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Bug 281615

Summary: kde-base/kwin-4.3.0: keyboard don't work after switch between virtual desktops
Product: Gentoo Linux Reporter: Eugene <Johnbat26>
Component: [OLD] KDEAssignee: Gentoo KDE team <kde>
Severity: major CC: dilfridge, esigra, sylvchev, x11
Priority: High    
Version: unspecified   
Hardware: AMD64   
OS: Linux   
Package list:
Runtime testing required: ---
Bug Depends on:    
Bug Blocks: 313999    

Description Eugene 2009-08-15 19:37:07 UTC
I have this problem after update to kde-4.3.
I use Alt+1, Alt+2 ... and Alt+6 for switch between virtual desktops (6 desktops).
When I switch them quickly, and use Alt+tab, then keyboard stops working sometimes. Remain works only Ctrl, Alt and BackSpace.
Repair this problem is restart  KDE at all, or press Alt + left button of mouse.
evdev version: 2.2.4. 
Keyboard  settings: setxkbmap -model evdev -layout us,ru -variant ,winkeys
This problem iterates at several computers. In console this problem don't appears! 

Reproducible: Sometimes

Steps to Reproduce:
1. Create 6 virtual desktops.
2. Bind Alt+1,Alt+2, Alt+3, Alt+4, Alt+5, Alt+6 for switch them.
3. Switch them quickly, and switch between application inside desktops at Alt+Tab.
4. Keyboard stop working sometimes.

Actual Results:  
Keyboard stop working, Remain works only Ctrl, Alt and BackSpace.

Expected Results:  
Keyboard must work!
Comment 1 Andreas K. Hüttel archtester gentoo-dev 2010-01-26 17:24:12 UTC
Does switching to a text console (CTRL-ALT-F1 etc) still work?

Maybe related to KDE-bug 163504, where screensaver transition causing high cpu load similarly locks up the keyboard.
Comment 2 Andreas K. Hüttel archtester gentoo-dev 2010-04-17 21:34:22 UTC
*** Bug 296662 has been marked as a duplicate of this bug. ***
Comment 3 Andreas K. Hüttel archtester gentoo-dev 2010-06-12 16:05:26 UTC
Does this still happen with kde-4.3.5 or kde-4.4.4 (current stable candidate)?

What's your x11 driver? Could you please attach emerge --info, Xorg.log.0 and xorg.conf?!
Comment 4 Andreas K. Hüttel archtester gentoo-dev 2010-06-20 21:15:00 UTC
No reply, resolving as NEEDINFO. Please reopen if the problem reappears with more recent kde versions.