worker process (cache manager process) exiting on signal 11

[Sil68]

That is, I've de-activated all 3rd party modules, re-compiled nginx
(1.3.12), and everything was fine!

Then, next iteration, adding the upload progress module again, re-compile,
test, cool! :)

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,236043,236061#msg-236061