Mozilla/5.0 (X11; Linux x86_64; rv:36.0) Gecko/20100101 Firefox/36.0 1/ Have a prefs.js file with skia backend activated: user_pref("gfx.content.azure.backends", "skia"); 2/ launch Nightly. Expected result: Firefox launches with a UI Actual result: No rendering of chrome or content area (see screenshot) If you remove the user_pref("gfx.content.azure.backends", "skia"); line, things are back to normal

Can you post your about:support graphics section?

I imagine this is a duplicate of bug 1009722 (bug 996611.)

(In reply to :Gijs Kruitbosch from comment #1) > Can you post your about:support graphics section? Description de la carte Intel Open Source Technology Center -- Mesa DRI Intel(R) Ivybridge Mobile Fenêtres avec accélération graphique 0/1 Basic ID du périphérique Mesa DRI Intel(R) Ivybridge Mobile ID du vendeur Intel Open Source Technology Center Rendu WebGL Intel Open Source Technology Center -- Mesa DRI Intel(R) Ivybridge Mobile Version du pilote 3.0 Mesa 10.3.0 windowLayerManagerRemote false AzureCanvasBackend skia AzureContentBackend skia AzureFallbackCanvasBackend none AzureSkiaAccelerated 0

I was under the impression that skia worked with e10s disabled when I tracked this. Milan just informed me that that is not the case, so I'm -'ing this.