If you try to load a module more than once, you get something like the following
(EE) I810: Failed to load module "dri" (once-only module, 0)
This is not actually an error, the module successfully loaded the first time.
This should be degraded to an X_INFO and the wording changed.
(actually a generic loader bug but filing it under dlloader so i remember to care)
Created attachment 2522 [details] [review]
fixed in HEAD.
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