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Posted to dev@perl.apache.org by "Philippe M. Chiasson" <go...@ectoplasm.org> on 2004/09/24 23:46:05 UTC
Re: brand new staticised mod_perl 1.99.16 / apache 2.0.51 segfaults.
Matthew Hodgson wrote:
> Stas Bekman wrote:
>
>> Matthew, please try the current cvs, Philippe has been working hard
>> on improving the static build since _16 was released.
>> http://perl.apache.org/download/source.html#Development_mod_perl_2_0_Source_Distribution
>
>
>
> Okay, my previous build using latest mod_perl cvs was slightly screwy
> due to not cleaning the build tree sufficiently & not realising that
> you now specify MP_USE_STATIC=1 to build a statically linked httpd.
> Armed with this knowledge, i'm happy to say that it doesn't crash
> under debian unstable - but under stable, the same problem presents
> itself. :(
>
> (under debian unstable, I had to export -I/usr/lib/perl/5.8/CORE/ in
> CPPFLAGS for it to find the right perl headers when compiling)
>
> -------------8<---------- Start Bug Report ------------8<----------
> 1. Problem Description:
>
> mod_perl 2.0 CVS head + apache 2.0.51 segfault at startup under
> debian stable. I also had to butcher
> ./src/modules/perl/modperl_exports.c to remove non-existent symbol
> references to get it to compile.
Can you list these symbols you had to rip out ?
> 2. Used Components and their Configuration:
>
> *** mod_perl version 1.9917
>
> *** using
> /usr/local/src/web/apache2/mod_perl-2.0-cvs/lib/Apache/BuildConfig.pm
>
> *** Makefile.PL options:
> MP_APR_LIB => aprext
> MP_AP_CONFIGURE => --enable-maintainer-mode
> --prefix=/usr/local/apache2 --localstatedir=/var/run/apache2
> --with-mpm=prefork
> MP_AP_PREFIX =>
> /usr/local/src/web/apache2/mod_perl-2.0-cvs/../httpd-2.0.51
> MP_COMPAT_1X => 1
> MP_DEBUG => 1
> MP_GENERATE_XS => 1
> MP_INST_APACHE2 => 1
> MP_LIBNAME => mod_perl
> MP_TRACE => 1
> MP_USE_STATIC => 1
>
>
> *** /usr/local/src/web/apache2/mod_perl-2.0-cvs/../httpd-2.0.51/httpd -V
> Server version: Apache/2.0.51
> Server built: Sep 24 2004 03:14:03
> Server's Module Magic Number: 20020903:9
> 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/local/apache2"
> -D SUEXEC_BIN="/usr/local/apache2/bin/suexec"
> -D DEFAULT_PIDLOG="/var/run/apache2/logs/httpd.pid"
> -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
> -D DEFAULT_LOCKFILE="/var/run/apache2/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/usr/local/src/web/apache2/httpd-2.0.51/srclib/apr/.libs
> -L/usr/local/src/web/apache2/httpd-2.0.51/srclib/apr -lapr-0 -lrt -lm
> -lcrypt -lnsl -lpthread -ldl
> -L/usr/local/src/web/apache2/httpd-2.0.51/srclib/apr-util/.libs
> -L/usr/local/src/web/apache2/httpd-2.0.51/srclib/apr-util -laprutil-0
> -lgdbm -ldb3 -lexpat
>
>
>
> *** /usr/bin/perl -V
> Summary of my perl5 (revision 5.0 version 6 subversion 1) configuration:
> Platform:
> osname=linux, osvers=2.6.3-deb2-skas3, archname=i386-linux
> uname='linux mizar 2.6.3-deb2-skas3 #1 sun mar 14 14:46:35 pst
> 2004 i686 unknown '
> config_args='-Dccflags=-DDEBIAN -Dcccdlflags=-fPIC
> -Darchname=i386-linux -Dprefix=/usr -Dprivlib=/usr/share/perl/5.6.1
> -Darchlib=/usr/lib/perl/5.6.1 -Dvendorprefix=/usr
> -Dvendorlib=/usr/share/perl5 -Dvendorarch=/usr/lib/perl5
> -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl/5.6.1
> -Dsitearch=/usr/local/lib/perl/5.6.1 -Dman1dir=/usr/share/man/man1
> -Dman3dir=/usr/share/man/man3 -Dman1ext=1 -Dman3ext=3perl
> -Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Uusesfio -Duseshrplib
> -Dlibperl=libperl.so.5.6.1 -Dd_dosuid -des'
> hint=recommended, useposix=true, d_sigaction=define
