#41028 [Opn->Fbk]: mod_fastcgi and php process 100% cpu

ID: 41028 Updated by: tony2001@php.net Reported By: vaidotas dot d at gmail dot com -Status: Open +Status: Feedback Bug Type: CGI related Operating System: Linux 2.6.20 PHP Version: 5.2.1 New Comment: Please try using this CVS snapshot: http://snaps.php.net/php5.2-latest.tar.gz For Windows: http://snaps.php.net/win32/php5.2-win32-latest.zip Previous Comments: ------------------------------------------------------------------------ [2007-04-09 14:59:29] vaidotas dot d at gmail dot com Description: ------------ Apache 2.0.59 + mod_fastcgi + php 5.2.1. Sometimes php process becomes R in process list and takes 100% cpu. At that time php page cannot be served, instead i get 500 internal server error. Strace of that process i get: strace -p 28973 ........... clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb793c0c8) = 6977 wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 6976 clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb793c0c8) = 6978 --- SIGCHLD (Child exited) @ 0 (0) --- wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 6978 clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb793c0c8) = 6981 --- SIGCHLD (Child exited) @ 0 (0) --- wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 6981 clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb793c0c8) = 6983 .......... ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=41028&edit=1