I replaced "ent_playloop" with "snd_loop" and now it seems to work. I tested my project the last three hours without a break and didn't get any crash.

Maybe it's an engine bug. The entity I passed to ent_playloop is an physX ent.

It seems there's really a bug in ent_playloop. I've posted a small example in Bug Hunt's forum. This example always crashes:
http://www.opserver.de/ubb7/ubbthreads.php?ubb=showflat&Number=431154

Yes, this same happens if i run the knights_on_wheels.c sample.
But if i change ent_playloop to snd_loop seems to work, thanks!

That bug drove me really insane. I searched the whole source code of my project for a memory leak for almost 2 weeks. But in the end it wasn't a memory leak, "just" an engine bug...

Does the same happen with ent_playsound?
Would be kind of interesting since my code randomly crashes too when physx objects have to play a sound :|
Also searchwd for a menory leak but couldnt find one...

I couldn't get any case where ent_playsound crashes. But I want it to be really bullet proof and removed ent_playsound instructions too.