On Sun, May 17, 2009 at 01:07, Fabio Zund <fab...@eiffel.com> wrote: > > Joe Lewis wrote: >> >> Fabio Zund wrote: >>> >>> However, when I compile and test the module on the apache (also version >>> 2.2.11) that comes with Ubuntu 9.04, all i get are segfaults. >>> >>> Does anyone know differences between the original apache and the Ubuntu >>> apache version? What in my module could cause such errors? >> >> Unfortunately, I have never looked at the sources and patches used on >> ubuntu. I would suggest looking at the patches they include with their >> source installation. I think that would be a very good place to start. >> Additionally, debugging tools (e.g. gdb) might be a very good place to >> start. Your hints for the day : run "gdb httpd" (or whatever binary is >> used to start it, make sure you use the BINARY and not an init script), and >> then at the gdb prompt, enter "run -X" - this starts the binary in a >> single-instance mode. Point the browser to it and generate the "errors". >> Then type "bt" to get a back trace. Outside of that and looking at the >> patches, I am unable to help. >> >> Joe >> >> > The back trace in gdb showed that the segfault was caused by apr_pstrcat () > in /usr/lib/libapr-1.so.0.
Make sure the last argument of apr_pstrcat is NULL: char *result = apr_pstrcat(pool, "Hello", " ", "dolly!", "\n", NULL); Sorin > At this point I had libapr and libapr-util > version 1.1.12 installed (from the packager manager). So I installed > apr-1.3.3 > <http://mirror.cc.columbia.edu/pub/software/apache/apr/apr-1.3.3.tar.bz2> > from the website. The same error occured. Then I installed apr-util-1.3.4 > <http://mirror.cc.columbia.edu/pub/software/apache/apr/apr-util-1.3.4.tar.bz2> > as well, but after that I could not start apache anymore, it says: > "/usr/sbin/apache2: symbol lookup error: /usr/sbin/apache2: undefined > symbol: apr_ldap_ssl_init" > > I guess I'll just have to wait until the ubuntu guys add the new > apr/apr-util versions to the packet manager repository and make it work.... > > But thanks for the help! > > - Fabio Zund > > > -- A: Because it reverses the logical flow of conversation. Q: Why is top-posting frowned upon? A: Top-posting. Q: What is the most annoying thing in e-mail?
