.1" 500 670


      I am not sure if the problem is with apache or modperl.
      I could not find a core file under httpd ServerRoot.

      Natarajan Murugaiyan(Ravi)



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    • Stas Bekman
      ... When submitting bug reports, please follow these guidelines: http://perl.apache.org/docs/2.0/user/help/help.html#Reporting_Problems [...] ... Where did you
      Message 2 of 9 , Jun 1, 2003
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        arunappa@... wrote:
        >
        > I get an Internal Server Error in the browser when trying
        > to access the URI /hello.
        >
        > Apache and modperl version:
        > Sun Jun 01 18:51:42 2003] [notice] Apache/2.0.46 (Unix) mod_perl/1.99_09 Perl/v5.8.0 mod_ssl/2.0.46 OpenSSL/0.9.6b configured -- resuming normal operations

        When submitting bug reports, please follow these guidelines:
        http://perl.apache.org/docs/2.0/user/help/help.html#Reporting_Problems

        [...]

        > package Apache::hello;
        >
        > use strict;
        >
        > use Apache::RequestRec ();
        > use Apache::RequestIO ();
        >
        > sub handler {
        > my $request = shift; # what does shift operate on @_?
        > $request->content_type('text/html');
        >
        > $request->print(<<END); # what does the ) do in print?
        > <HTML>
        > <BODY>
        > <H1>Hello There</H1>
        > </BODY>
        > </HTML>
        > END
        >
        > return "Apache::OK";
        > }

        Where did you take this example from? you should return a constant Apache::OK,
        not a string "Apache::OK". You need to import this constant before you can use
        it. Here is a skeleton:

        use Apache::Const -compile => 'OK';

        sub handler {
        ...
        return Apache::OK;
        }

        > 1;
        >
        > Relevant httpd error_log:
        > [Sun Jun 01 19:04:46 2003] [notice] child pid 2861 exit signal Segmentation fault (11)
        >
        > Relevant http access_log:
        > 127.0.0.1 - - [01/Jun/2003:19:04:46 -0400] "GET /hello HTTP/1.1" 500 670
        >
        >
        > I am not sure if the problem is with apache or modperl.
        > I could not find a core file under httpd ServerRoot.

        Take a look at:
        http://perl.apache.org/docs/2.0/devel/debug/c.html#Getting_the_core_File_Dumped


        __________________________________________________________________
        Stas Bekman JAm_pH ------> Just Another mod_perl Hacker
        http://stason.org/ mod_perl Guide ---> http://perl.apache.org
        mailto:stas@... http://use.perl.org http://apacheweek.com
        http://modperlbook.org http://apache.org http://ticketmaster.com
      • Ged Haywood
        Hi guys, ... http://www.openssl.org/news/secadv_20030219.txt 73, Ged.
        Message 3 of 9 , Jun 1, 2003
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          Hi guys,

          On Mon, 2 Jun 2003, Stas Bekman wrote:

          > > Sun Jun 01 18:51:42 2003] [notice] Apache/2.0.46 (Unix)
          > > mod_perl/1.99_09 Perl/v5.8.0 mod_ssl/2.0.46 OpenSSL/0.9.6b

          http://www.openssl.org/news/secadv_20030219.txt

          73,
          Ged.
        • arunappa@netscape.net
          __________________________________________________________________ McAfee VirusScan Online from the Netscape Network. Comprehensive protection for your entire
          Message 4 of 9 , Jun 1, 2003
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          • arunappa@netscape.net
            ... 1. Problem Description: apache crashes when accessing this modperl script: package Apache::hello; use strict; use Apache::RequestRec (); use
            Message 5 of 9 , Jun 2, 2003
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              -------------8<---------- Start Bug Report ------------8<----------
              1. Problem Description:

              apache crashes when accessing this modperl script:

              package Apache::hello;

              use strict;

              use Apache::RequestRec ();
              use Apache::RequestIO ();
              use Apache::Const -compile => 'OK';

              sub handler {
              my $request = shift; # what does shift operate on @_?
              $request->content_type('text/html');

