>>>>>>>>>> The bug I have, since upgrading to Ubuntu 24.04 and install emacs29 is that the initial frame has width x height of 20 x 9, even though I have a .Xresources file containing
 >>>>>>>>>>     Emacs*geometry: 100x40+1900+0
 >>>>>>>>>> end a default-frame-alist of
 >>>>>>>>>>    Value:
 >>>>>>>>>>    ((font . "Monospace-10")
 >>>>>>>>>>     (height . 42)
 >>>>>>>>>>     (width . 90)
 >>>>>>>>>>     (tool-bar-lines . 0)
 >>>>>>>>>>     (menu-bar-lines . 1)
 >>>>>>>>>>     (top . 0)
 >>>>>>>>>>     (left . 1200))
 >>>>>>>>>>    Original value was nil
 >>>>>>>>>> set up by my .emacs file.
 >>>>>>>>>>
 >>>>>>>>>> Using either the pull-down File->New Frame, or C-x 5 2, both generate new frames of the 20 x 9 size.
...
 > Martin, any suggestions or ideas?

Welcome to the club, John.  Some standard questions:

- You're using GNOME desktop and the mutter window manager.  Right?  If
   so, what does mutter --version tell?  Can you try setting the
   environment variable MUTTER_DEBUG="geometry" and then look into stderr
   whether anything shows up there at all?  If so, we could try to
   investigate further.

- Is your screen scaled?

- What does evaluating (frame-geometry) tell for the first frame?  What
   do (frame-char-height) and (frame-char-width) evaluate too?

- Can you build with other toolkits?  GTK2, Lucid, Motif or with the
   --with-x-toolkit=no option?

- Can you build with the attached patch?  If so, please evaluate the
   form (frame--size-history) and post the contents of the the buffer
   *frame-size-history* here.

Thanks, martin