[xmonad] Problem with smartBorders, multiple screens, and fullscreen windows

wagnerdm at seas.upenn.edu wagnerdm at seas.upenn.edu
Thu Nov 29 03:17:15 CET 2012

Hi Hans,

I can't reproduce this problem. I think it might help if you did two things:

1. include a minimal xmonad.hs that exhibits the problem
2. give very, very specific instructions, like, down to exactly what  
keys to press (for example, what does "make a window fullscreen" mean?  
I can think of half a dozen things to do in xmonad that might  
reasonably be called making a window fullscreen, and probably only one  
of them triggers your problem)


Quoting Hans Chen <hanswchen at gmail.com>:

> Hi,
> I have a problem with fullscreen windows on my multi-monitor setup. After
> reducing my xmonad.hs bit by bit, I finally tracked down the problem to
> smartBorders from XMonad.Layout.NoBorders.
> How to reproduce:
> 1. Add smartBorders to your layout(s).
> 1. Make a window fullscreen (e.g. mplayer, virtualbox, flash) on one
> screen, say screen 1.
> 2. Change to an arbitrary hidden workspace on another screen, e.g. on
> screen 2.
> What I get:
> The content of the fullscreen window (on screen 1 in the example above)
> isn't updated anymore. In mplayer, for example, the video simply "freezes"
> while the sound keeps going. I can fix it by restoring the window and make
> it fullscreen again.
> Expected results:
> Nothing should happen to the fullscreen window.
> More information:
> I'm using xmonad 0.10 and xmonad-contrib 0.10 on Arch Linux. I can
> reproduce this on two machines with different graphic cards, Nvidia and
> Intel, so I don't think the problem lies with the graphic driver, which was
> my first suspicion. If I remove borders from all screens except the one
> with the fullscreen window (by using noBorders), I can switch workspace
> without "freezing" the fullscreen window.
> I was surprised that I couldn't find anyone else with a similar issue
> (except maybe Issue  
> 311<http://code.google.com/p/xmonad/issues/detail?id=311>)
> - if someone else can reproduce this, please let me know and I'll submit a
> bug report. Even better, if someone could help me fix or work around the
> problem without losing the functionality of smartBorders, I would be
> extremely happy.
> Thanks,
> Hans

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