              $request->print(<<END);
              <HTML>
              <BODY>
              <H1>Hello There</H1>
              </BODY>
              </HTML>
              END

              return Apache::OK;
              }

              2. Used Components and their Configuration:

              *** using /usr/download/modperl/mod_perl-1.99_09/t/../lib/Apache/BuildConfig.pm
              *** Makefile.PL options:
              MP_AP_PREFIX => /usr/httpd20
              MP_COMPAT_1X => 1
              MP_GENERATE_XS => 1
              MP_INST_APACHE2 => 1
              MP_LIBNAME => mod_perl
              MP_USE_DSO => 1
              MP_USE_STATIC => 1


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            • Stas Bekman
              ... that s only a beginning of the report. Where is the rest? Why is it so hard to copy-n-paste the report? OK, I ll do that for you. ... Yeah, I need to
              Message 6 of 9 , Jun 2, 2003
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                arunappa@... wrote:
                > -------------8<---------- Start Bug Report ------------8<----------
                > 1. Problem Description:
                >
                > apache crashes when accessing this modperl script:
                >
                > package Apache::hello;
                >
                > use strict;
                >
                > use Apache::RequestRec ();
                > use Apache::RequestIO ();
                > use Apache::Const -compile => 'OK';
                >
                > sub handler {
                > my $request = shift; # what does shift operate on @_?
                > $request->content_type('text/html');
                >
                > $request->print(<<END);
                > <HTML>
                > <BODY>
                > <H1>Hello There</H1>
                > </BODY>
                > </HTML>
                > END
                >
                > return Apache::OK;
                > }
                >
                > 2. Used Components and their Configuration:
                >
                > *** using /usr/download/modperl/mod_perl-1.99_09/t/../lib/Apache/BuildConfig.pm
                > *** Makefile.PL options:
                > MP_AP_PREFIX => /usr/httpd20
                > MP_COMPAT_1X => 1
                > MP_GENERATE_XS => 1
                > MP_INST_APACHE2 => 1
                > MP_LIBNAME => mod_perl
                > MP_USE_DSO => 1
                > MP_USE_STATIC => 1

                that's only a beginning of the report. Where is the rest? Why is it so hard to
                copy-n-paste the report? OK, I'll do that for you.

                > 3. This is the core dump trace: (if you get a core dump):
                >
                > Apache crashes but does not dump core. I set unlimit to unlimited,
                > made sure the filesystem from which 'httpd -X' is run has enough free space.
                > Still no core. Could not find Bad::Segv module either in modperl or in
                > CPAN and therefore could not try to dump using a script like core_dump.pl
                > mentioned in 'Debugging mod_perl C Internals' document.

                Yeah, I need to update the Bad::Segv part. It's called Debug::DumpCore.

                > I was able to run 'httpd -X' from inside gbd and got a stack trace:
                >
                > (gdb) bt
                > #0 0x402f1f47 in modperl_wbucket_write ()
                > from /usr/httpd20/modules/mod_perl.so
                > #1 0x40638701 in mpxs_Apache__RequestRec_print ()
                > from
                /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache/RequestIO/RequestIO.so
                > #2 0x406368c6 in XS_Apache__RequestRec_print ()
                > from
                /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache/RequestIO/RequestIO.so
                > #3 0x403868c5 in Perl_pp_entersub ()
                > from /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/libperl.so
                > #4 0x4037f059 in Perl_runops_standard ()
                > from /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/libperl.so
                > #5 0x40327139 in S_call_body ()
                > from /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/libperl.so
                > #6 0x40326eb6 in Perl_call_sv ()
                > from /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/libperl.so
                > #7 0x402ed4e2 in modperl_callback () from /usr/httpd20/modules/mod_perl.so
                > #8 0x402ed9e4 in modperl_callback_run_handlers ()
                > from /usr/httpd20/modules/mod_perl.so
                > #9 0x402edc25 in modperl_callback_per_dir ()
                > from /usr/httpd20/modules/mod_perl.so
                > #10 0x402e9105 in modperl_response_handler_run ()
                > from /usr/httpd20/modules/mod_perl.so
                > #11 0x402e9325 in modperl_response_handler_cgi ()
                > from /usr/httpd20/modules/mod_perl.so
                > #12 0x0807b67e in ap_run_handler (r=0x81a9268) at config.c:195
                > #13 0x0807bb96 in ap_invoke_handler (r=0x81a9268) at config.c:401
                > #14 0x0806baab in ap_process_request (r=0x81a9268) at http_request.c:288
                > #15 0x08067ce9 in ap_process_http_connection (c=0x816d458) at http_core.c:293
                > #16 0x08084476 in ap_run_process_connection (c=0x816d458) at connection.c:85
                > #17 0x0807a234 in child_main (child_num_arg=1080249231) at prefork.c:696
                > #18 0x0807a3de in make_child (s=0x80b6178, slot=0) at prefork.c:736
                > #19 0x0807a437 in startup_children (number_to_start=5) at prefork.c:808
                > #20 0x0807ab29 in ap_mpm_run (_pconf=0x8079b10, plog=0x80ebb50, s=0x80b6178)
                > at prefork.c:1024
                > #21 0x0807f842 in main (argc=2, argv=0xbffffa74) at main.c:660
                > #22 0x420158d4 in __libc_start_main () from /lib/i686/libc.so.6

