mod_wsgi + mod_php = segmentation fault

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Hello. I'm using apache Apache/2.2.16 (Unix) + mpm_worker on my ~amd64
Gentoo Linux box. It has mod_php enabled and all my existing php
projects work fine (with mysql too).

When I'm enabling mod_wsgi in apache config and trying to run simple
empty django project - I'm getting 500 Internal Server Error and
"Segmentation fault" in error_log.

When disabling mod_php - it runs just ok.
Any ideas? I need them both :)

Thanks