When I attempt to upload a new header image to my wordpress installation my browser's work is acknowledged with a cryptic "Image could not be processed. Please go back and try again." The upload does succeed: wp-content/uploads/.../header.jpg
exists as it should.
There are no error messages in /var/log/messages--which php is configured to log errors to--nor in nginx's error log. This setup was previously discussed here.
My setup:
- Wordpress 3.0.4
- Twenty Ten 1.1
- nginx 0.8.54
- php-fpm 5.3.5 (fpm-fcgi)
- Arch Linux
You might not have the gd library installed and enabled in php. I'm not much of an Linux guy, but I did this to get it installed on my setup:
Here's some more about it: http://ubuntuforums.org/showthread.php?t=506801
Don't forget to restart httpd after installing gd.