Forum OpenACS Q&A: Re: carnage blender is live on aolserver 4 beta5
you could try grepping for mutex_destroy in your error log for kicks.
So, did you post this to the AOLserver list, or just send private email to Jim? Jim is not involved in the day to day development of AOLserver, and you might want a wider audience for your concerns. Discussions like this should be on a public list.