Version: unspecified (using KDE 4.5.1) OS: Linux From time to time, after logging into my KDE session, the shadow that is usually drawn behind the Plasma Panel at the bottom of the screen appears detached from the panel in the upper left quadrant of the screen. My panel is set to auto-hide and the shadow appears and disappears when the panel shows and hides. To temporarily correct the issue (until the ghost shadow decides to show up again), either change the panel alignment from "Center" to "Left" to "Center" (but I guess any alignment change will do) or log off and log on again (while the latter comes with a certain probability that the issue will immediately pop up again). When inspecting the list of existent windows, one can actually spot a window, the dimensions of which correspond to the dimensions of the shadow. For an example, refer to the attached screenshot. This issue started happening after upgrading to KDE 4.5.0 (from 4.4.x) and is still present with KDE 4.5.1. Reproducible: Sometimes
As my screenshot apparently exceeds the permissible size, I cannot attach it to this ticket. Please use the following image instead: http://archive.ginkel.com/kde/snapshot-plasma-ghost.png While I am not 100% certain that this is related to plasma instead of (kwin / compositing), I think the fact that there is a window of matching size hints at compositing being not guilty. ;-)
Another observation: Even when the shadow shows up where it is supposed to be a window slightly larger than the panel briefly flickers behind the panel when the panel is unhidden from time to time.
that is a duplicate.. not sure where the other is
I can confirm that from time to time. But only the panel on the left screen (dual monitor configuration) not the one on the right. Resizing the panel or restarting plasma fixes that temporarily.
Addition: Might be related to the fact that since 4.5.0 that panel shadows are hidden when a window is maximized so that the shadow does not get into the translucent background of aurorae window borders.
Created attachment 52226 [details] ghost shadow on a desktop Same problem here after upgrade to 4.5.x. Arch Linux 64 bit.
same problem for me - might be caused by updating xorg to 1.9? (Arch Linux 64 bit)
Tested on Kubuntu 10.10 (amd64) with Nvidia (proprietary) drivers. It happens both on 4.5.1 and 4.5.2. Disabling shadows in Desktop Effects did not make the shadow go away. It only disappears when I restart plasma or suspend / enable desktop effects.
If the current activity type is "folder view", you can't put an icon over the ghost (a small disallow sign appears near the icon), like a widget. I think it's a interesting clue ...
I can see the ghost window $ wmctrl -pxlG ... 0x0200098c -1 21795 0 0 1288 808 plasma-desktop.Plasma-desktop darkstar plasma-desktop
Does anyone know if this happens on 32-bit versions?
(In reply to comment #10) > I can see the ghost window > $ wmctrl -pxlG > ... > 0x0200098c -1 21795 0 0 1288 808 plasma-desktop.Plasma-desktop > darkstar plasma-desktop Sixth sense reference? ;)
(In reply to comment #10) > I can see the ghost window > $ wmctrl -pxlG > ... > 0x0200098c -1 21795 0 0 1288 808 plasma-desktop.Plasma-desktop > darkstar plasma-desktop Which size is your desktop?
(In reply to comment #13) > (In reply to comment #10) > > I can see the ghost window > > $ wmctrl -pxlG > > ... > > 0x0200098c -1 21795 0 0 1288 808 plasma-desktop.Plasma-desktop > > darkstar plasma-desktop > > Which size is your desktop? Oh, right. I forgot to mention that. Mine is 1680x1050.
Hm, I had I theory about the ghost being a fixed fraction of the full desktop originating at (0,0), but on my Kubuntu 10.10 test VM (running KDE 4.5.1) I just got a ghost window, which no longer matches this pattern: 0x02a020c3 -1 1326 259 192 541 408 plasma-desktop.Plasma-desktop matryoshka plasma-desktop This was with two panels (one auto-hiding at the top of the screen and one at the bottom being always visible). After deleting the panel at the top and rebooting the old pattern came back: 0x02a01676 -1 1345 0 0 541 408 plasma-desktop.Plasma-desktop matryoshka plasma-desktop In my experience the ghost is much more likely to show up when first logging in after booting the system than during consecutive logins (without rebooting). When inspecting the window dimensions it seems that these mimic the aspect ratio of the desktop size - although the fraction of the screen that is occupied by the ghost varies by desktop size.
(In reply to comment #13) > Which size is your desktop? dimensions: 1920x1200 pixels (554x342 millimeters) resolution: 88x89 dots per inch depths (7): 24, 1, 4, 8, 15, 16, 32 root window id: 0x15a depth of root window: 24 planes number of colormaps: minimum 1, maximum 1 default colormap: 0x20 default number of colormap cells: 256 preallocated pixels: black 0, white 16777215 options: backing-store NO, save-unders NO largest cursor: 64x64
The ghost window is related to the Panel settings. If the panel is set to auto-hide, the ghost appears and disappears with the panel. When the bug is happening : 0x020008c9 -1 6490 0 0 1288 808 plasma-desktop.Plasma-desktop darkstar plasma-desktop When the bug doesn't happen : 0x0200098c -1 21698 0 1159 1920 41 plasma-desktop.Plasma-desktop darkstar plasma-desktop Additionally, if you modify the height panel setting, the ghost disappears definitively until the next session. Something is wrong with the window geometry behind the panel.
Not sure if that is important, but I noticed that the size of the ghost window is only dependent on the Desktop resolution and not on the size of the panel. For a 1280x1024 display that is: 0x02000402 -1 3139 0 0 861 690 plasma-desktop.Plasma-desktop andromeda plasma-desktop It occupies pretty much 2/3 of the screen in horizontal and vertical direction. And as the question came up in comment #11: Yes, I have also seen the issue pop up on a 32-bit Kubuntu install running KDE 4.5.1.
Curious. My previous install was Kubuntu 10.04 32-bit, updated to 4.5.1 via PPA. The ghost was never shown. It only started appearing after a clean install of 10.10 (amd64) I was using a different plasma theme (a dark one) which I haven't installed yet. I'll do some tests today and post a comment. (In reply to comment #18) > And as the question came up in comment #11: Yes, I have also seen the issue pop > up on a 32-bit Kubuntu install running KDE 4.5.1.
I upgraded from Kububtu 10.04 and see the ghost - with or without a new profile.
*** Bug 254440 has been marked as a duplicate of this bug. ***
I can confirm this bug in kde 4.5.1 and 4.5.2 using NVIDIA proprietary drivers.
Forgot to mention that disabling (Alt+Shift+F12) and enabling (Alt+Shift+F12) the compositing removed the square.
I too am experiencing this "bug" in 4.5.1 on 64 bit using Nvidia beta drivers and auto hide of the task bar. Screen is set to 1920 X 1080. (The Nvidia drivers are what ever was installed as part of the upgrade from 10.04 to 10.10. Nvidia screen says beta on it now. Video card is an Nvidia 9600M GS with 512 Mb.)
*** Bug 255431 has been marked as a duplicate of this bug. ***
same here on Gentoo 64 bit with nvidia and compositing on. I have only one panel always visible. To make it disappear I have to turn off compositing and then turn it on. During this two moves, for just a moment this rectangle becomes fully black. This happens also with another user on the same machine. Sorry for duplication of bug.
I can reproduce this in 32bit KDE 4.5.2 with Nvidia display card and proprietary driver. My resolution is 1440x900 and the size of the ghost square is 960x600. One interesting thing to note is that, when I double click during KSplash, I see a white region in the place where ghost square is drawn. Finding out what that white region may help to resolve that issue.
Yeah, turning KDE Splash screen off makes it easier to see the mysterious white region before turning into a ghost in the shell.
*** Bug 255667 has been marked as a duplicate of this bug. ***
Issue still here in 4.5.3
Same problem here. Nothing more to add.
*** Bug 252881 has been marked as a duplicate of this bug. ***
Another information, 3 computers here: - At home: i have this bug - On my laptop, i have this bug too - At work, on a dualscreen, after some month with Kde 4.5, never have seen this bug!
Workaround: #!/bin/bash id=$(wmctrl -lx|grep plasma-desktop.Plasma-desktop|cut -d ' ' -f1) wmctrl -i -r $id -b toggle,fullscreen It will make your desktop flashing at end of splash screen but seems to work around issue ;)
I noticed in VirtualBox, when I resize the window (i.e. change the screen resolution) that area the ghost shadow is around flickers briefly like a window (grey background) and then disappears.
I can confirm that the script from Bellegarde Cédric "solves" the problem
This bug is present here on a desktop with kubuntu 10.10 with nvidia propetary plus autohide panel and a laptop 10.10 with open ati drivers and panel always visible.
*** Bug 248995 has been marked as a duplicate of this bug. ***
Just to say I've exactly the same problem. I'm using ubuntu 10.10 amd64, lastest KDE, Nvidia drivers. I had the same problem with openSUSE 11.3. Disabling and enabling Effects make shadow borders go back. I will temporary use the "workaround" script.
