Comment 40 for bug 194769

Janne,

Wow! This worked perfectly on my IBM Thinkpad 390X. Thanks for the fix!

/Charlie

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On Mon, Sep 15, 2008 at 08:16, Janne Siren <email address hidden>wrote:

> 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
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in "xfce4-terminal" source package in Ubuntu: Confirmed
>
> Bug description:
> Binary package hint: xfce4-terminal
>
> I'm using xubuntu 8.04 (up to date as of 22/02/08) on a thinkpad 600e. I
> upgraded from xubuntu 7.10 a few days ago. When I open an xfce4-terminal
> window the borders, title bar and widgets are either black or corrupted
> multicolours (see attachments), this also effects the xfce4-terminal
> preferences window. No other applications have this problem, and changing
> the theme does not effect the problem. If i move another window in front of
> the terminal window sometimes small pieces of colour from the broken title
> bar seem to leak through and appear on the other window.
> This is both cosmetic and functional as it hides the minimise, close, etc
> widgets and the title. Since this is a commonly used core package in xubuntu
> i think it is important. Anyone had the same problem on other hardware?
> On my thinkpad the 7.10 version worked flawlessly and gnome -terminal works
> as expected, its just this package so i doubt its specific to my machine.
> Thanks
>