php5 assert failure: *** glibc detected *** /usr/bin/php: double free or corruption (!prev): 0x08c672e8 ***

Binary package hint: php5

lsb_release -rd
Description: Ubuntu Natty (development branch)
Release: 11.04

apt-cache policy php5
php5:
  Усталяваныя: 5.3.5-1ubuntu5
  Кандыдат: 5.3.5-1ubuntu5
  Табліца вэрсіяў:
 *** 5.3.5-1ubuntu5 0
        500 http://ftp.byfly.by/ubuntu/ natty/main i386 Packages
        100 /var/lib/dpkg/status

I ran the php with xdebug module for tracing my project.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: php5-cli 5.3.5-1ubuntu5
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
Architecture: i386
AssertionMessage: *** glibc detected *** /usr/bin/php: double free or corruption (!prev): 0x08c672e8 ***
CheckboxSubmission: 374fabc7cc5853bb56d3cfd08ed72cb4
CheckboxSystem: 0531969bcfd4f03af7405c98dc94a948
Date: Mon Mar 28 13:31:23 2011
ExecutablePath: /usr/bin/php5
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20101202)
ProcCmdline: /usr/bin/php /tmp/tmpu4rv78.php
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=be_BY:ru_RU:ru:en_GB:en
 LANG=ru_RU.UTF-8
 LC_MESSAGES=be_BY.UTF-8
Signal: 6
SourcePackage: php5
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
Title: php5 assert failure: *** glibc detected *** /usr/bin/php: double free or corruption (!prev): 0x08c672e8 ***
UpgradeStatus: Upgraded to natty on 2011-03-25 (2 days ago)
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