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kde black screen

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B4Time
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kde black screen

Mon Mar 19, 2012 2:45 am
I was wondering what forum to post in for help with my kde install.After updates today I have a black screen.There are 2 buttons on the black screen.The new activity button on the upper right and the dash board button on the left.My computer works as normal.I can bring up any program with alt+f2 and use it.It is just my desktop that is not right.Nothing kde shows up at boot just a black screen with the two buttons.I tried older kernals no help.different video drivers and did a complet reinstall and updates.black screen.Vlc and flash both play fine.This is in kde some where and I need some help tracking what went wrong here.I'm running kororaa 16[fedora 16 spin] 64 bit on an i7 core 4 gigs ram.Could some one please point me in the right direction?Thanks
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Hans
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Re: kde black screen

Mon Mar 19, 2012 2:48 am
Moved to Workspace.

Can you take a screenshot with KSnapshot and post here? Not sure what the dashboard button is. What happens if you right-click on the "desktop"? Can you run
Code: Select all
plasma-desktop

in a terminal?


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B4Time
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Re: kde black screen

Mon Mar 19, 2012 3:00 am
the button on the left is the activity manager.

when I run plasma-desktop I get

Code: Select all
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
B4Time
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Re: kde black screen

Mon Mar 19, 2012 5:08 pm
added gnome and am now using it.works fine.kde is not working correctly broken by updates.Hopefully some will correct the trouble.
B4Time
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Re: kde black screen

Tue Mar 20, 2012 4:28 pm
update and info

karoraa 16 64 on a sony vaio VPCF111FX I7 core 4 gigs ram

kde 4.8.1

01:00.0 VGA compatible controller: nVidia Corporation GT218 [GeForce 310M] (rev a2)


[ 39.713] Kernel command line: BOOT_IMAGE=/vmlinuz-3.2.10-3.fc16.x86_64 root=/dev/mapper/vg_2012-lv_root ro rd.luks.uuid=luks-0fc346e2-ff71-4996-b7fb-e74cef626f0c rd.md=0 rd.dm=0 LANG=en_AU.UTF-8 KEYTABLE=us quiet rhgb rd.lvm.lv=vg_2012/lv_swap rd.lvm.lv=vg_2012/lv_root nouveau.modeset=0 rd.driver.blacklist=nouveau
[ 39.714] X.Org Video Driver: 11.0
[ 39.714] X.Org XInput driver : 13.0
[ 39.953] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so
[ 39.954] Module class: X.Org Video Driver
[ 39.954] (II) NVIDIA dlloader X Driver 290.10 Wed Nov 16 17:41:10 PST 2011
[ 39.954] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[ 39.969] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so
[ 43.015] (II) NVIDIA(0): [DRI2] VDPAU driver: nvidia
[ 43.329] Module class: X.Org XInput Driver
[ 43.329] ABI class: X.Org XInput driver, version 13.0
[ 43.329] (II) Using input driver 'evdev' for 'Sony Vaio Keys'
[ 43.364] (II) Using input driver 'evdev' for 'Video Bus'
[ 43.365] (II) Using input driver 'evdev' for 'Power Button'
[ 43.366] (II) No input driver specified, ignoring this device.
[ 43.367] (II) No input driver specified, ignoring this device.
[ 43.368] (II) No input driver specified, ignoring this device.
[ 43.368] (II) No input driver specified, ignoring this device.
[ 43.369] (II) No input driver specified, ignoring this device.
[ 43.369] (II) No input driver specified, ignoring this device.
[ 43.370] (II) No input driver specified, ignoring this device.
[ 43.371] (II) Using input driver 'evdev' for 'AT Translated Set 2 keyboard'
[ 43.372] (II) Using input driver 'evdev' for 'PS/2 Mouse'
[ 43.373] (II) No input driver specified, ignoring this device.
[ 43.374] Module class: X.Org XInput Driver
[ 43.374] ABI class: X.Org XInput driver, version 13.0
[ 43.374] (II) Using input driver 'synaptics' for 'AlpsPS/2 ALPS GlidePoint'
[ 43.410] (II) No input driver specified, ignoring this device.
[ 43.411] (II) No input driver specified, ignoring this device.
[ 43.411] (II) No input driver specified, ignoring this device.

things i tried

tried new video driver[nvidea] no good ,tried older kernal no good ,tried new user no good.
reloaded the whole system then updated no good still a black screen


http://forums.opensuse.org/english/get- ... -load.html

viewtopic.php?f=66&t=91932
B4Time
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Re: kde black screen

Tue Mar 20, 2012 11:18 pm
I did get the kde crash handler with a fault.I'm install debug sysmbols now.Crash handler said.

Executable: plasma-desktop PID: 1682 Signal: Segmentation fault (11)

Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault.

funny thing is I installed the gnome3 de for a normal de .I read I could do this from a post here.When the kde crash handler popped up the screen loaded(not the task bar)the only thing is it loaded the gnome wallpaper with the gnome icons,Computer,home,readme.pdf and trash.I figure I,ll try and fix this if I can and reload with just the kde and fix the black screen and I should be good to go.I really dislike gnome3 widows has more options than gnome3 it seems.

funny checking the crash handler list of files I get this warning

The packages containing debug information for the following application and libraries are missing:

/usr/bin/plasma-desktop

thanks for any help
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bcooksley
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Re: kde black screen

Wed Mar 21, 2012 7:42 am
You need to install debugging packages (available from your distribution package manager, or from Dr Konqi if your distribution provides the correct hooks to do so) to generate a backtrace.

Have you tried logging into KDE under a new user to eliminate bad configuration files as the cause of the issue?


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csmart
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Re: kde black screen

Fri Mar 23, 2012 9:15 am
Try moving your .kde directory out of the way and it will create a new
one when you next log in.

When it's booted and before logging into KDE, switch to terminal by
pressing:
Ctrl + Alt + F2

Then log in as your user, and run:
mv .kde .kde-old

Then logout:
exit

Switch back to the graphical login:
Ctrl + Alt + F1

And log in. You will have to set up you KDE settings again, but it
should get you going at least.


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