[Bug 420389] [NEW] php 5.2.6 'random' segfault
Pieter Steyn
pieterste at gmail.com
Fri Aug 28 09:26:54 BST 2009
Public bug reported:
Binary package hint: php5-cli
I'm getting random php segfaults in my /var/log/messages file:
ug 28 09:28:02 www kernel: [122051.459511] php[15082]: segfault at 7f2459eecf3b ip 00007f2459c8a4ef sp 00007f2457ff3c60 error 4 in libgcc_s.so.1[7f2459c7a000+16000]
Aug 28 09:47:01 www kernel: [123191.280575] php[21125]: segfault at 7fd16f10ef30 ip 00007fd16f10ef30 sp 00007fd16d2160f8 error 14 in libuuid.so.1.2[7fd16fb36000+3000]
Aug 28 10:14:07 www -- MARK --
Aug 28 10:16:01 www kernel: [124931.139171] php[29406]: segfault at 7f16486c4f30 ip 00007f16486c4f30 sp 00007f16467cc0f8 error 14 in librt-2.9.so[7f164da68000+7000]
These are most likely triggered by some of my cron jobs which are php
scripts, but it seems completely random. Sometime the script will
complete without segfaulting, other times it will fault.
I've never had these segfaults on the Centos 5.3 machine I migrated
from.
Here is an example of how to reproduce:
<?php
$a = 2;
$b = 1;
$c = $a ^ $b;
var_dump($c);
?>
Run this script on the command line, and once out of about 30 times it
will segfault.
Here is a link to someone else who had the same problem a few months ago
but found no solution:
http://osdir.com/ml/ubuntu-users/2009-06/msg02580.html
Some details:
root at www:~# lsb_release -rd
Description: Ubuntu 9.04
Release: 9.04
root at www:~# uname -a
Linux www.servername.com 2.6.28-15-server #49-Ubuntu SMP Tue Aug 18 20:09:37 UTC 2009 x86_64 GNU/Linux
root at www:~# apt-cache policy php5-cli
php5-cli:
Installed: 5.2.6.dfsg.1-3ubuntu4.2
Candidate: 5.2.6.dfsg.1-3ubuntu4.2
Version table:
*** 5.2.6.dfsg.1-3ubuntu4.2 0
500 http://za.archive.ubuntu.com jaunty-updates/main Packages
500 http://security.ubuntu.com jaunty-security/main Packages
100 /var/lib/dpkg/status
5.2.6.dfsg.1-3ubuntu4 0
500 http://za.archive.ubuntu.com jaunty/main Packages
root at www:~# php -m:
[PHP Modules]
bcmath
bz2
calendar
ctype
curl
date
dba
dom
exif
filter
ftp
gd
gettext
gmp
hash
iconv
imagick
json
libxml
mbstring
mime_magic
mssql
mysql
mysqli
ncurses
openssl
pcntl
pcre
PDO
pdo_dblib
pdo_mysql
pdo_pgsql
pgsql
posix
pspell
readline
Reflection
session
shmop
SimpleXML
soap
sockets
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
wddx
xml
xmlreader
xmlrpc
xmlwriter
zip
zlib
[Zend Modules]
Hope this is enough information,
Thanks,
Pieter
** Affects: php5 (Ubuntu)
Importance: Undecided
Status: New
--
php 5.2.6 'random' segfault
https://bugs.launchpad.net/bugs/420389
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