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https://commons.wikimedia.org/wiki/Commons:Village_pump#PDF_thumbnailing_problem_File:GA20891.pdf
"""ugh maybe different mediawiki servers have different versions of pdfinfo installed, or something like cgroups broken on some not all. Bawolff (talk) 14:40, 11 October 2013 (UTC)"""
Version: wmf-deployment
Severity: normal