Hi!
I can also confirm this bug with IBM600 and IBM600E laptops. Though for
my purposes recompiling xfce4-terminal is not suitable workaround. But I
found easier workaround, I added following lines to /etc/X11/xorg.conf:
Section "Extensions"
Option "Composite" "Disable"
EndSection
At least this works with IBM600 (NeoMagic 128XD) and IBM600E (NeoMagic
256AV).
I do not know how this composite-extension should work, but for my
understanding RGBA (referring to function gdk_screen_get_rgba_colormap
in the xfce4-terminal code) requires 32bpp framebuffer (24 bits for
color and 8 bits for alpha channel). With these very old chips the
xubuntu 8.04 LTS uses 16 as default depth, meaning 16 bpp framebuffer
with RGB weight 565, thus leaving no space for alpha channel. (Though I
do not know has rgba-colormap of gtk and framebuffer bpp any relation.)
Anyhow: as composite-extension is not working, it still leaves me wonder
why composite-extension is not automatically disabled with these chips
at installation phase or when X11 system starts up.
best regards,
Janne
--
xfce4-terminal window borders / decorations / widgets being incorrectly drawn
(xubuntu 8.04)
https://bugs.launchpad.net/bugs/194769
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