                The problem with this trace is that it doesn't show the arguments. You need to
                build mod_perl with MP_DEBUG=1 and generate it again.


                __________________________________________________________________
                Stas Bekman JAm_pH ------> Just Another mod_perl Hacker
                http://stason.org/ mod_perl Guide ---> http://perl.apache.org
                mailto:stas@... http://use.perl.org http://apacheweek.com
                http://modperlbook.org http://apache.org http://ticketmaster.com
              • arunappa@netscape.net
                ... 1. Problem Description: apache crashes when accessing this modperl script: package Apache::hello; use strict; use Apache::RequestRec (); use
                Message 7 of 9 , Jun 3, 2003
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                  -------------8<---------- Start Bug Report ------------8<----------
                  1. Problem Description:

                  apache crashes when accessing this modperl script:

                  package Apache::hello;

                  use strict;

                  use Apache::RequestRec ();
                  use Apache::RequestIO ();
                  use Apache::Const -compile => 'OK';

                  sub handler {
                  my $request = shift; # what does shift operate on @_?
                  $request->content_type('text/html');

                  $request->print(<<END);
                  <HTML>
                  <BODY>
                  <H1>Hello There</H1>
                  </BODY>
                  </HTML>
                  END

                  return Apache::OK;
                  }





                  2. Used Components and their Configuration:

                  *** using /usr/download/modperl/mod_perl-1.99_09/t/../lib/Apache/BuildConfig.pm
                  *** Makefile.PL options:
                  MP_AP_PREFIX => /usr/httpd20
                  MP_COMPAT_1X => 1
                  MP_GENERATE_XS => 1
                  MP_INST_APACHE2 => 1
                  MP_LIBNAME => mod_perl
                  MP_USE_DSO => 1
                  MP_USE_STATIC => 1


                  *** /usr/httpd20/bin/httpd -V
                  Server version: Apache/2.0.46
                  Server built: Jun 1 2003 19:52:02
                  Server's Module Magic Number: 20020903:3
                  Architecture: 32-bit
                  Server compiled with....
                  -D APACHE_MPM_DIR="server/mpm/prefork"
                  -D APR_HAS_SENDFILE
                  -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="/usr/httpd20"
                  -D SUEXEC_BIN="/usr/httpd20/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"


                  *** /usr/bin/perl -V
                  Summary of my perl5 (revision 5.0 version 8 subversion 0) configuration:
                  Platform:
                  osname=linux, osvers=2.4.18-11smp, archname=i386-linux-thread-multi
                  uname='linux daffy.perf.redhat.com 2.4.18-11smp #1 smp thu aug 15 06:41:59 edt 2002 i686 i686 i386 gnulinux '
                  config_args='-des -Doptimize=-O2 -march=i386 -mcpu=i686 -Dmyhostname=localhost -Dperladmin=root@localhost -Dcc=gcc -Dcf_by=Red Hat, Inc. -Dinstallprefix=/usr -Dprefix=/usr -Darchname=i386-linux -Dvendorprefix=/usr -Dsiteprefix=/usr -Duseshrplib -Dusethreads -Duseithreads -Duselargefiles -Dd_dosuid -Dd_semctl_semun -Di_db -Ui_ndbm -Di_gdbm -Di_shadow -Di_syslog -Dman3ext=3pm -Duseperlio -Dinstallusrbinperl -Ubincompat5005 -Uversiononly -Dpager=/usr/bin/less -isr'
                  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='gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm',
                  optimize='-O2 -march=i386 -mcpu=i686',
                  cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -I/usr/include/gdbm'
                  ccversion='', gccversion='3.2 20020822 (Red Hat Linux Rawhide 3.2-5)', 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='gcc', ldflags =' -L/usr/local/lib'
                  libpth=/usr/local/lib /lib /usr/lib
                  libs=-lnsl -lgdbm -ldb -ldl -lm -lpthread -lc -lcrypt -lutil
                  perllibs=-lnsl -ldl -lm -lpthread -lc -lcrypt -lutil
                  libc=/lib/libc-2.2.92.so, so=so, useshrplib=true, libperl=libperl.so
                  gnulibc_version='2.2.92'
                  Dynamic Linking:
                  dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic -Wl,-rpath,/usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE'
                  cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib'


