Wordpress 3.3; Multisite; No BuddyPress; Avatars 3.5.6
Other Plugins: None
Issue: After uploading, then cropping, and avatar/image, a blank web page is presented. No content/source within the page.
Permissions: Folders and files have been tested as owned by web server, writable by web server, writable by all, etc.
File/avatar/image is being uploaded, as it shows up in the directory.