Yup. If Apache/PHP can't read the modules folders, then it will cause all kinds of funky stuff.
Jamie Holly
http://www.intoxination.net 
http://www.hollyit.net

On 5/20/2011 12:46 PM, Joel Willers wrote:

So, we got the white screen of doom across a site a team is working on.  The only major change we can see is that somebody did:

chown -R :www-data *

in the /sites/default/modules folder.

 

Would that have any effect on the entire site?

 

Joel Willers