001+ Thu May 9 12:23:29 2013 (12108): Fatal Error Unable to allocate shared memory segment of 67108864 bytes: mmap: No space left on device (28)
001- 1_callback
002- 2
003- data_callback
004- array(2) {
005- ["a"]=>
006- string(10) "1_callback"
007- ["b"]=>
008- int(2)
009- }