*** Bug 259010 has been marked as a duplicate of this bug. ***
(In reply to comment #34) > Workaround: > > #!/bin/bash > id=$(wmctrl -lx|grep plasma-desktop.Plasma-desktop|cut -d ' ' -f1) > wmctrl -i -r $id -b toggle,fullscreen I just tried this workaround, but it does not seem to have any effect (at least once the desktop is fully operational). Is there a preferred point in time during the startup sequence to execute this workaround?
Created attachment 54232 [details] Before restarting compositing I have the same issue on Arch64. Restarting compositing doesn't entirely fix the problem. I'm using the search and launch activity, and when the ghost appears it hides all the bookmarked icons behind it (but only those fully behind it). Restaring compositing hides the shadow, but the missing icons don't reapppear
Created attachment 54233 [details] After restarting compositing
I think I found the issue. Another WORKAROUND is to disable the splash screen. After that when starting you will see a window with no borders with the same size of this shadow. But without the splash screen I think KWin does paint that shadow. I don't know how to fix it but at least I can see now what is causing this shadow.
cc'ing kwin, perhaps they know more about what to do.
Getting this on two more computers: Computer 1: * Kubuntu 10.04 32 bit * Xorg-edgers (ie daily build of Xorg and associated drivers) * KDE 4.5.4 * ATI HD 4850 (r600) * Single monitor desktop * Autohide panel * Compositing ON Computer 2: * Dell Inspiron 1501 Laptop * Kubuntu 10.04 32 bit * Standard ATI FOSS Driver from repos * KDE 4.5.4 * ATI Radeon Xpress M200 * Default (non-autohide) panel * Compositing OFF The only similarities between the two computers I can see are: 32 Bit Kubuntu with KDE 4.5.4. They both use FOSS ATI, too, but very different versions.
For me it seems to add the following windows, versus when the shadow window isn't visible: 0x01e0147a -1 1680 0 739 1360 29 Plasma.Plasma morpheus plasma-desktop 0x01e01486 -1 1680 0 0 914 520 plasma-desktop.Plasma-desktop morpheus plasma-desktop Monitor resolution is 1360 x 768
Same problem here, with kubuntu 10.10 64 bits KDE 4.5.4 with Radeon open source drivers. Screen dimension : 1920x1080. The ghost shadow first appeared when I closed a KDE session with a rekonq window opened. Since this time, a ghost shadow whom dimension corresponds to this window appears at the top left of the screen when my KDE session starts. Always the same dimension, always at the same position. Closing a session with another window opened does not change the position and the dimension of the ghost shadow, next time a KDE session is started. Deleting local .kde directory does not fix anything. Same behavior as Adreas Z (comment #26) with respect to compositing.
Huh, only wanted to add a "me too". It happened with 10.04, and a 10.10 amd64 clean install updated to KDE 4.5.4. Dual screen 1680x1050+1152x864, nvidia propietary driver 260.19.21. Just updated to KDE 4.6 beta 2 and the problem seems to be vanished!
*** Bug 259162 has been marked as a duplicate of this bug. ***
SVN commit 1206815 by aseigo: adjust the shadow window geom on resizeEvent, just as it is with moveEvent. good chance it's the cause of .. CCBUG:251537 M +4 -4 panelview.cpp WebSVN link: http://websvn.kde.org/?view=rev&revision=1206815
can those who are affected by this update to the next 4.6 prerelease (beta/rc) or 4.6.0 if you can't before then (though preferably we find out sooner) and confirm if the above commit fixes it? thanks.
*** Bug 257852 has been marked as a duplicate of this bug. ***
I have downported the equivalent of Aaron's fix to KDE 4.5.4 and uploaded new packages to a special PPA for Kubuntu: https://launchpad.net/~thilo.ginkel/+archive/kde-4.5.x Please let me know whether this works for you (in that case it would proably make sense to commit the fix to the official KDE 4.5.x codebase).
That PPA seems to be private. I just get: "Not allowed here Sorry, you don't have permission to access this page. " at launchpad. I'm logged in.
(In reply to comment #52) > can those who are affected by this update to the next 4.6 prerelease (beta/rc) > or 4.6.0 if you can't before then (though preferably we find out sooner) and > confirm if the above commit fixes it? thanks. I've been running 4.6 RC1 for about a week now, and haven't seen this issue even once after upgrading. I.e. it looks like it's been fixed!