> usethreads=undef use5005threads=undef useithreads=undef
> usemultiplicity=undef
> useperlio=undef d_sfio=undef uselargefiles=define usesocks=undef
> use64bitint=undef use64bitall=undef uselongdouble=undef
> Compiler:
> cc='cc', ccflags ='-DDEBIAN -fno-strict-aliasing
> -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
> optimize='-O2',
> cppflags='-DDEBIAN -fno-strict-aliasing -I/usr/local/include'
> ccversion='', gccversion='2.95.4 20011002 (Debian prerelease)',
> 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, usemymalloc=n, prototype=define
> Linker and Libraries:
> ld='cc', ldflags =' -L/usr/local/lib'
> libpth=/usr/local/lib /lib /usr/lib
> libs=-lgdbm -ldb -ldl -lm -lc -lcrypt
> perllibs=-ldl -lm -lc -lcrypt
> libc=/lib/libc-2.2.5.so, so=so, useshrplib=true,
> libperl=libperl.so.5.6.1
> Dynamic Linking:
> dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
> cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'
>
>
> Characteristics of this binary (from libperl):
> Compile-time options: USE_LARGE_FILES
> Built under linux
> Compiled at Apr 4 2004 05:57:53
> %ENV:
> PERL_LWP_USE_HTTP_10="1"
> @INC:
> /usr/local/lib/perl/5.6.1
> /usr/local/share/perl/5.6.1
> /usr/lib/perl5
> /usr/share/perl5
> /usr/lib/perl/5.6.1
> /usr/share/perl/5.6.1
> /usr/local/lib/site_perl
> .
>
> *** Packages of interest status:
>
> Apache::Request: -
> CGI : 2.752
> LWP : 5.64, 5.69
> mod_perl : 1.29, 1.9917
>
>
> 3. This is the core dump trace: (if you get a core dump):
>
> (gdb) run -X
> Starting program: /usr/local/src/web/apache2/httpd-2.0.51/.libs/httpd -X
> [New Thread 1024 (LWP 20270)]
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 1024 (LWP 20270)]
> 0x4008df0b in Perl_newSVpvn () from /usr/lib/libperl.so.5.6
> (gdb) bt
> #0 0x4008df0b in Perl_newSVpvn () from /usr/lib/libperl.so.5.6
> #1 0x40036262 in perl_parse () from /usr/lib/libperl.so.5.6
> #2 0x400360f0 in perl_parse () from /usr/lib/libperl.so.5.6
> #3 0x0806a8f9 in modperl_startup (s=0x8103cc8, p=0x80fe050) at
> mod_perl.c:234
> #4 0x0806a7d8 in modperl_startup (s=0x8103cc8, p=0x80fe050) at
> mod_perl.c:186
> #5 0x0806b6f1 in modperl_init (base_server=0x8103cc8, p=0x80fe050) at
> mod_perl.c:414
> #6 0x0806b870 in modperl_hook_init (pconf=0x80fe050, plog=0x8138138,
> ptemp=0x81140a8, s=0x8103cc8) at mod_perl.c:547
> #7 0x080ae0b9 in ap_run_open_logs (pconf=0x80fe050, plog=0x8138138,
> ptemp=0x81140a8, s=0x8103cc8) at config.c:144
> #8 0x080b4502 in main (argc=2, argv=0xbffffbf4) at main.c:600
> (gdb)
>
>
> This report was generated by t/REPORT on Fri Sep 24 02:19:31 2004 GMT.
>
> -------------8<---------- End Bug Report --------------8<----------
>
>
Re: brand new staticised mod_perl 1.99.16 / apache 2.0.51 segfaults.
Posted by "Philippe M. Chiasson" <go...@ectoplasm.org>.
Matthew Hodgson wrote:
> Hi,
>
> is there anything more I can do to try to assist with getting mod_perl2 to
> play nice with perl 5.6.1 (esp. when statically linked)?
No, your bug reports were very helpfull ;-)
Or is it time
> for me to finally upgrade all my servers to debian sarge, complete with
> perl 5.8.x?
Well, as much as Perl 5.8.x is superior to Perl 5.6.1 IMO, mod_perl is still
supported on 5.6.1. I am currently investigating the problems you are having
with 5.6.1. So, I might not upgrade just yet.
More on this later.
> cheers,
>
> Matthew.
>
>
> On Fri, 24 Sep 2004, Philippe M. Chiasson wrote:
>
>
>>Matthew Hodgson wrote:
>>
>>
>>>Stas Bekman wrote:
>>>
>>>
>>>>Matthew, please try the current cvs, Philippe has been working hard on
>>>>improving the static build since _16 was released.
