Bug #70749 [Opn->Fbk]: try...catch with set_error_handler throttle all CPU cores overheat - freeze O/S

Edit report at https://bugs.php.net/bug.php?id=70749&edit=1 ID: 70749 Updated by: ab@php.net Reported by: ryan dot jentzsch at gmail dot com Summary: try...catch with set_error_handler throttle all CPU cores overheat - freeze O/S -Status: Open +Status: Feedback Type: Bug Package: Performance problem Operating System: Linux Mint 17.2 PHP Version: 7.0.0RC5 Block user comment: N Private report: N New Comment: Do you have xdebug, uopz or other similar extension activated? If so, please try to deactiate it and retry the script. Thanks. Previous Comments: ------------------------------------------------------------------------ [2015-10-20 06:48:45] ryan dot jentzsch at gmail dot com Description: ------------ PHP 7 RC5 If I run the referenced script using PHP 5.6.14 there are no problems. Running this using the PHP 7 engine however results in a number of very bad things: - My laptop fans go crazy. - My 4 core CPUs are maxed. - My laptop starts to overheat. - The O/S either freezes or the kernel panics. Linux Mint 17.2 Intel 64-bit Test script: --------------- Script to produce problem. https://www.dropbox.com/s/uqmccqm9ts0xgrd/test.php?dl=0 Configuration: https://www.dropbox.com/s/jguszkigzxnce47/config.txt?dl=0 Expected result: ---------------- In PHP 5.6.14 I see this (I would expect the same from PHP 7): Caught exception: YOLO Process finished with exit code 0 Actual result: -------------- - My laptop fans go crazy. - My 4 core CPUs are maxed. - My laptop starts to overheat. - The O/S either freezes or the kernel panics. ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=70749&edit=1