I did encounter it once but it was another “symptome”. Instead of having a rectangle drawn on the screen, I had a black shadow at the bottom of the screen (my panel is at the top) on my notebook 1366x768 Kubuntu 10.10 KDE 4.6 RC1 Intel graphics
This bug occurs on my setup as well, not each time, but maybe in 33% of the cases. Kubuntu 10.10, i386, KDE 4.5.4, nvidia 260.19.06 Empty frame in the top left corner (similar to the one in the provided screenshot). Bigger than the default folder view plasmoid. Only using default plugins / settings here. I guess there won't be a KDE 4.5.5 as 4.6.0 is released this month, so, if it's been fixed meanwhile, it's probably not an issue anymore.
ok we just wait for 4.6 :-)
After a minor update (it still is 4.5.4) from the Kubuntu backports PPA the shadown vanished. I'm now on 4.5.5 (Kubuntu 10.10) and the shadow remains gone.
I haven‘t had it in a while with KDE 4.6 RC1 or RC2.
4.5.5 (kubuntu) still has the bug. I've seen it once so far.
Bug is gone for me with the update to version 4.5.5 (Arch Linux 64 bit).
Created attachment 55782 [details] 4.5.5 doesn't fix it in kubuntu amd64 kubuntu amd64, kde 4.5.5 $ wmctrl -lGpx 0x01e003d2 -1 8229 0 0 1680 1050 Plasma.Plasma venkman plasma-desktop 0x01e003cf -1 8229 0 1005 1680 45 Plasma.Plasma venkman plasma-desktop 0x01e003d5 -1 8229 272 167 1136 716 plasma-desktop.Plasma-desktop venkman plasma-desktop $ dpkg -l | grep kdebase ii kdebase-bin 4:4.5.5-0ubuntu1.1ppa1 core binaries for the KDE 4 base module ii kdebase-data 4:4.5.5-0ubuntu1.1ppa1 shared data files for the KDE 4 base module ii kdebase-runtime 4:4.5.5-0ubuntu1ppa1 runtime components from the official KDE 4 release ii kdebase-runtime-data 4:4.5.5-0ubuntu1ppa1 shared data files for the KDE 4 base runtime module ii kdebase-workspace 4:4.5.5-0ubuntu1ppa1 base workspace components from the official KDE 4 release ii kdebase-workspace-bin 4:4.5.5-0ubuntu1ppa1 core binaries for the KDE 4 base workspace module ii kdebase-workspace-data 4:4.5.5-0ubuntu1ppa1 shared data files for the KDE 4 base workspace module ii kdebase-workspace-kgreet-plugins 4:4.5.5-0ubuntu1ppa1 KDE greet libraries for authentication ii libkworkspace4 4:4.5.5-0ubuntu1ppa1 library for the kdebase workspace Aaron, does 4.5.5 include this fix?
Seems to be gone in my case as well but I need to test it bit more though.
I'm still getting it with 4.5.5 on Kubuntu 10.10 but with a whole bunch of freaky ppa's (Xorg-edgers etc). One time the window shadow came up for me just as I was shutting down, and actually showed a window there after a second or two. The window was titled Rekonq (which I have as one of my daily-ppa's) so I have a feeling this is likely rekonq related.
Hmmm... purged rekonq, logged out and in again and and I still get it...
Still getting it here also.
There's a similar report and a thread on kwin or kde-devel (forgot) wich seems to tie a "ghost window" to the presence of activities - can this be confirmed by users who still encounter the issue?
Thomas : I don't think so ; in my case, I have a pretty clean install with KDE 4.5.5, am not using activities, and still do encounter the "ghost window" issue on the plasma desktop.
(In reply to comment #63) > Bug is gone for me with the update to version 4.5.5 (Arch Linux 64 bit). Are you sure ? upgraded to 4.5.5 and unfortunately the bug is still here on Arch Linux 32 bits. has the commit (http://websvn.kde.org/?view=rev&revision=1206815) been applied to 4.5.5 ?
as can be seen here: http://websvn.kde.org/tags/KDE/4.5.5/kdebase/workspace/plasma/desktop/shell/panelview.cpp?view=annotate comparing with: http://websvn.kde.org/trunk/KDE/kdebase/workspace/plasma/desktop/shell/panelview.cpp?r1=1206815&r2=1206814&pathrev=1206815 then, no, it did not make it into 4.5.5
looking through the comments it seems it is fixed with 4.6, and not in 4.5.5, which given that the fix is only in 4.6 and not backported to 4.5.5 that is precisely what we should expect. wonderful. :)
Actually I expected it to be included in 4.5.5... :-/
*** Bug 263826 has been marked as a duplicate of this bug. ***
bug not present in kde 4.6 :-)
Confirmed, bug fixed in kde 4.6.0
I don‘t experience it anymore with 4.6 either.