                  Characteristics of this binary (from libperl):
                  Compile-time options: MULTIPLICITY USE_ITHREADS USE_LARGE_FILES PERL_IMPLICIT_CONTEXT
                  Built under linux
                  Compiled at Sep 1 2002 23:56:49
                  %ENV:
                  PERL_LWP_USE_HTTP_10="1"
                  @INC:
                  /usr/lib/perl5/5.8.0/i386-linux-thread-multi
                  /usr/lib/perl5/5.8.0
                  /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi
                  /usr/lib/perl5/site_perl/5.8.0
                  /usr/lib/perl5/site_perl
                  /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi
                  /usr/lib/perl5/vendor_perl/5.8.0
                  /usr/lib/perl5/vendor_perl
                  .


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

                  I was able to run 'httpd -X' from inside gbd and got a stack trace
                  with mod_perl compiled with MP_DEBUG=1:

                  0x402f458c in modperl_wbucket_write (my_perl=0x81af228, wb=0x81b3900,
                  buf=0xbffff438 "4", wlen=0x4063cb8f) at modperl_filter.c:181
                  181 *wlen = 0;

                  #0 0x402f458c in modperl_wbucket_write (my_perl=0x81af228, wb=0x81b3900,
                  buf=0xbffff438 "4", wlen=0x4063cb8f) at modperl_filter.c:181
                  #1 0x40640701 in mpxs_Apache__RequestRec_print ()
                  from /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache/RequestIO/RequestIO.so
                  #2 0x4063e8c6 in XS_Apache__RequestRec_print ()
                  from /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache/RequestIO/RequestIO.so
                  #3 0x4038e8c5 in Perl_pp_entersub ()
                  from /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/libperl.so
                  #4 0x40387059 in Perl_runops_standard ()
                  from /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/libperl.so
                  #5 0x4032f139 in S_call_body ()
                  from /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/libperl.so
                  #6 0x4032eeb6 in Perl_call_sv ()
                  from /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/libperl.so
                  #7 0x402effe7 in modperl_callback (my_perl=0x8154e10, handler=0x80fe158,
                  p=0x81a9210, r=0x81a9248, s=0x80b6178, args=0x813feb8)
                  at modperl_callback.c:53
                  #8 0x402f06a3 in modperl_callback_run_handlers (idx=6, type=4, r=0x81a9248,
                  c=0x0, s=0x80b6178, pconf=0x0, plog=0x0, ptemp=0x0)
                  at modperl_callback.c:187
                  #9 0x402f07bc in modperl_callback_per_dir (idx=6, r=0x81a9248)
                  at modperl_callback.c:218
                  #10 0x402ea0d0 in modperl_response_handler_run (r=0x81a9248, finish=0)
                  at mod_perl.c:777
                  #11 0x402ea315 in modperl_response_handler_cgi (r=0x81a9248) at mod_perl.c:842
                  #12 0x0807b67e in ap_run_handler (r=0x81a9248) at config.c:195
                  #13 0x0807bb96 in ap_invoke_handler (r=0x81a9248) at config.c:401
                  #14 0x0806baab in ap_process_request (r=0x81a9248) at http_request.c:288
                  #15 0x08067ce9 in ap_process_http_connection (c=0x816d498) at http_core.c:293
                  #16 0x08084476 in ap_run_process_connection (c=0x816d498) at connection.c:85
                  #17 0x0807a234 in child_main (child_num_arg=1080281999) at prefork.c:696
                  #18 0x0807a3de in make_child (s=0x80b6178, slot=0) at prefork.c:736
                  #19 0x0807a437 in startup_children (number_to_start=5) at prefork.c:808
                  #20 0x0807ab29 in ap_mpm_run (_pconf=0x8079b10, plog=0x80ebb50, s=0x80b6178)
                  at prefork.c:1024
                  #21 0x0807f842 in main (argc=2, argv=0xbffffa74) at main.c:660
                  #22 0x420158d4 in __libc_start_main () from /lib/i686/libc.so.6





