Syrion: You will only have a uswsusp.conf file if you have the "uswsusp" package installed. I'm not sure if the package comes by default with Ubuntu or not, but if you don't have it, then you probably don't need it if you aren't having problems suspending or hibernating your computer. If you do have the package installed but no /etc/uswsusp.conf file, you might try "sudo dpkg-reconfigure uswsusp" or just simply reinstalling the package. If your fstab and resume files have the correct UUIDs, did you do the "sudo update-initramfs -u" to make sure your initrd boot file gets the changes? If you did but still have the splash screen problem, then maybe you have a different bug.
Syrion: You will only have a uswsusp.conf file if you have the "uswsusp" package installed. I'm not sure if the package comes by default with Ubuntu or not, but if you don't have it, then you probably don't need it if you aren't having problems suspending or hibernating your computer. If you do have the package installed but no /etc/uswsusp.conf file, you might try "sudo dpkg-reconfigure uswsusp" or just simply reinstalling the package. If your fstab and resume files have the correct UUIDs, did you do the "sudo update-initramfs -u" to make sure your initrd boot file gets the changes? If you did but still have the splash screen problem, then maybe you have a different bug.