Re: mod_perl-2.0.4 with Apache 2.2.9 and perl 5.10.0 intermittent crashing

I'm seeing the same thing on my DEV server which is:

Server: Apache/2.2.11 (Ubuntu) mod_perl/2.0.4 Perl/v5.10.0

I see it in the mornings when it has been sitting around all night doing 
nothing, and the first couple hits result in core dumps/seg faults, then 
after pounding REFRESH like a mad monkey a couple times it then works.

This is on an Amazon EC2 Ubuntu 9.04 jaunty AMI built by Eric Hammond
http://alestic.com  http://ec2ubuntu-group.notlong.com

perl -V:

Summary of my perl5 (revision 5 version 10 subversion 0) configuration:
   Platform:
     osname=linux, osvers=2.6.24-23-server, 
archname=i486-linux-gnu-thread-multi
     uname='linux rothera 2.6.24-23-server #1 smp wed apr 1 22:22:14 utc 
2009 i686 gnulinux '
     config_args='-Dusethreads -Duselargefiles -Dccflags=-DDEBIAN 
-Dcccdlflags=-fPIC -Darchname=i486-linux-gnu -Dprefix=/usr 
-Dprivlib=/usr/share/perl/5.10 -Darchlib=/usr/lib/perl/5.10 
-Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5 
-Dvendorarch=/usr/lib/perl5 -Dsiteprefix=/usr/local 
-Dsitelib=/usr/local/share/perl/5.10.0 
-Dsitearch=/usr/local/lib/perl/5.10.0 -Dman1dir=/usr/share/man/man1 
-Dman3dir=/usr/share/man/man3 -Dsiteman1dir=/usr/local/man/man1 
-Dsiteman3dir=/usr/local/man/man3 -Dman1ext=1 -Dman3ext=3perl 
-Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Ud_ualarm -Uusesfio 
-Uusenm -DDEBUGGING=-g -Doptimize=-O2 -Duseshrplib 
-Dlibperl=libperl.so.5.10.0 -Dd_dosuid -des'
     hint=recommended, useposix=true, d_sigaction=define
     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 -DDEBIAN 
-fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE 
-D_FILE_OFFSET_BITS=64',
     optimize='-O2 -g',
     cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fno-strict-aliasing 
-pipe -I/usr/local/include'
     ccversion='', gccversion='4.3.3', 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/usr/local/lib'
     libpth=/usr/local/lib /lib /usr/lib /usr/lib64
     libs=-lgdbm -lgdbm_compat -ldb -ldl -lm -lpthread -lc -lcrypt
     perllibs=-ldl -lm -lpthread -lc -lcrypt
     libc=/lib/libc-2.9.so, so=so, useshrplib=true, 
libperl=libperl.so.5.10.0
     gnulibc_version='2.9'
   Dynamic Linking:
     dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
     cccdlflags='-fPIC', lddlflags='-shared -O2 -g -L/usr/local/lib'


Characteristics of this binary (from libperl):
   Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV
                         PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP USE_ITHREADS
                         USE_LARGE_FILES USE_PERLIO USE_REENTRANT_API
   Built under linux
   Compiled at Jun 26 2009 18:23:00
   @INC:
     /etc/perl
     /usr/local/lib/perl/5.10.0
     /usr/local/share/perl/5.10.0
     /usr/lib/perl5
     /usr/share/perl5
     /usr/lib/perl/5.10
     /usr/share/perl/5.10
     /usr/local/lib/site_perl
     .


Of course this could also just be all the illegitimate bastard apache 
children I have been spawning being totally unprepared to answer a real 
web request, but I'm keeping an eye on this server...

Tosh


Pas Argenio wrote:
> Sorry if this is naive, but has anyone gotten this combo to work?  
> Upgraded to Apache 2.2.14, now crash on almost every request, then next 
> httpd picks up the request and actually displays the page...
> 
> I've got massive core dumps all ending in malloc/free, truss shows last 
> operation was close()

-- 
McIntosh Cooey - Twelve Hundred Group LLC - http://www.1200group.com/