Re: APC problem with PHP

On Tue, Feb 10, 2009 at 4:10 PM, Jamie Krasnoo <jkrasnoo@gmail.com> wrote: > Hey all, > > I'm new to the list. I came here because I couldn't find the answer to > my question and I'm hoping I can find it here. I compiled the APC > plugin as a shared library and activated it through the php.ini. I ran > 'make test' and it seemed to pass all but one (it skipped a test). I > thought all was well. Unfortunately it wasn't. In the middle of the > night I woke up to SMS messages from the monitoring that the server > was going down hard. I got the server back up and found that PHP was > segfaulting and puking core files everywhere and it filled up the > drive. > > I removed all the core files and restarted the server and it happened > again. So I removed APC, restarted the server and the core files > stopped. So just to make sure I put APC back on and saw that PHP > started dumping again. > > I'm not advanced enough to try and debug the core files but I do know > enough to try and see what is going on. I used gdb to peer in to a > core file and saw that libthread_db.1.so or something like that was > the culprit. Does anyone know what would cause PHP to start > segfaulting after APC was installed? are you using apache and if so, do you have threading enabled? -nathan