Re: Segmentation fault in v4.3.4
| From: | Derick Rethans | Date: | Wed, 26 Nov 2003 11:27:46 +0000 |
| Subject: | Re: Segmentation fault in v4.3.4 | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-5721@lists.php.net to get a copy of this message | ||
On Wed, 26 Nov 2003, Jean-Pierre Arneodo wrote:
> The script uses 3 extensions a lot:
> - xml: EXPAT Version 1.95.6
> - curl: libcurl/7.10.2 OpenSSL/0.9.6b zlib/1.1.4
> - mysql: Client API version 4.0.15 (The MySQL server and lib on the host
> is a 4.0.16)
>
> 80 classes are involved, it is difficult to reduce the script to 20 lines.
> The segfault is data depending. it doesn't happen every time.
>
> My first idea was to rebuild the cli to have a core dump on segfault we can
> analyse.
> But with the --enable-debug configure flag, no segfault :-(
> but some traces.
>
> Any direction to investigate?
Have a look at the valgrind tool. Use it on a debug build of PHP like
this:
valgrind php <yourscript>
it should spit out memory problems then.
Derick