From: vaidotas dot d at gmail dot com
Operating system: Linux 2.6.20
PHP version: 5.2.1
PHP Bug Type: CGI related
Bug description: mod_fastcgi and php process 100% cpu
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 bug report at http://bugs.php.net/?id=41028&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=41028&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=41028&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=41028&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=41028&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=41028&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=41028&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=41028&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=41028&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=41028&r=support
Expected behavior: http://bugs.php.net/fix.php?id=41028&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=41028&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=41028&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=41028&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=41028&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=41028&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=41028&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=41028&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=41028&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=41028&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=41028&r=mysqlcfg
