Bug #53632 [Asn]: PHP hangs on numeric value 2.2250738585072011e-308

Edit report at http://bugs.php.net/bug.php?id=53632&edit=1 ID: 53632 Updated by: pajoye@php.net Reported by: exploringbinary at gmail dot com Summary: PHP hangs on numeric value 2.2250738585072011e-308 Status: Assigned Type: Bug Package: Math related PHP Version: 5.3.4 Assigned To: dmitry Block user comment: N Private report: N New Comment: Happens here too 64bit CPU 32bit builds (win or linux) Previous Comments: ------------------------------------------------------------------------ [2011-01-04 09:54:26] rasmus@php.net How about -O2 -ffloat-store ? ------------------------------------------------------------------------ [2011-01-04 09:37:07] scottmac@php.net looking like a gcc optimizer bug, -O0 is fine where -O2 hangs ------------------------------------------------------------------------ [2011-01-04 09:02:31] scottmac@php.net This only seems to affect 32-bit systems. ------------------------------------------------------------------------ [2011-01-04 08:59:21] yuv dot adm at gmail dot com Check out the strace: lstat64("/home/ubuntu/junk/p.php", {st_mode=S_IFREG|0644, st_size=59, ...}) = 0 lstat64("/home/ubuntu/junk", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat64("/home/ubuntu", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat64("/home", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfe51238) = -1 ENOTTY (Inappropriate ioctl for device) fstat64(3, {st_mode=S_IFREG|0644, st_size=59, ...}) = 0 mmap2(NULL, 68, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb78d1000 and then it hangs... ------------------------------------------------------------------------ [2011-01-04 08:55:01] aquilax at gmail dot com It hangs on Debian: aquilax@zelda /tmp> php -v PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/adodb.so' - /usr/lib/php5/20090626+lfs/adodb.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP 5.3.3-6 with Suhosin-Patch (cli) (built: Dec 7 2010 18:23:49) Copyright (c) 1997-2009 The PHP Group Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies with Xdebug v2.1.0, Copyright (c) 2002-2010, by Derick Rethans with Suhosin v0.9.32.1, Copyright (c) 2007-2010, by SektionEins GmbH aquilax@zelda /tmp> cat t.php <?php $d = 2.2250738585072011e-308; ?> aquilax@zelda /tmp> time php t.php PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/adodb.so' - /usr/lib/php5/20090626+lfs/adodb.so: cannot open shared object file: No such file or directory in Unknown on line 0 ^CCommand terminated by signal 2 7.55user 0.02system 0:07.61elapsed 99%CPU (0avgtext+0avgdata 36720maxresident)k 0inputs+0outputs (0major+2620minor)pagefaults 0swaps ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at http://bugs.php.net/bug.php?id=53632 -- Edit this bug report at http://bugs.php.net/bug.php?id=53632&edit=1