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                • Stas Bekman
                  arunappa@netscape.net wrote: [...] ... why RequestIO.so doesn t include the debug info? Are you sure you have run make install after you have rebuilt
                  Message 8 of 9 , Jun 3, 2003
                  • 0 Attachment
                    arunappa@... wrote:
                    [...]
                    > 3. This is the core dump trace: (if you get a core dump):
                    >
                    > I was able to run 'httpd -X' from inside gbd and got a stack trace
                    > with mod_perl compiled with MP_DEBUG=1:
                    >
                    > 0x402f458c in modperl_wbucket_write (my_perl=0x81af228, wb=0x81b3900,
                    > buf=0xbffff438 "4", wlen=0x4063cb8f) at modperl_filter.c:181
                    > 181 *wlen = 0;
                    >
                    > #0 0x402f458c in modperl_wbucket_write (my_perl=0x81af228, wb=0x81b3900,
                    > buf=0xbffff438 "4", wlen=0x4063cb8f) at modperl_filter.c:181
                    > #1 0x40640701 in mpxs_Apache__RequestRec_print ()
                    > from /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache/RequestIO/RequestIO.so
                    > #2 0x4063e8c6 in XS_Apache__RequestRec_print ()
                    > from /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache/RequestIO/RequestIO.so

                    why RequestIO.so doesn't include the debug info? Are you sure you have run
                    'make install' after you have rebuilt mod_perl with MP_DEBUG=1? try to nuke
                    /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache
                    and 'make install' again.

                    Actually I know why this happens and why you have the segfault

                    since you have had:

                    MP_INST_APACHE2 => 1

                    it must be installed into
                    i686-linux-thread-multi/Apache2/auto/Apache/RequestIO/RequestIO.so

                    You probably had an older mod_perl install, and now it loads the wrong
                    library. I see that you didn't load Apache2 and that explains the problem.

                    Add to your startup 'use Apache2' as explained here:
                    http://perl.apache.org/docs/2.0/user/intro/start_fast.html#Configuration



                    __________________________________________________________________
                    Stas Bekman JAm_pH ------> Just Another mod_perl Hacker
                    http://stason.org/ mod_perl Guide ---> http://perl.apache.org
                    mailto:stas@... http://use.perl.org http://apacheweek.com
                    http://modperlbook.org http://apache.org http://ticketmaster.com
                  • arunappa@netscape.net
                    ... I removed RequestIO.so inside /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache and did make install . Then added use Apache2 in the
                    Message 9 of 9 , Jun 4, 2003
                    • 0 Attachment
                      Stas Bekman <stas@...> wrote:


                      >'make install' after you have rebuilt mod_perl with MP_DEBUG=1? try to nuke
                      >/usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache
                      >and 'make install' again.
                      >
                      >Actually I know why this happens and why you have the segfault
                      >
                      >since you have had:
                      >
                      >MP_INST_APACHE2 => 1
                      >
                      >it must be installed into
                      >i686-linux-thread-multi/Apache2/auto/Apache/RequestIO/RequestIO.so
                      >
                      >You probably had an older mod_perl install, and now it loads the wrong
                      >library. I see that you didn't load Apache2 and that explains the problem.
                      >
                      >Add to your startup 'use Apache2' as explained here:
                      >http://perl.apache.org/docs/2.0/user/intro/start_fast.html#Configuration
                      >

                      I removed RequestIO.so inside /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi/auto/Apache
                      and did 'make install'. Then added 'use Apache2' in the startup file
                      and there are no segfaults anymore.

                      Thanks,

                      Natarajan Murugaiyan(Ravi)

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