On Sat, Feb 21, 2026 at 03:56:31PM +0000, Crystal Kolipe wrote:
> On Sat, Feb 21, 2026 at 04:33:24PM +0100, dan wrote:
> > I still have to try the xephyr command sequence you prop
> > but I just permit to dubt about your "hardware dependency
> > sophistication" as I find that a device retro compatibity to gray
> > scale is usually certain, then if it is a software driver limitiation
> > could be an other pair of shoes.. Sorry to underline this
> > maybe useless point to a solution.
>
> The example with Xephyr was to demonstrate that there is no underlying issue
> with current Xenocara versions working in greyscale visuals.
If you don't like Xephyr for some reason, a similar demo is possible with Xvfb.
From the _console_, do:
$ Xvfb -screen 0 1024x768x8 -cc "StaticGray" -render -fbdir /tmp &
$ export DISPLAY=:0
$ xterm -bg green -fg yellow &
Then start X11 as a regular user and look at the shared memory:
$ xwud -in /tmp/Xvfb_screen0
It's greyscale.
So _Xenocara_ is capable of running in a greyscale visual.
Nothing is broken there.
Underlying graphics drivers may or may not support particular modes.
But the problem is not with Xenocara.
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