RE: [PHP-DEV] CALL and SWITCH executors segfault

Hi Sebastian, The problem in stack overflow. We will see how this can be fixed without performance lost. Do you use x86 (non x86-64)? What is your ./configure options? Thanks. Dmitry. > -----Original Message----- > From: news [mailto:news@sea.gmane.org] On Behalf Of Sebastian Bergmann > Sent: Monday, June 13, 2005 12:49 AM > To: internals@lists.php.net > Subject: [PHP-DEV] CALL and SWITCH executors segfault > > > Tonight I wanted to do some benchmarks with PHP 4.3.11, PHP > 5.0.4, and the three (CALL, GOTO, SWITCH) executors of PHP > 5.1 with both GCC 3.4.4 and GCC 4.0.1 to get a feeling for > the improvements in the VM for PHP 5.1. > > Both the CALL and SWITCH executors segfault for me on my > Linux system when running the ZendEngine2/bench.php script. > > Below is the backtrace for the GOTO executor: > > (gdb) r Zend/bench.php > Starting program: /usr/local/src/php/php-5.1/sapi/cli/php > Zend/bench.php > simple 0.294 > simplecall 0.778 > simpleucall 1.147 > simpleudcall 1.379 > mandel 1.223 > mandel2 1.494 > > Program received signal SIGSEGV, Segmentation fault. > execute (op_array=0x826ffe0) at zend_vm_execute.h:3834 > 3834 memset(EX(CVs), 0, sizeof(zval**) * > op_array->last_var); > (gdb) bt > #0 execute (op_array=0x826ffe0) at zend_vm_execute.h:3834 > #1 0x0816d534 in execute (op_array=0x812dcc0) at > zend_vm_execute.h:3989 . . . #871 0x0816d534 in execute > (op_array=0x8285194) at zend_vm_execute.h:3989 #872 > 0x0812fa34 in zend_execute_scripts (type=8, retval=0x0, file_count=3) > at /usr/local/src/php/php-5.1/Zend/zend.c:1077 > #873 0x080ecb4d in php_execute_script (primary_file=0xbffff7a0) > at /usr/local/src/php/php-5.1/main/main.c:1670 > > #874 0x081d3b4a in main (argc=2, argv=0xbffff874) > at /usr/local/src/php/php-5.1/sapi/cli/php_cli.c:1036 > > Below is the backtrace for the SWITCH executor: > > (gdb) r Zend/bench.php > Starting program: /usr/local/src/php/php-5.1/sapi/cli/php > Zend/bench.php > simple 0.316 > simplecall 0.779 > simpleucall 1.170 > simpleudcall 1.389 > mandel 1.384 > mandel2 1.630 > > Program received signal SIGSEGV, Segmentation fault. > execute (op_array=0x8273fe0) at zend_vm_execute.h:53 > 53 memset(EX(CVs), 0, sizeof(zval**) * > op_array->last_var); > (gdb) bt > #0 execute (op_array=0x8273fe0) at zend_vm_execute.h:53 > #1 0x0816f7b8 in execute (op_array=0x812dcc0) at > zend_vm_execute.h:211 . . . #875 0x0816f7b8 in execute > (op_array=0x8289194) at zend_vm_execute.h:211 #876 0x0812fa34 > in zend_execute_scripts (type=8, retval=0x0, file_count=3) at > /usr/local/src/php/php-5.1/Zend/zend.c:1077 > #877 0x080ecb4d in php_execute_script > (primary_file=0xbffff7a0) at > /usr/local/src/php/php-5.1/main/main.c:1670 > #878 0x081d464a in main (argc=2, argv=0xbffff874) at > /usr/local/src/php/php-5.1/sapi/cli/php_cli.c:1036 > > -- > Sebastian Bergmann > http://www.sebastian-bergmann.de/ > GnuPG Key: 0xB85B5D69 / 27A7 2B14 09E4 98CD 6277 0E5B 6867 > C514 B85B 5D69 > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > >