Hi Stas,
We've just found one more critical problem in 5.4.
Apache/PHP crashes in case of error on startup, when
display_startup_errors=1. It's probably related to new output API.
I afraid it may affect many php users.
#0 0x00007ff4509cb471 in php_apache_sapi_header_handler
(sapi_header=0x7fff9176cda0, op=SAPI_HEADER_ADD,
sapi_headers=0x7ff450f037b0)
at /php-5.4.0RC6/sapi/apache2handler/sapi_apache2.c:124
#1 0x00007ff450811414 in sapi_header_add_op (op=SAPI_HEADER_ADD,
sapi_header=0x7fff9176cda0) at /php-5.4.0RC6/main/SAPI.c:618
#2 0x00007ff450811e33 in sapi_send_headers () at
/php-5.4.0RC6/main/SAPI.c:835
#3 0x00007ff450791b10 in php_header () at
/php-5.4.0RC6/ext/standard/head.c:68
#4 0x00007ff45081d44c in php_output_op (op=0, str=0x7ff45779bac8
"\nWarning: Module 'Phar' already loaded in Unknown on line 0\n", len=60)
at /php-5.4.0RC6/main/output.c:1020
#5 0x00007ff45081b993 in php_output_write (str=0x7ff45779bac8
"\nWarning: Module 'Phar' already loaded in Unknown on line 0\n", len=60)
at /php-5.4.0RC6/main/output.c:201
#6 0x00007ff450802c55 in php_printf (format=0x7ff450c1d669 "%s\n%s: %s
in %s on line %d\n%s") at /php-5.4.0RC6/main/main.c:673
#7 0x00007ff45080410c in php_error_cb (type=32,
error_filename=0x7ff450c32a0b "Unknown", error_lineno=0,
format=0x7ff450c33132 "Module '%s' already loaded",
args=0x7fff9176d200) at /php-5.4.0RC6/main/main.c:1089
#8 0x00007ff45089267d in zend_error (type=32, format=0x7ff450c33132
"Module '%s' already loaded") at /php-5.4.0RC6/Zend/zend.c:1082
#9 0x00007ff45089aac8 in zend_register_module_ex
(module=0x7ff44649de00) at /php-5.4.0RC6/Zend/zend_API.c:1832
#10 0x00007ff45077da51 in php_load_extension (filename=0x7ff45779b008
"phar.so", type=1, start_now=0)
at /php-5.4.0RC6/ext/standard/dl.c:237
#11 0x00007ff45080ed28 in php_load_php_extension_cb (arg=0x195cd40) at
/php-5.4.0RC6/main/php_ini.c:351
#12 0x00007ff450883763 in zend_llist_apply (l=0x7ff450ef6c78,
func=0x7ff45080ed06 <php_load_php_extension_cb>)
at /php-5.4.0RC6/Zend/zend_llist.c:193
#13 0x00007ff45080f98b in php_ini_register_extensions () at
/php-5.4.0RC6/main/php_ini.c:710
#14 0x00007ff45080624c in php_module_startup (sf=0x7ff450ec0240,
additional_modules=0x7ff450ec0380, num_additional_modules=1)
at /php-5.4.0RC6/main/main.c:2193
#15 0x00007ff4509cbd54 in php_apache2_startup
(sapi_module=0x7ff450ec0240) at
/php-5.4.0RC6/sapi/apache2handler/sapi_apache2.c:348
#16 0x00007ff4509cbf08 in php_apache_server_startup (pconf=0x17c8168,
plog=0x17fc308, ptemp=0x17d01a8, s=0x17ce968)
at /php-5.4.0RC6/sapi/apache2handler/sapi_apache2.c:457
#17 0x0000000000438d84 in ap_run_post_config ()
#18 0x0000000000425bbc in main ()
In 5.3 SAPI functions were not called for startup errors.
I'm not going to fix it myself.
Thanks. Dmitry.
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