URL: https://github.com/Azure/coco-framework/blob/master/docs/Coco%20Framework%20whitepaper.pdf

Browser / Version: Firefox 58.0
Operating System: Linux
Tested Another Browser: Yes

Problem type: Something else
Description: PDF preview doesn't load
Steps to Reproduce:
layout.css.servo.enabled: true
Hardware acceleration and compositing is disabled
Tested in Opera: works after waiting for a while

PDF preview doesn't load, keep seeing white pages.

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