Bug #68338 [NEW]: Slowly Cascading Segfaults

From: john at boxrec dot com Operating system: Ubuntu 14.04 PHP version: 5.6.2 Package: Apache related Bug Type: Bug Bug description:Slowly Cascading Segfaults Description: ------------ When I start the server under load and it segfaults every 5 mins and this rate increases until after a few hours it's several times a second. [Mon Nov 03 00:29:46.131169 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27525 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:47.133226 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27619 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:48.134335 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27499 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:48.134376 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27501 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:48.134392 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27650 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:48.134405 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27652 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:50.137747 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27712 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:51.140250 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27741 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:51.140285 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27742 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:52.141397 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27800 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:52.141433 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27813 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:52.141451 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27844 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:53.142870 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27801 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:54.144862 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27917 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:55.147567 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27946 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:55.147605 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 27947 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:56.148701 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28004 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:56.148733 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28056 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:58.152316 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28118 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:29:59.153407 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28148 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:00.154893 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28023 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:00.154935 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28147 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:01.156848 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28005 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:01.156884 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28210 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:02.159563 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28248 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:02.159597 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28249 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:03.160655 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28423 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:04.162373 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28358 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:04.162418 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28378 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:05.164448 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28481 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:05.422892 2014] [mpm_event:notice] [pid 11695:tid 139978632546112] AH00493: SIGUSR1 received. Doing graceful restart [Mon Nov 03 00:30:05.490666 2014] [mpm_event:notice] [pid 11695:tid 139978632546112] AH00489: Apache/2.4.10 (Unix) PHP/5.6.2 configured -- resuming normal operations [Mon Nov 03 00:30:05.490686 2014] [core:notice] [pid 11695:tid 139978632546112] AH00094: Command line: '/usr/local/apache2/bin/httpd' [Mon Nov 03 00:30:05.490707 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28513 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:30:52.541270 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28795 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:34:54.790968 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28831 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:38:39.022670 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29059 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:40:07.114836 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29122 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:40:28.136785 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29171 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:41:36.209412 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29202 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:44:24.384207 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29231 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:46:20.506009 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29272 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:48:16.629620 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29326 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:49:45.724228 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29387 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:50:14.755809 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29430 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:51:49.855736 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29465 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:56:05.122066 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28706 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:57:38.218295 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 29595 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 00:58:23.265863 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28704 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 [Mon Nov 03 01:02:35.525193 2014] [core:notice] [pid 11695:tid 139978632546112] AH00051: child pid 28731 exit signal Segmentation fault (11), possible coredump in /usr/local/apache2 -- Edit bug report at https://bugs.php.net/bug.php?id=68338&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68338&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68338&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68338&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68338&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68338&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68338&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68338&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68338&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68338&r=support Expected behavior: https://bugs.php.net/fix.php?id=68338&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68338&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68338&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68338&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68338&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68338&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68338&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68338&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68338&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68338&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68338&r=mysqlcfg