New: Crash on consecutive 'Show Desktop' when toggling Yakuake inbetween

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http://bug
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           Summary: Crash on consecutive 'Show Desktop' when
toggling
                    Yakuake inbetween
           Product: kwin
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kwin kde org
        ReportedBy: hein kde org


Version:            (using KDE KDE 3.5.6)
Installed from:    Compiled From Sources
OS:                Linux

This is technically a continuation of bug #117677, which
contains a similar backtrace in comment #7 and the same
steps in #12, somewhat drowned out by other noise.

Yakuake is a drop-down terminal emulator based around
Konsole's kpart, i.e. it has a KGlobalAccel tied to sliding
its window in and out from the top of the screen. When it's
opened, it sets it state to 'NET::KeepAbove | NET::Sticky |
NET::SkipTaskbar | NET::SkipPager'. By default, it retracts
its window when it detects a loss of focus, but it can be
made to stick around via its settings.

Trying to reproduce this crash relies on having Yakuake
configured not to retract on focus changes.

1. Open the usual mix of various applications and their
windows.
2. Launch Yakuake, and slide open its window by using its
global shortcut.
3. Invoke 'Show Desktop', hiding all application windows
except Yakuake's (because "Show Desktop" is, iirc,
implemented by calling minimize on the list of windows not
skipping the pager).
4. Use Yakuake's global shortcut to slide out the window.
5. Invoke 'Show Desktop' again. kwin immediately crashes.

Backtrace follows.
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http://bug
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------- Additional Comments From hein kde org  2007-05-07
17:10 -------
Created an attachment (id=20508)
 --> (http://bugs.kde.org/attachment.cgi?id=20508&actio
n=view)
kwin crash
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http://bug
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l.lunak kde org changed:

           What    |Removed                     |Added
------------------------------------------------------------
----------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED



------- Additional Comments From l.lunak kde org  2007-05-09
16:47 -------
SVN commit 662906 by lunakl:

Remove deleted clients also from the list for 'show
desktop'.
BUG: 145147



 M  +1 -0      workspace.cpp  


--- branches/KDE/3.5/kdebase/kwin/workspace.cpp
#662905:662906
 
-572,6 +572,7  
         focus_chain[ i ].remove( c );
     global_focus_chain.remove( c );
     attention_chain.remove( c );
+    showing_desktop_clients.remove( c );
     if( c->isTopMenu())
         removeTopMenu( c );
     Group* group = findGroup( c->window());
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l.lunak kde org changed:

           What    |Removed                     |Added
------------------------------------------------------------
----------------
                 CC|                           
|elmerengue1902 gmail com



------- Additional Comments From l.lunak kde org  2007-05-21
15:42 -------
*** Bug 145673 has been marked as a duplicate of this bug.
***
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l.lunak kde org changed:

           What    |Removed                     |Added
------------------------------------------------------------
----------------
                 CC|                           
|trasgoescuro yahoo es



------- Additional Comments From l.lunak kde org  2007-06-01
15:50 -------
*** Bug 143501 has been marked as a duplicate of this bug.
***
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l.lunak kde org changed:

           What    |Removed                     |Added
------------------------------------------------------------
----------------
                 CC|                            |dfedoruk
gmail com



------- Additional Comments From l.lunak kde org  2007-06-18
23:28 -------
*** Bug 146907 has been marked as a duplicate of this bug.
***
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l.lunak kde org changed:

           What    |Removed                     |Added
------------------------------------------------------------
----------------
                 CC|                            |nikido84
libero it



------- Additional Comments From l.lunak kde org  2007-07-12
16:42 -------
*** Bug 147317 has been marked as a duplicate of this bug.
***
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