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From Ben Evans <jedifree...@gmail.com>
Subject [mp2] panic pthread_key_create failed in apache 2.2/mod_perl 2.0.4
Date Thu, 21 Apr 2011 16:17:17 GMT
Hi,

-------------8<---------- Start Bug Report ------------8<----------
1. Problem Description:

I am running a web server configured via cpanel/whm ( Apache/2.2.16 (Unix)
mod_ssl/2.2.16 OpenSSL/0.9.8e-fips-rhel5
mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635
Phusion_Passenger/2.2.15 mod_perl/2.0.4 Perl/v5.8.8 )
with multiple sites hosted, some are ruby-on-rails / passenger sites and one
is Request Tracker - a perl based support
ticket system. RT is the only perl application I am running.

Every so often (about once every two weeks) I get this error in my apache
error log "panic: pthread_key_create failed"
during a process restart, which then brings down apache completely until
another process restart happens or I manually
restart it.

Doing some investigation on google points me at a bug that was fixed in
mod_perl 1.999_21 on January 22, 2005, which is
odd to me since I am running mod_perl 2.0.4.

Here are some posts and whatnot from that bugfix:

http://www.mail-archive.com/dev@perl.apache.org/msg09562.html
http://www.mail-archive.com/perl5-porters@perl.org/msg83913.html
https://bugzilla.redhat.com/show_bug.cgi?id=73486

2. Used Components and their Configuration:

*** mod_perl version 2.000004

*** using /home/cpeasyapache/src/mod_perl-2.0.4/lib/Apache2/BuildConfig.pm

*** Makefile.PL options:
  MP_APR_LIB     => aprext
  MP_APXS        => /usr/local/apache/bin/apxs
  MP_COMPAT_1X   => 1
  MP_GENERATE_XS => 1
  MP_LIBNAME     => mod_perl
  MP_USE_DSO     => 1

*** The httpd binary was not found

*** (apr|apu)-config linking info

 -L/usr/local/apache/lib -laprutil-1     -lexpat
 -L/usr/local/apache/lib -lapr-1 -luuid -lrt -lcrypt  -lpthread -ldl

*** /usr/bin/perl -V
Summary of my perl5 (revision 5 version 8 subversion 8) configuration:
  Platform:
    osname=linux, osvers=2.6.18-53.el5, archname=i386-linux-thread-multi
    uname='linux builder10.centos.org 2.6.18-53.el5 #1 smp mon nov 12
02:14:55 est 2007 i686 athlon i386 gnulinux '
    config_args='-des -Doptimize=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
-fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386
-mtune=generic -fasynchronous-unwind-tables -Dversion=5.8.8
-Dmyhostname=localhost -Dperladmin=root@localhost -Dcc=gcc -Dcf_by=Red Hat,
Inc. -Dinstallprefix=/usr -Dprefix=/usr -Darchname=i386-linux-thread-multi
-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=n -Ubincompat5005 -Uversiononly -Dpager=/usr/bin/less
-isr -Dd_gethostent_r_proto -Ud_endhostent_r_proto -Ud_sethostent_r_proto
-Ud_endprotoent_r_proto -Ud_setprotoent_r_proto -Ud_endservent_r_proto
-Ud_setservent_r_proto -Dinc_version_list=5.8.7 5.8.6 5.8.5
-Dscriptdir=/usr/bin'
    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 -fno-strict-aliasing
-pipe -Wdeclaration-after-statement -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm',
    optimize='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic
-fasynchronous-unwind-tables',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe
-Wdeclaration-after-statement -I/usr/local/include -I/usr/include/gdbm'
    ccversion='', gccversion='4.1.2 20080704 (Red Hat 4.1.2-46)',
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-2.5.so, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.5'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E
-Wl,-rpath,/usr/lib/perl5/5.8.8/i386-linux-thread-multi/CORE'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -g -pipe -Wall
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic
-fasynchronous-unwind-tables -L/usr/local/lib'

Characteristics of this binary (from libperl):
  Compile-time options: MULTIPLICITY PERL_IMPLICIT_CONTEXT
                        PERL_MALLOC_WRAP USE_ITHREADS USE_LARGE_FILES
                        USE_PERLIO USE_REENTRANT_API
  Built under linux
  Compiled at Sep  3 2009 10:26:46
  %ENV:
    PERL_LWP_USE_HTTP_10="1"
  @INC:
    /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi
    /usr/lib/perl5/site_perl/5.8.8
    /usr/lib/perl5/site_perl
    /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi
    /usr/lib/perl5/vendor_perl/5.8.8
    /usr/lib/perl5/vendor_perl
    /usr/lib/perl5/5.8.8/i386-linux-thread-multi
    /usr/lib/perl5/5.8.8
    .

*** Packages of interest status:

Apache2            : -
Apache2::Request   : -
CGI                : 3.52
ExtUtils::MakeMaker: 6.56
LWP                : 6.01
mod_perl           : -
mod_perl2          : 2.000004

3. This is the core dump trace: (if you get a core dump):

  n/a

This report was generated by /usr/bin/mp2bug on Thu Apr 21 15:38:59 2011
GMT.

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