F7: Desktop Effects bug with nVidia GPU

[Lonni J Friedman]

On 6/5/07, Phil Meyer <pmeyer at themeyerfarm.com> wrote:
> Clodoaldo wrote:
> > 2007/6/5, Scott van Looy <scott at ethosuk.org.uk>:
> >> Today Clodoaldo did spake thusly:
> >>
> >> > 2007/6/4, Randy Forston <rforston at earthlink.net>:
> >> >> Clodoaldo wrote:
> >> >> > 2007/6/4, Lonni J Friedman <netllama at gmail.com>:
> >> >> >> On 6/4/07, Clodoaldo <clodoaldo.pinto.neto at gmail.com> wrote:
> >> >> >>> 2007/6/4, Lonni J Friedman <netllama at gmail.com>:
> >> >> >>>> On 6/4/07, Clodoaldo <clodoaldo.pinto.neto at gmail.com> wrote:
> >> >> >>>>> 2007/6/4, Lonni J Friedman <netllama at gmail.com>:
> >> >> >>>>>> On 6/4/07, Clodoaldo <clodoaldo.pinto.neto at gmail.com> wrote:
> >> >> >>>>>>> Gnome desktop. Using nVidia MX 440 video card with the nVidia
> >> >> >>>>>>> 96xx driver.
> >> >> >>>>>>>
> >> >> >>>>>>> When I logout and login with Desktop Effects enabled
> >> >> >>>>>>> applicattions restart without the title bar.
> >> >> >>>>>>>
> >> >> >>>>>>> To reproduce the bug:
> >> >> >>>>>>>
> >> >> >>>>>>> Set the session to automaticaly save changes.
> >> >> >>>>>>> Open a terminal.
> >> >> >>>>>>> Open Desktop Effects.
> >> >> >>>>>>> Unselect "Windows Wobble when Moved".
> >> >> >>>>>>> Select "Workspaces on a Cube".
> >> >> >>>>>>> Enable Desktop Effects.
> >> >> >>>>>>> Logout and Login.
> >> >> >>>>>>>
> >> >> >>>>>>> The terminal now starts without the title bar.
> >> >> >>>>>>
> >> >> >>>>>> Is the terminal the only window that lacks a title bar, or do
> >> >> >>>>>> all applications exhibit this behavior?
> >> >> >>>>>
> >> >> >>>>> I suggested the terminal because it is fast to start. I tried
> >> >> >>>>> also with gedit and its behavior is still worse: it gets stuck
> >> >> >>>>> to the top left corner, hiding the top bar, without the title
> >> >> >>>>> bar and without the text area.
> >> >> >>>>
> >> >> >>>> This isn't a bug, you've not configured X correctly.
> >> >> >>>
> >> >> >>> xorg.conf configured by the livna-config-display: What is wrong
> >> >> >>> with it?
> >> >> >>>
> >> >> >>
> >> >> >> See:
> >> >> >> http://www.nvnews.net/vbulletin/showthread.php?t=77030
> >> >> >> http://www.nvnews.net/vbulletin/showthread.php?t=46678
> >> >> >
> >> >> > I followed the advice there and added this to xorg.conf:
> >> >> >
> >> >> > Section "Extensions"
> >> >> >     Option "Composite" "Enable"
> >> >> > EndSection
> >> >> >
> >> >> > Still the same problem.
> >> >> >
> >> >> > Clodoaldo
> >> >>
> >> >> This is NOT just an NVIDIA (driver) issue.
> >> >>
> >> >> I'll experiment with the xorg advice from the links above, but I
> >> don't
> >> >> expect it to change anything.
> >> >>
> >> >> I see the same problems using Intel graphics (on-board Intel
> >> chipset),
> >> >> running Beryl (or Desktop Effects), in both Fedora 7 and Ubuntu 7.04
> >> >>
> >> >> I first noticed the "missing Titlebar" issue, when I first ran
> >> Desktop
> >> >> Effects in either OS.
> >> >
> >> > I filed a bug report:
> >> > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=242663
> >>
> >> The "missing titlebar" issue happens when compiz loads but
> >> gnome-window-decorator doesn't. Try running (from a terminal) compiz
> >> --replace and seeing what happens.
> >
> > The title bars disappear. No text.
> >
> > Try running gnome-window-decorator from
> >> a terminal too - either and/or both should spit out text if they don't
> >> work right...
> >
> > # gnome-window-decorator
> > -bash: gnome-window-decorator: command not found
> >
> > Clodoaldo
> >
>
> I also think that this is a bug, and it was seen in FC6.
>
> There is a work around (at least for me).
>
> By adding beryl-manager and beryl to my personal startup, the window
> manager would load correctly when I logged in.
>
>
> System/Preferences/More Preferences/Sessions and Startup Programs tab.
>
> The window manager can also be started manually from the beryl-manager
> (red diamond) in the task bar.

As I noted earlier, this is not a driver bug.  The problem here is
that no window manger is running at all, hence there are no window
decorations on any of the windows.  By starting beryl-manager (the
window manager), you've started a window manager, and the problem is
fixed.  If there's any bug here, its in Fedora, not the graphics
driver (which has absolutely no control over running a window
manager).