I've built and booted a current RP4b denovo and reproduced the behavior. Here
is a menu of how to recreate the issue.
Use rpi-imager
Generate a 32gb SDCard for RP4b with 64b Bookworm OS
Boot the card, set up your wifi connection.
$ sudo apt-get install dselect
$ sudo dselect
select Raspberr
One place to look. Their window manager (and some others) have a tendency to
cause resize's of other windows at unnecessary times, like a change of focus to
a new window. I've found it annoying in other cases. I do not know for certain
that is the source of the issue but it is something to note.
uss Gnustep
Subject: Re: GUI flickering on Raspbian
I am not sure why this is happening without more information. I am wondering,
as Ethan had suggested, if this is due to Wayland.
Can you give a complete description of your configuration? Including but not
limited to model of rpi, version of raspi
y, March 28, 2025 10:19:09 AM
To: Dale Amon
Cc: Discuss Gnustep
Subject: Re: GUI flickering on Raspbian
I am not sure why this is happening without more information. I am wondering,
as Ethan had suggested, if this is due to Wayland.
Can you give a complete description of your configuration? Includ
happen anywhere else, and in fact did not happen
> on older versions of Raspbian.
>
>
> From: Gregory Casamento
> Sent: Wednesday, March 26, 2025 21:38
> To: Dale Amon
> Cc: Discuss Gnustep
> Subject: Re: GUI flickering on Raspbian
Dale Amon wrote:
It doesn't happen on any other machine I have and it didn't happen on
Raspbian until a year or two ago.
that's not enough to analyze. Something changed or differs with your
machines.
It works fine on my Raspberry.
Do you have the same window manager on all your machines?
ep
Subject: Re: GUI flickering on Raspbian
Hi Dale,
Dale Amon wrote:
> It would be difficult to explain, so here is a short video showing the issue.
I think it is your windowmanager messing around with focus for some
reason. If the main window looses focus, the menu gets blended away.
Hi Dale,
Dale Amon wrote:
It would be difficult to explain, so here is a short video showing the issue.
I think it is your windowmanager messing around with focus for some
reason. If the main window looses focus, the menu gets blended away. I
see your titlebar changing color. It may be also
Amon
Cc: Discuss Gnustep
Subject: Re: GUI flickering on Raspbian
This is likely due to how your application is written. Something is forcing a
re-display of the windows and the menu in your application event loop.
I have never observed this on any rpi and I have had several and it is a well
This is likely due to how your application is written. Something is
forcing a re-display of the windows and the menu in your application event
loop.
I have never observed this on any rpi and I have had several and it is a
well tested platform.
Yours,
Gregory Casamento
GNUstep Lead Developer / Bl
On 2025-03-26 00:31:53 +0100 Dale Amon
wrote:
It would be difficult to explain, so here is a short video showing
the issue.
Hello Dale,
You are trying to run a GNUstep app within a Window Manager not able
to understand where to place the menu. It conflicts with the topbar of
the Pixel d
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