Dimitrios,

The bug is still present: the allocation method (which is responsible
for this bug) has not changed. Pages are loaded into memory as one big
image which is then displayed. Once there's no memory left, the
operating system terminates the process as it should.

The only way to fix this is to implement a tile loader in evince and a
proximity loading algorithm (tile the page up, load tiles adjacent to
the ones currently on display, load tiles that are about to come into
view as the document is scrolled).

Also, the upstream bug you marked as irrelevant is relevant because the
400% limit and the crashing due to insufficient memory are related. (as
is explained in the comments) The artificial limit has been put there to
prevent  these crashes in most use cases. (but it's obviously a hack,
and not a good one).

Cheers,
-Bartek

-- 
Evince crashes when zooming PDF-File to 400%
https://bugs.launchpad.net/bugs/24630
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