Xephyr nested X-server seems to ignore backing store option

[Doug Kuvaas]

On Mon, Sep 12, 2011 at 7:38 PM, Mikkel L. Ellertson
<mellertson at gmail.com>wrote:

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> On 09/12/2011 05:00 PM, Doug Kuvaas wrote:
> > I have been trying to use Xephyr for running an old legacy
> > application that doesn't function properly at color depths greater
> > than 8 bit.  I have been exploring this as a possible alternative to
> > running X in 8-bit color mode, primarily because X does not seem to
> > work properly in 8 bit color mode anymore.  I get a grayscale
> > display instead of 8-bit color.  Xephyr seems to work perfectly for
> > what I want to do, with the exception of the backing store.  I am
> > running Xephyr with the options +bs -wm, however when I open a menu
> > on the legacy application or move some other screen object, the
> > screen behind it ends up either staying black or certain elements
> > going missing until I do something that causes the entire display to
> > be re-drawn.  While re-writing the portions of the application that
> > don't play nice with color depths beyond 8 bits, I  would like to
> > get this working without requiring updating our software if possible
> > as we have many different locations using their own customized
> > versions.
> >
> > I have verified that the backing store option does work for Xorg,
> > both if I run Fedora normally, that is load Gnome and use that as a
> > display manager, and if I just start Xorg manually with no display
> > managers.
> >
> > Any insights or help on getting this working would be appreciated.
> >
> > Thanks in advance,
> >
> > Doug K
> >
> Have you tried running it in xnest with the color depth set to 8 bit?
>
> Mikkel
> - --
>
>  Do not meddle in the affairs of dragons,
> for thou art crunchy and taste good with Ketchup!
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Xnest did not work for our application.
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