Screen fade-out partially broken when using multiple monitors

[Christian Funder Sommerlund]

When using multiple monitors on Hardy with the NVIDIA accelerator graphics driver enabled, the screen fade-out (logoff/shutdown/... button, gksu, ...) is partially broken.

It seems like the fade-out is done once per screen, on top of each other on <b>both</b> screens. As the screens do not necessarily run at the same resolution, this causes an odd side-effect on the screen with the largest resolution. See the attached screenshot.

I am not entirely sure which package this bug belongs to.

[Christian Funder Sommerlund (zero3)]

I realized that this is probably a side-effect of having the screens overlapping each other, set via nvidia-settings. Still a bug, nevertheless.

[Dereck Wonnacott (dereck)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Could you include the following information please? Then set the bug status to 'new' to signify that it is ready for triage / review.

"having the screens overlapping each other, set via nvidia-setting" clarification? What settings can I use to recreate what you have?

/etc/X11/xorg.conf
/var/log/Xorg.0.log
output of sudo ddcprobe
output of xrandr

[Christian Funder Sommerlund (zero3)]

Clarification: In nvidia-settings, click "X Server Display Configuration". If you have 2 monitors, you can drag them on top of each other to display either the whole display or parts of the display on both monitors.

/etc/X11/xorg.conf is coming up below.
/var/log/Xorg.0.log is coming up below.
Output from ddcprobe after installing xresprobe is coming up below.

xranr returns:
"Screen 0: minimum 1280 x 720, current 1280 x 720, maximum 1280 x 720
default connected 1280x720+0+0 0mm x 0mm
   1280x720 50.0*"

[Dereck Wonnacott (dereck)]

Wow, that is cool! I had no idea that was possible. I love learning stuff in bug reports... ;-)

I have attached a screenshot as I have, roughly, been able to recreate something similarly interesting following your instructions.

PS. This also revealed a way to repo a compiz bug that was annoying me, what a great bug report this turned out to be! 3 for 1.

[Christian Funder Sommerlund (zero3)]

Haha, great :).

Your screenshot seems even more messed up than mine :o.

Great with the discovery, but unfortunately, bug resolving seems awfully slow here at LP (guess the graph at the front page has a point: 50% of Ubuntu bugs are "new", 25% "confirmed" and 15% "incomplete". So fixing haven't started for 90% of the bugs reported... Sad).

[bugbot (bugbot)]

This bug report was filed against an old version of Ubuntu.
Can you confirm whether this is still an issue in natty?

If you don't mind, it would be very helpful if you could update the bug
report in launchpad to 'Fix Released' if it is no longer an issue for
you, or if it is still occurring under natty, please tag the bug 'natty'
so it's easier for us to track.

[bugbot (bugbot)]

We're closing this bug since it is has been some time with no response from the original reporter. However, if the issue still exists please feel free to reopen with the requested information. Also, if you could, please test against the latest development version of Ubuntu, since this confirms the bug is one we may be able to pass upstream for help.