Doug,
I think I just figured out my problem. I upgraded my system, but was using a
version of perl that I had compiled before my upgrade (duh!). I set up an
httpd server that came with redhat 6.2 (and mod_perl 1.23) and things seems to
work fine. It looks like i need to recompile perl :).
-Mark
Mark Haviland wrote:
> Hi Doug,
>
> Sorry for the delayed response - I just got back into town yesterday so was
> 'out of action' for awhile.
>
> Doug MacEachern wrote:
>
> > On Fri, 12 May 2000, Mark Haviland wrote:
> >
> > > Hey all...
> > >
> > > I just upgraded my box to redhat 6.2.2 and compiled Apache 1.3.12 with
> > > mod_perl (1.23) as a DSO (outside the Apache tree using apxs). Now,
> > > modules that use to work are suddenly causing seg faults. The one in
> > > particular that doens't seem to jive with mod_perl is Sybase::CTlib.
> > > Has anybody else seen this problem ?
> >
> > what versions of things did you upgrade from? where you using dso with
> > the older versions?
>
> I upgraded from mod_perl 1.21. Yes I was using dso with the prior
> version. Here's some info about the version of perl that I compiled
> against:
>
> Summary of my perl5 (5.0 patchlevel 5 subversion 3) configuration:
> Platform:
> osname=linux, osvers=2.2.5-15, archname=i686-linux
> uname='linux hsimrhpc1.harmonic.com 2.2.5-15 #1 mon apr 19 23:00:46 edt
> 1999 i686 unknown '
> hint=previous, useposix=true, d_sigaction=define
> usethreads=undef useperlio=undef d_sfio=undef
> Compiler:
> cc='cc', optimize='-O2', gccversion=egcs-2.91.66 19990314/Linux
> (egcs-1.1.2 release)
> cppflags='-Dbool=char -DHAS_BOOL'
> ccflags ='-Dbool=char -DHAS_BOOL'
> stdchar='char', d_stdstdio=undef, usevfork=false
> intsize=4, longsize=4, ptrsize=4, doublesize=8
> d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
> alignbytes=4, usemymalloc=n, prototype=define
> Linker and Libraries:
> ld='cc', ldflags =' -L/usr/local/lib'
> libpth=/usr/local/lib /lib /usr/lib
> libs=-lnsl -lndbm -lgdbm -ldb -ldl -lm -lc -lposix -lcrypt
> libc=, so=so, useshrplib=false, libperl=libperl.a
> 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):
> Built under linux
> Compiled at Oct 13 1999 10:39:19
> %ENV:
> PERL5LIB="/usr/hsi/perl5/lib"
> @INC:
> /usr/hsi/perl5/lib
> /usr/hsi/perl5/lib/5.00503/i686-linux
> /usr/hsi/perl5/lib/5.00503
> /usr/hsi/perl5/lib/site_perl/5.005/i686-linux
> /usr/hsi/perl5/lib/site_perl/5.005
> .
>
> >
> >
> > > unload_xs_so: 0x8396fc0
> >
> > hmm, i wonder if the dso "fix" broke things for you, what happens if you
> > comment out this line of mod_perl.c:
> > unload_xs_so(librefs);
>
> I uncommented the line and now the server (httpd) just cores when I attempt
> to start...
>
> /usr/hsi/apache-1.3.12/bin/hsi-httpd -X -f
> /usr/hsi/apache-1.3.12/conf/hsi-httpd.conf.2080
> perl_parse args: '/dev/null' ...allocating perl interpreter...ok
> constructing perl interpreter...ok
> ok
> running perl interpreter...ok
> mod_perl: 0 END blocks encountered during server startup
> loading perl module 'Apache'...loading perl module
> 'Apache::Constants::Exports'...ok
> ok
> loading perl module 'Tie::IxHash'...ok
> perl_section: </FilesMatch>
> perl_section: </DirectoryMatch>
> perl_section: </Files>
> perl_section: </Directory>
> perl_section: </VirtualHost>
> perl_section: </LocationMatch>
> perl_section: </Location>
> PerlRequire: arg=`conf/startup_cfg.pl'
> attempting to require `conf/startup_cfg.pl'
> Segmentation fault (core dumped)
>
> It seems that is cores when it reaches the line for "use Sybase::CTlib;"
> in my 'conf/statup_cfg.pl' file.
>
> Now, when I look at the CTlib.pm I notice the following:
>
> package Sybase::CTlib;
>
> require Exporter;
> use AutoLoader;
> require DynaLoader;
>
> use Carp;
> .
> .
> .
>
> Perhaps something to do with the Exporter or DynaLoader ??
>
> -Mark
