Description of problem: F20 installation using kmod nvidia drivers. When using the "Folder Layout" for the Plasma Desktop Shell with a user-defined background image, the plasma desktop shell will properly display icons on the desktop only if "System Settings > Desktop Effects > Enable Desktop Effects at Startup" is disabled. If this setting is enabled, then upon starting KDE the desktop will fade-in but there will be no icons drawn on the dekstop; the desktop appears with the background image and taskbar but no icons are populated onto the desktop. To get icons to appear on the desktop, one must right-click on the desktop, select Folder Settings, change the Layout to a different value (such as Grid), and then change it back to Folder. Version-Release number of selected component (if applicable): KDE 4.11.4 How reproducible: Whenever "enable desktop effects at startup" is enabled. Steps to Reproduce: 1. Enable desktop effects at startup. 2. Configure plasma desktop to Folder mode 3. startx Actual results: Fade into desktop with no icons displayed. Expected results: Fade into desktop with icons displayed. Additional info:
Created attachment 848412 [details] Sample dmesg output
Created attachment 848413 [details] sample lspci output
Such rendering glitches are clearly graphics driver bugs, especially when they only appear with desktop effects enabled. Since you are using the proprietary nvidia driver, there is unfortunately no way we can fix the bug in Fedora. Sorry. Please report it directly to NVidia.
There's now a duplicate that claims this can be reproduced also with Nouveau.
*** Bug 1100170 has been marked as a duplicate of this bug. ***
I've got a bug update now that someone is interested: Originally, the bug could be avoided by changing the settings of "System Settings > Workspace Appearance and Behavior > Desktop Effects > Enable Desktop Effects at Startup" so that Desktop Effects at Startup was disabled. Simply disabling the check box made the problem go away. It isn't that way anymore. At this time there are no settings that can be used to avoid encountering the bug, and juggling the toggles in System Settings is pointless as it produces no effect; every time that I reboot I have to jump through the hoops of changing the desktop type and then reverting back to folder view just to get icons. It's quite a pain. The only way for me to avoid the problem is to leave the PC running 24/7. Unfortunately, although I knew at one time exactly which KDE software revisions caused the problem to get worse, I no longer have that information. I threw it away because finger-pointing dismissed the bug as an nvidia driver problem and resulted in closure of the bug report. Sorry that I can't be more help.
(In reply to bob from comment #6) I can confirm that the desktop icons now disappear at *every* login not just at random. (Running a fully updated Fedora 20 with dual screens, nvidia card, nouveau driver)
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