GIMP Version: 2.8.2
Operating System: Linux
OS Version: Gentoo (has no versions)
GIMP Experience: Beginner Level

List any ERROR messages you received:
While parsing XMP metadata:
Error: No XMP packet found

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That's what I see when I start gimp in a terminal and then open a jpg image.
I've searched the Gentoo and 2 more related repositories w/o luck.
Anyone know what is missing?
Thanks in advance.
Gerard.