Date: Wed, 8 Oct 2008 06:12:48 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Laszlo Nagy <gandalf@shopzeus.com> Cc: freebsd-questions@freebsd.org Subject: Re: php5 segfault Message-ID: <20081008131248.GA77388@icarus.home.lan> In-Reply-To: <48ECACB4.8080103@shopzeus.com> References: <48ECACB4.8080103@shopzeus.com>
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On Wed, Oct 08, 2008 at 02:51:00PM +0200, Laszlo Nagy wrote: > uname -a: > > FreeBSD shopzeus.com 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #3: Mon Oct > 6 07:50:31 EDT 2008 > gandalf@shopzeus.chello.hu:/usr/obj/usr/src/sys/SHOPZEUS amd64 > > when compiling /usr/ports/php5 I see messages like: > > bin/sh /usr/ports/lang/php5/work/php-5.2.6/libtool --silent > --preserve-dup-deps --mode=compile cc -IZend/ > -I/usr/ports/lang/php5/work/php-5.2.6/Zend/ -DPHP_ATOM_INC > -I/usr/ports/lang/php5/work/php-5.2.6/include > -I/usr/ports/lang/php5/work/php-5.2.6/main > -I/usr/ports/lang/php5/work/php-5.2.6 -I/usr/local/include/libxml2 > -I/usr/local/include -I/usr/ports/lang/php5/work/php-5.2.6/ext/date/lib > -I/usr/ports/lang/php5/work/php-5.2.6/TSRM > -I/usr/ports/lang/php5/work/php-5.2.6/Zend -O2 -fno-strict-aliasing > -pipe -c /usr/ports/lang/php5/work/php-5.2.6/Zend/zend_API.c -o > Zend/zend_API.lo > > So it is using -O2 and -pipe. Is this something that I can disable? If you want. "make config" in /usr/ports/lang/php5 will give you a menu option for DEBUG; turn it on. I'm not sure what the compile options you're showing have *anything* to do with the segfault you're reporting. I don't see any backtraces or details of the segfault. > It might be because we are using postgresql connections. For pages without > pgsql connection, there is no segfault. I've personally used PHP5 (as a CGI only, not as an Apache module) with PostgreSQL and experienced no segfaults. > It must be noted that the segfault happens on cleanup. E.g. all web > sites are working fine, except that we are getting many many segfault > messages in the logs all the time. Many people have found that re-ordering the "extensions" lines in /usr/local/etc/php/extensions.ini has solved odd segfaults. I personally have never seen this, nor have ever needed to adjust that file, but it has worked for others. Also, you cannot use a threaded Apache (e.g. threaded MPMs) with PHP since not all extensions support threading. Your Apache needs to be built without threads and use a non-thread model (e.g. prefork). I've also had success with Apache-ITK-mpm. Search the mailing lists for this situation, try the recommendations, and then if nothing fixes it, provide a backtrace. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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