576770 - White screen after switching WebM videos to full screen

Status: RESOLVED DUPLICATE of bug 581455

(Core :: Audio/Video, defect)

Description

[Scoobidiver (away)]

User-Agent:       Mozilla/5.0 (Windows; Windows NT 6.1; WOW64; en-US; rv:2.0b2pre) Gecko/20100703 Minefield/4.0b2pre
Build Identifier: Mozilla/5.0 (Windows; Windows NT 6.1; WOW64; en-US; rv:2.0b2pre) Gecko/20100703 Minefield/4.0b2pre

When I play any webm video on my disk, after right click and select "Full screen", my full screen becomes white, the audio is OK.
To have the video playing, the mouse must be pointed on one of the screen corner.

Reproducible: Always

Comment 1

[Scoobidiver (away)]

Video card : Intel GMA 4500M
Video driver version : 8.15.10.1892 (up-to-date for Acer)
Video driver model : WDDM 1.1
Video shared memory : 1631 MB
DirectX version : DirectX 11

Comment 2

[Scoobidiver (away)]

Video graphic driver upgrade : 8.15.10.2182

Still applicable until build :
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b4pre) Gecko/20100810 Minefield/4.0b4pre

From build :
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b4pre) Gecko/20100811 Minefield/4.0b4pre
The full screen is black.
Still need to point on corner to have a correct full screen display.

Comment 3

[Matthew Gregan [:kinetik]]

Duping to bug 581455 since that one's blocking.