I think the reason this doesn't work is that the Mir EGL backend doesn't support pbuffer surfaces, and Chromium relies on this (although it doesn't actually draw to them - it creates a 1x1 pbuffer surface in order to bind the context)
I think the reason this doesn't work is that the Mir EGL backend doesn't support pbuffer surfaces, and Chromium relies on this (although it doesn't actually draw to them - it creates a 1x1 pbuffer surface in order to bind the context)