On 10/28/15, J Hayes <slowking4@gmail.com> wrote:
> large tiffs are not rendering in commons.
> "The bug is in the MediaWiki thumbnail generator,"
> https://commons.wikimedia.org/wiki/Commons:Help_desk/Archive/2015/02#Polar_bear_in_a_snowstorm.3F
>
> vipscaler might be a solution
> https://meta.wikimedia.org/wiki/Wikimedia_Blog/Drafts/VipsScaler

Oddly enough, vips scalar was the problem here. There used to be a bug
that causes that, its been fixed now (for a long time now), but the
old version was cached. If you see any images that are almost entirely
white with a bit of black around the edges, do ?action=purge to the
image description page.

However there appears to be a second bug (
https://phabricator.wikimedia.org/T116947 ). Rendering the file in
sizes less then 2523px seems to be broken.

--
-bawolff

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