This is the backtrace on a 64bit machine, Kubuntu Desktop.
(gdb) r -X
Starting program: /usr/sbin/apache2 -X
[Thread debugging using libthread_db enabled]
[New Thread 0x7fffebbcf700 (LWP 27511)]
[Thread 0x7fffebbcf700 (LWP 27511) exited]
Program received signal SIGSEGV, Segmentation fault.
zval_mark_grey (pz=0x7ffff99cf088) at
/build/buildd/php5-5.3.2/Zend/zend_gc.c:356
356 /build/buildd/php5-5.3.2/Zend/zend_gc.c: Arquivo ou diretório não
encontrado.
in /build/buildd/php5-5.3.2/Zend/zend_gc.c
(gdb) bt
#0 zval_mark_grey (pz=0x7ffff99cf088) at
/build/buildd/php5-5.3.2/Zend/zend_gc.c:356
#1 0x00007ffff3fa1ab5 in gc_collect_cycles () at
/build/buildd/php5-5.3.2/Zend/zend_gc.c:417
#2 0x00007ffff3f84215 in zend_deactivate () at
/build/buildd/php5-5.3.2/Zend/zend.c:972
#3 0x00007ffff3f2fd85 in php_request_shutdown (dummy=0x7ffff99cf088) at
/build/buildd/php5-5.3.2/main/main.c:1649
#4 0x00007ffff4010947 in php_handler (r=0x7ffff4010947) at
/build/buildd/php5-5.3.2/sapi/apache2handler/sapi_apache2.c:512
#5 0x00007ffff7fd6140 in ap_run_handler (r=0x7ffff863a288) at
/build/buildd/apache2-2.2.14/server/config.c:159
#6 0x00007ffff7fd9aa8 in ap_invoke_handler (r=0x7ffff863a288) at
/build/buildd/apache2-2.2.14/server/config.c:373
#7 0x00007ffff7fe7678 in ap_process_request (r=0x7ffff863a288) at
/build/buildd/apache2-2.2.14/modules/http/http_request.c:282
#8 0x00007ffff7fe4528 in ap_process_http_connection (c=0x7ffff862f668) at
/build/buildd/apache2-2.2.14/modules/http/http_core.c:190
#9 0x00007ffff7fddcf8 in ap_run_process_connection (c=0x7ffff862f668) at
/build/buildd/apache2-2.2.14/server/connection.c:43
#10 0x00007ffff7fec037 in child_main (child_num_arg=<value optimized out>) at
/build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:662
#11 0x00007ffff7fec306 in make_child (s=0x7ffff8214938, slot=0) at
/build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:702
#12 0x00007ffff7fec953 in ap_mpm_run (_pconf=<value optimized out>, plog=<value
optimized out>, s=<value optimized out>)
at /build/buildd/apache2-2.2.14/server/mpm/prefork/prefork.c:978
#13 0x00007ffff7fc2350 in main (argc=2, argv=0x7fffffffe708) at
/build/buildd/apache2-2.2.14/server/main.c:742
The original 32-bit server where the problem ocurred is in production
time now; I can only test on it later.
If I install Ubuntu Server on a VM, will be a valid test?
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https://bugs.launchpad.net/bugs/725812
Title:
PHP5.3.2 throws SEGV on gc_collect_cycles() on script shutdown
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