(gdb) run /usr/bin/phpunit 
Starting program: /usr/bin/php /usr/bin/phpunit
[Thread debugging using libthread_db enabled]
midgard-core (pid:11143):(CRITICAL ):midgard_core_object_property_refuse_private: assertion `mgd != NULL' failed
midgard-core (pid:11143):(CRITICAL ):midgard_core_object_property_refuse_private: assertion `mgd != NULL' failed
midgard-core (pid:11143):(CRITICAL ):midgard_core_object_property_refuse_private: assertion `mgd != NULL' failed
midgard-core (pid:11143):(CRITICAL ):midgard_core_object_property_refuse_private: assertion `mgd != NULL' failed
midgard-core (pid:11143):(CRITICAL ):midgard_core_object_property_refuse_private: assertion `mgd != NULL' failed
PHPUnit 3.5.5 by Sebastian Bergmann.

I.IIISSSSSSSSSEFSEFEFE..EEEE..EE.ESSSSSSSSSSSSSSSSSSSSSSSSEE  60 / 552
..EEEEEEEFFSSSSSSSSSSSSSE..................SSSSSSSSSSSSSSSSS 120 / 552
EEI...EEEE......F..........F..........F..........F.......... 180 / 552
F..........F..........F......................F..........F... 240 / 552
.......F..........F..........F........ES.......
Program received signal SIGSEGV, Segmentation fault.
0x0000000000683db7 in _zval_ptr_dtor ()
(gdb) bt full
#0  0x0000000000683db7 in _zval_ptr_dtor ()
No symbol table info available.
#1  0x000000000069f2fe in _zend_hash_add_or_update ()
No symbol table info available.
#2  0x00007fffee8143db in php_midgard_zendobject_get_properties ()
   from /usr/lib/php5/20090626/midgard2.so
No symbol table info available.
#3  0x00000000006af194 in ?? ()
No symbol table info available.
#4  0x00000000006af1d2 in ?? ()
No symbol table info available.
#5  0x00000000006af1d2 in ?? ()
No symbol table info available.
#6  0x00000000006af1d2 in ?? ()
No symbol table info available.
#7  0x00000000006af1d2 in ?? ()
No symbol table info available.
#8  0x00000000006af1d2 in ?? ()
No symbol table info available.
#9  0x00000000006af1d2 in ?? ()
No symbol table info available.
#10 0x00000000006af1d2 in ?? ()
No symbol table info available.
#11 0x00000000006af1d2 in ?? ()
No symbol table info available.
#12 0x00000000006af1d2 in ?? ()
No symbol table info available.
#13 0x00000000006af1d2 in ?? ()
No symbol table info available.
#14 0x00000000006af1d2 in ?? ()
No symbol table info available.
#15 0x00000000006af1d2 in ?? ()
No symbol table info available.
#16 0x00000000006af1d2 in ?? ()
No symbol table info available.
#17 0x00000000006af1d2 in ?? ()
No symbol table info available.
#18 0x00000000006af1d2 in ?? ()
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#19 0x00000000006af1d2 in ?? ()
No symbol table info available.
#20 0x00000000006af425 in ?? ()
No symbol table info available.
#21 0x00000000006af9ec in gc_collect_cycles ()
No symbol table info available.
#22 0x00000000006afd62 in gc_zobj_possible_root ()
No symbol table info available.
#23 0x00000000006b8025 in ?? ()
No symbol table info available.
#24 0x00000000006b87d4 in execute ()
No symbol table info available.
#25 0x0000000000685b4f in zend_call_function ()
No symbol table info available.
#26 0x000000000053d1f2 in ?? ()
No symbol table info available.
#27 0x00000000006ded2d in ?? ()
No symbol table info available.
#28 0x00000000006b87d4 in execute ()
No symbol table info available.
#29 0x00000000006936b9 in zend_execute_scripts ()
No symbol table info available.
#30 0x0000000000640413 in php_execute_script ()
No symbol table info available.
#31 0x000000000072ddd4 in ?? ()
No symbol table info available.
#32 0x00007ffff55f5eff in __libc_start_main ()
   from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#33 0x0000000000428859 in _start ()
No symbol table info available.