713250 - Youtube HTML5 trial crashes 2011-12-23 nightly (nsDocument::EnsureCatalogStyleSheet)

Status: RESOLVED WORKSFORME

(Core :: General, defect)

Description

[Ed Morley [:emorley]]

This bug was filed from the Socorro interface and is 
report bp-0891bda7-ceb0-495a-9b5d-0141c2111223 .
============================================================= 

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0a1) Gecko/20111223 Firefox/12.0a1
Flash plugin not installed.

1) Activate youtube html5 trial http://www.youtube.com/html5
2) Visit any video that has a WebM encoded video available, eg:
http://www.youtube.com/watch?v=6pDugHeoXg4
http://www.youtube.com/watch?v=YJyYeTagTWg

Expected:
Video plays normally

Actual:
Crashes every time...
bp-d87d80a2-0516-4d48-8f22-ceb412111223
bp-af5a4b29-5079-42bd-a2f5-aff402111223
bp-b0ea645b-b589-4739-8c58-832d72111223
bp-f7ba4476-3041-4d37-8cd5-320a42111223
bp-0891bda7-ceb0-495a-9b5d-0141c2111223

Notes:
* Does not occur if the html5 trial is deactivated.
* Very recent regression, believe <72 hours.

Comment 1

[Ed Morley [:emorley]]

After this occurred, I started to experience general system instability, now believed to be due to a failing boot drive (a scan showed bad sectors). Reinstalling Nightly resolved the issue, so I can only presume the bad sectors had played a part; resolving WFM for now.