Janek Stolarek wrote:

>> When you turn on the computer firefox works well, then you suspend and
>> when you return from suspend firefox has the above mentioned symptoms. Is
>> this correct?
> Yes. The exact details are inthe bug report I linked earlier so I won't
> repeat them here.
> 
>> It could help if you would describe your configuration (hardware: board
>> video card). I remember you mentioned somewhere else HDMI.
> I've experienced this on several different machines and what they all have
> in common are nvidia's proprietary drivers. These are known to do a poor
> job with resuming from suspend. I just tested how Chromium video playback
> behaves after waking from suspend and it has a similar problem. The
> difference is that with Chromium only rendering of the page is broken and
> refreshing it fixes the problem. With Firefox the whole browser window
> disappears and there's no way to restore it.
> 

So what does it have to do with Trinity? You mean if Trinity was on Wayland
you wouldn't experience this?
Can you try a desktop on Wayland and see if it has the issue?

>> Another question: Do you know what is the difference between X11 and
>> Wayland?
> My layman's understanding is that Wayland replaces X11 but it's not a
> drop-in replacement and requires that a window manager implements support
> for it. And I understand XWayland acts as a X11 compatibility layer on top
> of Wayland. That's basically my whole knowledge of Wayland.

Yes, it was discussed once on the devs list AFAIR, but I do not know that
someone tried Trinity with it.