sean.thorne at gmail
Jun 26, 2009, 10:24 AM
Views: 599
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Apache Children get stuck on futex
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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[at]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[at]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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Apache Children get stuck on futex