bug#27816: 26.0.50; X protocol error: BadPixmap (invalid Pixmap parameter) on protocol request 55

[Jean Louis]

On Thu, Jul 27, 2017 at 08:18:00PM +0300, Eli Zaretskii wrote:
> > Date: Thu, 27 Jul 2017 10:38:27 +0300
> > From: Jean Louis <bugs@gnu.support>
> > Cc: 27816@debbugs.gnu.org
> > 
> > I am starting Emacs through screen, without X windows. So I started as:
> > 
> > gdb screen
> > 
> > then I do:
> > 
> > breakpoint x_error_quitter
> > 
> > It asks me for future loaded libraries, I said y.
> > 
> > Then I "run" and get screen and bash.
> > 
> > Then I start emacs as 
> > 
> > emacs --user admin --chdir /home/data1/protected (that is my home dir)
> 
> No, I think this is a mistake.  You should first start screen, then
> start GDB from that like this:
> 
>   gdb emacs
> 
> Then when GDB shows its prompt, type
> 
>   (gdb) break x_error_quitter
>   (gdb) run  --user admin --chdir /home/data1/protected

When I start screen, it must be started in console, not under X, so when I do:

gdb emacs

and later 

run --user admin --chdir /home/data1/protected

I loose the GDB prompt.

I will try setting it before run

Jean