>>>>http://perl.apache.org/download/source.html#Development_mod_perl_2_0_Source_Distribution
>>>
>>>
>>>
>>>Okay, my previous build using latest mod_perl cvs was slightly screwy due
>>>to not cleaning the build tree sufficiently & not realising that you now
>>>specify MP_USE_STATIC=1 to build a statically linked httpd. Armed with
>>>this knowledge, i'm happy to say that it doesn't crash under debian
>>>unstable - but under stable, the same problem presents itself. :(
>>>
>>>(under debian unstable, I had to export -I/usr/lib/perl/5.8/CORE/ in
>>>CPPFLAGS for it to find the right perl headers when compiling)
>>>
>>>-------------8<---------- Start Bug Report ------------8<----------
>>>1. Problem Description:
>>>
>>> mod_perl 2.0 CVS head + apache 2.0.51 segfault at startup under debian
>>>stable. I also had to butcher ./src/modules/perl/modperl_exports.c to
>>>remove non-existent symbol references to get it to compile.
>>
>>Can you list these symbols you had to rip out ?
>>
>>
>>>2. Used Components and their Configuration:
>>>
>>>*** mod_perl version 1.9917
>>>
>>>*** using
>>>/usr/local/src/web/apache2/mod_perl-2.0-cvs/lib/Apache/BuildConfig.pm
>>>
>>>*** Makefile.PL options:
>>>MP_APR_LIB => aprext
>>>MP_AP_CONFIGURE => --enable-maintainer-mode
>>>--prefix=/usr/local/apache2 --localstatedir=/var/run/apache2
>>>--with-mpm=prefork
>>> MP_AP_PREFIX =>
>>>/usr/local/src/web/apache2/mod_perl-2.0-cvs/../httpd-2.0.51
>>>MP_COMPAT_1X => 1
>>>MP_DEBUG => 1
>>>MP_GENERATE_XS => 1
>>>MP_INST_APACHE2 => 1
>>>MP_LIBNAME => mod_perl
>>>MP_TRACE => 1
>>>MP_USE_STATIC => 1
>>>
>>>
>>>*** /usr/local/src/web/apache2/mod_perl-2.0-cvs/../httpd-2.0.51/httpd -V
>>>Server version: Apache/2.0.51
>>>Server built: Sep 24 2004 03:14:03
>>>Server's Module Magic Number: 20020903:9
>>>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/local/apache2"
>>>-D SUEXEC_BIN="/usr/local/apache2/bin/suexec"
>>>-D DEFAULT_PIDLOG="/var/run/apache2/logs/httpd.pid"
>>>-D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
>>>-D DEFAULT_LOCKFILE="/var/run/apache2/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/usr/local/src/web/apache2/httpd-2.0.51/srclib/apr/.libs
>>>-L/usr/local/src/web/apache2/httpd-2.0.51/srclib/apr -lapr-0 -lrt -lm
>>>-lcrypt -lnsl -lpthread -ldl
>>>-L/usr/local/src/web/apache2/httpd-2.0.51/srclib/apr-util/.libs
>>>-L/usr/local/src/web/apache2/httpd-2.0.51/srclib/apr-util -laprutil-0
>>>-lgdbm -ldb3 -lexpat
>>>
>>>
>>>
>>>*** /usr/bin/perl -V
>>>Summary of my perl5 (revision 5.0 version 6 subversion 1) configuration:
>>>Platform:
>>>osname=linux, osvers=2.6.3-deb2-skas3, archname=i386-linux
>>>uname='linux mizar 2.6.3-deb2-skas3 #1 sun mar 14 14:46:35 pst
>>>2004 i686 unknown '
>>> config_args='-Dccflags=-DDEBIAN -Dcccdlflags=-fPIC
>>>-Darchname=i386-linux -Dprefix=/usr -Dprivlib=/usr/share/perl/5.6.1
>>>-Darchlib=/usr/lib/perl/5.6.1 -Dvendorprefix=/usr
>>>-Dvendorlib=/usr/share/perl5 -Dvendorarch=/usr/lib/perl5
>>>-Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl/5.6.1
>>>-Dsitearch=/usr/local/lib/perl/5.6.1 -Dman1dir=/usr/share/man/man1
>>>-Dman3dir=/usr/share/man/man3 -Dman1ext=1 -Dman3ext=3perl
>>>-Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Uusesfio -Duseshrplib
