Topic: php70-php-pecl-apcu.x86_64 0:5.1.4-1.el6.remi zend zend_mm_heap
After upgrading php70-php-pecl-apcu.x86_64 to "0:5.1.4-1.el6.remi ", php-fpm processes crash "randomly". FPM logs:
[13-May-2016 14:01:41] WARNING: [pool www_tcp_php7] child 29150 said into stderr: "zend_mm_heap corrupted"
Downgrade to "php70-php-pecl-apcu.x86_64 0:5.1.3-1.el6.remi" resolves the problem.
I don't know the root cause, I'm just reporting the problem.
uname -a
Linux xyz 2.6.32-504.30.3.el6.x86_64 #1 SMP Wed Jul 15 10:13:09 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux