Hi all.
On some of my servers php keeps dumping core on some requests. There are
days that it dumps core almost continuously. However there are days it
works smoothly.
FreeBSD kohrah.xim.bz 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #0 r236967:
Tue Jun 12 22:25:24 EEST 2012
[email protected]:/usr/obj/usr/src/sys/MINIMAL amd64
The general cause is:
Jul 23 16:27:09 kohrah kernel: pid 49951 (php-fpm), uid 80: exited on
signal 11 (core dumped)
And in very rare case:
[23-Jul-2012 16:26:40] WARNING: [pool www] child 49887 said into stderr:
"zend_mm_heap corrupted"
[23-Jul-2012 16:26:40] WARNING: [pool www] child 49887 exited with code
1 after 36.791579 seconds from start
There's a backtrace on the core:
#0 0x000000000056b9fe in gc_zval_possible_root ()
[New Thread 802007400 (LWP 149340/php-fpm)]
(gdb) bt full
#0 0x000000000056b9fe in gc_zval_possible_root ()
No symbol table info available.
#1 0x000000000055ce83 in zend_hash_destroy ()
No symbol table info available.
#2 0x000000000056f79e in zend_objects_free_object_storage ()
No symbol table info available.
#3 0x0000000000572757 in zend_objects_store_free_object_storage ()
No symbol table info available.
#4 0x00000000005465eb in shutdown_executor ()
No symbol table info available.
#5 0x0000000000552400 in zend_deactivate ()
No symbol table info available.
#6 0x0000000000506506 in php_request_shutdown ()
No symbol table info available.
#7 0x00000000005d0548 in main ()
No symbol table info available.
What other data I should collect to file a PR? Or is this just a memory
problem?
--
Sphinx of black quartz judge my vow.
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