>>>-Dlibperl=libperl.so.5.6.1 -Dd_dosuid -des'
>>>hint=recommended, useposix=true, d_sigaction=define
>>>usethreads=undef use5005threads=undef useithreads=undef
>>>usemultiplicity=undef
>>>useperlio=undef d_sfio=undef uselargefiles=define usesocks=undef
>>>use64bitint=undef use64bitall=undef uselongdouble=undef
>>>Compiler:
>>> cc='cc', ccflags ='-DDEBIAN -fno-strict-aliasing -I/usr/local/include
>>>-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
>>>optimize='-O2',
>>>cppflags='-DDEBIAN -fno-strict-aliasing -I/usr/local/include'
>>>ccversion='', gccversion='2.95.4 20011002 (Debian prerelease)',
>>>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, usemymalloc=n, prototype=define
>>>Linker and Libraries:
>>>ld='cc', ldflags =' -L/usr/local/lib'
>>>libpth=/usr/local/lib /lib /usr/lib
>>>libs=-lgdbm -ldb -ldl -lm -lc -lcrypt
>>>perllibs=-ldl -lm -lc -lcrypt
>>>libc=/lib/libc-2.2.5.so, so=so, useshrplib=true,
>>>libperl=libperl.so.5.6.1
>>>Dynamic Linking:
>>>dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
>>>cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'
>>>
>>>
>>>Characteristics of this binary (from libperl):
>>>Compile-time options: USE_LARGE_FILES
>>>Built under linux
>>>Compiled at Apr 4 2004 05:57:53
>>>%ENV:
>>> PERL_LWP_USE_HTTP_10="1"
>>>@INC:
>>>/usr/local/lib/perl/5.6.1
>>>/usr/local/share/perl/5.6.1
>>>/usr/lib/perl5
>>>/usr/share/perl5
>>>/usr/lib/perl/5.6.1
>>>/usr/share/perl/5.6.1
>>>/usr/local/lib/site_perl
>>>.
>>>
>>>*** Packages of interest status:
>>>
>>>Apache::Request: -
>>>CGI : 2.752
>>>LWP : 5.64, 5.69
>>>mod_perl : 1.29, 1.9917
>>>
>>>
>>>3. This is the core dump trace: (if you get a core dump):
>>>
>>>(gdb) run -X
>>>Starting program: /usr/local/src/web/apache2/httpd-2.0.51/.libs/httpd -X
>>>[New Thread 1024 (LWP 20270)]
>>>
>>>Program received signal SIGSEGV, Segmentation fault.
>>>[Switching to Thread 1024 (LWP 20270)]
>>>0x4008df0b in Perl_newSVpvn () from /usr/lib/libperl.so.5.6
>>>(gdb) bt
>>>
>>>>0 0x4008df0b in Perl_newSVpvn () from /usr/lib/libperl.so.5.6
>>>>1 0x40036262 in perl_parse () from /usr/lib/libperl.so.5.6
>>>>2 0x400360f0 in perl_parse () from /usr/lib/libperl.so.5.6
>>>>3 0x0806a8f9 in modperl_startup (s=0x8103cc8, p=0x80fe050) at
>>>
>>>mod_perl.c:234
>>>#4 0x0806a7d8 in modperl_startup (s=0x8103cc8, p=0x80fe050) at
>>>mod_perl.c:186
>>>#5 0x0806b6f1 in modperl_init (base_server=0x8103cc8, p=0x80fe050) at
>>>mod_perl.c:414
>>>#6 0x0806b870 in modperl_hook_init (pconf=0x80fe050, plog=0x8138138,
>>>ptemp=0x81140a8, s=0x8103cc8) at mod_perl.c:547
>>>#7 0x080ae0b9 in ap_run_open_logs (pconf=0x80fe050, plog=0x8138138,
>>>ptemp=0x81140a8, s=0x8103cc8) at config.c:144
>>>#8 0x080b4502 in main (argc=2, argv=0xbffffbf4) at main.c:600
>>>(gdb)
>>>
>>>
>>>This report was generated by t/REPORT on Fri Sep 24 02:19:31 2004 GMT.
>>>
>>>-------------8<---------- End Bug Report --------------8<----------
>>>
>>>
>>
>>
>>
>
--
--------------------------------------------------------------------------------
Philippe M. Chiasson m/gozer\@(apache|cpan|ectoplasm)\.org/ GPG KeyID : 88C3A5A5
http://gozer.ectoplasm.org/ F9BF E0C2 480E 7680 1AE5 3631 CB32 A107 88C3A5A5
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