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From Sean Thorne <sean.tho...@gmail.com>
Subject Apache Children get stuck on futex
Date Fri, 26 Jun 2009 17:24:28 GMT
Hi,
	I'm having an issue where Apache Children attempt to close and get  
stuck on a futex call.  Has anyone seen this before? I'd appreciate  
really any help or feedback.  I've scoured the net looking for an  
answer, but can't seem to find a resolution.

Thanks,
Sean

[sthorne@81082-rpt02 build]$ perl config.pl
*** mod_perl version 2.000004

*** using /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/ 
Apache2/BuildConfig.pm

*** Makefile.PL options:
   MP_APR_LIB      => aprext
   MP_APXS         => /my_install/apps/apache/bin/apxs
   MP_AP_CONFIGURE => --with-mpm=prefork
   MP_COMPAT_1X    => 1
   MP_GENERATE_XS  => 1
   MP_LIBNAME      => mod_perl
   MP_USE_DSO      => 1


*** The httpd binary was not found

*** I'll paste it anyway
Server version: Apache/2.2.6 (Unix)
Server built:   Nov 23 2007 01:14:36
Server's Module Magic Number: 20051115:5
Server loaded:  APR 1.2.11, APR-Util 1.2.10
Compiled using: APR 1.2.11, APR-Util 1.2.10
Architecture:   32-bit
Server MPM:     Worker
   threaded:     yes (fixed thread count)
     forked:     yes (variable process count)
Server compiled with....
  -D APACHE_MPM_DIR="server/mpm/worker"
  -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 DYNAMIC_MODULE_LIMIT=128
  -D HTTPD_ROOT="/my_install/apps/apache"
  -D SUEXEC_BIN="/my_install/apps/apache/bin/suexec"
  -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
  -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

(apr|apu)-config scripts were not found

*** I'll paste anyway
APR_MAJOR_VERSION="1"
APR_DOTTED_VERSION="1.2.11"

prefix="/my_install/apps/apache"
exec_prefix="/my_install/apps/apache"
bindir="${prefix}/bin"
libdir="${prefix}/lib"
datadir="/my_install/apps/apache"
installbuilddir="${prefix}/build"
includedir="/my_install/apps/apache/include"

CC="gcc"
CPP="gcc -E"
SHELL="/bin/sh"
CPPFLAGS="-DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -D_LARGEFILE64_SOURCE"
CFLAGS="-g -O2 -pthread"
LDFLAGS=""
LIBS="-lrt -lcrypt  -lpthread -ldl"
EXTRA_INCLUDES=""
SHLIBPATH_VAR="LD_LIBRARY_PATH"
APR_SOURCE_DIR="/home/msabbota/pkgs/pkgs/httpd-2.2.6/srclib/apr"
APR_BUILD_DIR="/home/msabbota/pkgs/pkgs/httpd-2.2.6/srclib/apr"
APR_SO_EXT="lo"
APR_LIB_TARGET="-rpath \$(libdir) \$(OBJECTS)"
APR_LIBNAME="apr-${APR_MAJOR_VERSION}"

APRUTIL_MAJOR_VERSION="1"
APRUTIL_DOTTED_VERSION="1.2.10"

prefix="/my_install/apps/apache"
exec_prefix="/my_install/apps/apache"
bindir="${prefix}/bin"
libdir="${prefix}/lib"
includedir="/my_install/apps/apache/include"

LIBS="/home/msabbota/pkgs/pkgs/httpd-2.2.6/srclib/apr-util/xml/expat/ 
lib/libexpat.la"
INCLUDES="-I/home/msabbota/pkgs/pkgs/httpd-2.2.6/srclib/apr-util/xml/ 
expat/lib"
LDFLAGS=""

APRUTIL_LIBNAME="aprutil-${APRUTIL_MAJOR_VERSION}"

APU_SOURCE_DIR="/home/msabbota/pkgs/pkgs/httpd-2.2.6/srclib/apr-util"
APU_BUILD_DIR="/home/msabbota/pkgs/pkgs/httpd-2.2.6/srclib/apr-util"
APR_XML_EXPAT_OLD="@APR_XML_EXPAT_OLD@"
APU_DB_VERSION="0"




*** /usr/bin/perl -V
Summary of my perl5 (revision 5 version 8 subversion 5) configuration:
   Platform:
     osname=linux, osvers=2.6.9-67.0.7.elsmp, archname=i386-linux- 
thread-multi
     uname='linux hs20-bc1-5.build.redhat.com 2.6.9-67.0.7.elsmp #1  
smp wed feb 27 04:47:23 est 2008 i686 i686 i386 gnulinux '
     config_args='-des -Doptimize=-O2 -g -pipe -m32 -march=i386 - 
mtune=pentium4 -Dversion=5.8.5 -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 -Dinc_version_list=5.8.4 5.8.3 5.8.2 5.8.1 5.8.0'
     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 -DDEBUGGING -fno- 
strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE - 
D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm',
     optimize='-O2 -g -pipe -m32 -march=i386 -mtune=pentium4',
     cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBUGGING -fno-strict- 
aliasing -pipe -I/usr/local/include -I/usr/include/gdbm'
     ccversion='', gccversion='3.4.6 20060404 (Red Hat 3.4.6-9)',  
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=-lresolv -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lpthread  
-lc
     perllibs=-lresolv -lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
     libc=/lib/libc-2.3.4.so, so=so, useshrplib=true, libperl=libperl.so
     gnulibc_version='2.3.4'
   Dynamic Linking:
     dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E - 
Wl,-rpath,/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE'
     cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'


Characteristics of this binary (from libperl):
   Compile-time options: DEBUGGING MULTIPLICITY USE_ITHREADS  
USE_LARGE_FILES PERL_IMPLICIT_CONTEXT
   Built under linux
   Compiled at Jun  5 2008 07:33:47
   %ENV:
     PERL_LWP_USE_HTTP_10="1"
   @INC:
     /usr/lib/perl5/5.8.5/i386-linux-thread-multi
     /usr/lib/perl5/5.8.5
     /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi
     /usr/lib/perl5/site_perl/5.8.4/i386-linux-thread-multi
     /usr/lib/perl5/site_perl/5.8.3/i386-linux-thread-multi
     /usr/lib/perl5/site_perl/5.8.2/i386-linux-thread-multi
     /usr/lib/perl5/site_perl/5.8.1/i386-linux-thread-multi
     /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi
     /usr/lib/perl5/site_perl/5.8.5
     /usr/lib/perl5/site_perl/5.8.4
     /usr/lib/perl5/site_perl/5.8.3
     /usr/lib/perl5/site_perl/5.8.2
     /usr/lib/perl5/site_perl/5.8.1
     /usr/lib/perl5/site_perl/5.8.0
     /usr/lib/perl5/site_perl
     /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi
     /usr/lib/perl5/vendor_perl/5.8.4/i386-linux-thread-multi
     /usr/lib/perl5/vendor_perl/5.8.3/i386-linux-thread-multi
     /usr/lib/perl5/vendor_perl/5.8.2/i386-linux-thread-multi
     /usr/lib/perl5/vendor_perl/5.8.1/i386-linux-thread-multi
     /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi
     /usr/lib/perl5/vendor_perl/5.8.5
     /usr/lib/perl5/vendor_perl/5.8.4
     /usr/lib/perl5/vendor_perl/5.8.3
     /usr/lib/perl5/vendor_perl/5.8.2
     /usr/lib/perl5/vendor_perl/5.8.1
     /usr/lib/perl5/vendor_perl/5.8.0
     /usr/lib/perl5/vendor_perl

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