[Bug 1184171] Re: Kate quits with an X Window System error

[Exalm]

** Description changed:

  When any dialog (Open, save as, about Kate, about KDE, settings, hotkey
  settings etc.) is closed, Kate gets an X Window System error and quits
  without crash dialog.
  
  EDIT: It only happens when workspaces are on.
  EDIT2: It only happens if workspaces were enabled when Kate was launched.
  
  How to reproduce: Ctrl+O; Esc.
  This doesn't happen with KWrite.
  
- This happens on Saucy with all the latest updates and Kate
- 4:4.10.3-0ubuntu1.
+ This happens on Saucy with all the latest updates and Kate 4:4.10.3-0ubuntu1.
+ EDIT3: Happens on Raring too.
  
  Terminal log:
  ~ $ kate
  QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
  kate(19142)/kate-filetree KateFileTreePluginView::KateFileTreePluginView: BEGIN: mw: Kate::MainWindow(0x868cc40)
  kate(19142)/kate-filetree ProxyItem::ProxyItem: ProxyItem(0x896a458,0x0,-1,QObject(0x0) ,"m_root")
  kate(19142)/kate-filetree ProxyItem::ProxyItem: ProxyItem(0x8963f50,0x0,-1,QObject(0x0) ,"Bez tytułu")
  kate(19142)/kate-filetree KateFileTreeModel::documentOpened: before add: ProxyItem(0x8963f50,0x0,-1,KateDocument(0x88023a8) , "Bez tytułu" )
  kate(19142)/kate-filetree KateFileTreeModel::setupIcon: BEGIN!
  kate(19142)/kate-filetree KateFileTreeModel::setupIcon: END!
  kate(19142)/kate-filetree KateFileTreeModel::handleInsert: BEGIN!
  kate(19142)/kate-filetree KateFileTreeModel::handleInsert: empty item
  kate(19142)/kate-filetree ProxyItem::addChild: added ProxyItem(0x8963f50,0x896a458,0,KateDocument(0x88023a8) , "Bez tytułu" )   to ProxyItemDir(0x896a458,0x0,-1,"m_root", children:1)
  kate(19142)/kate-filetree KateFileTreeModel::documentOpened: after add: ProxyItem(0x8963f50,0x896a458,0,KateDocument(0x88023a8) , "Bez tytułu" )
  kate(19142)/kate-filetree KateFileTreeProxyModel::KateFileTreeProxyModel: BEGIN!
  kate(19142)/kate-filetree KateFileTreeModel::updateBackgrounds: BEGIN!
  kate(19142)/kate-filetree KateFileTreeModel::updateBackgrounds: m_editHistory contains  0  elements
  kate(19142)/kate-filetree KateFileTreeModel::updateBackgrounds: END!
  kate(19142)/kate-filetree KateFileTreePluginView::setListMode: BEGIN
  kate(19142)/kate-filetree KateFileTreePluginView::setListMode: treeMode
  kate(19142)/kate-filetree KateFileTreePluginView::setListMode: END
  kate(19142)/kate-filetree KateFileTreePluginView::viewChanged: BEGIN!
  kate(19142)/kate-filetree KateFileTreePluginView::viewChanged: BEGIN!
  kate(19142)/kate-filetree KateFileTreeProxyModel::docIndex: !
  kate(19142)/kate-filetree KateFileTreeModel::docIndex: BEGIN!
  kate(19142)/kate-filetree KateFileTreeModel::docIndex: END!
  kate(19142)/kate-filetree KateFileTreePluginView::viewChanged: selected doc= KateDocument(0x88023a8) QModelIndex(0,0,0x881c368,KateFileTreeProxyModel(0x8971190) )
  kate(19142)/kate-filetree KateFileTreePluginView::viewChanged: display= "Bez tytułu"
  kate(19142)/kate-filetree KateFileTreeModel::documentActivated: BEGIN!
  kate(19142)/kate-filetree KateFileTreeModel::documentActivated: adding viewHistory ProxyItem(0x8963f50,0x896a458,0,KateDocument(0x88023a8) , "Bez tytułu" )
  kate(19142)/kate-filetree KateFileTreeModel::documentActivated: END!
  kate(19142)/kate-filetree KateFileTree::slotCurrentChanged: current: QModelIndex(0,0,0x881c368,KateFileTreeProxyModel(0x8971190) )  previous: QModelIndex(-1,-1,0x0,QObject(0x0) )
  kate(19142)/kate-filetree KateFileTree::slotCurrentChanged: got doc, setting prev: QModelIndex(0,0,0x881c368,KateFileTreeProxyModel(0x8971190) )
  kate(19142)/kate-filetree KateFileTreePluginView::viewChanged: END!
  The program 'kate' received an X Window System error.
  This probably reflects a bug in the program.
  The error was 'BadWindow (invalid Window parameter)'.
    (Details: serial 3610 error_code 3 request_code 20 minor_code 0)
    (Note to programmers: normally, X errors are reported asynchronously;
     that is, you will receive the error a while after causing it.
     To debug your program, run it with the --sync command line
     option to change this behavior. You can then get a meaningful
     backtrace from your debugger if you break on the gdk_x_error() function.)
  
  Sorry if some information is missing.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: kate 4:4.10.3-0ubuntu1
  ProcVersionSignature: Ubuntu 3.9.0-2.7-generic 3.9.3
  Uname: Linux 3.9.0-2-generic i686
  ApportVersion: 2.10.2-0ubuntu1
  Architecture: i386
  Date: Sat May 25 22:56:23 2013
  InstallationDate: Installed on 2012-06-10 (349 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MarkForUpload: True
  SourcePackage: kate
  UpgradeStatus: Upgraded to saucy on 2013-03-14 (72 days ago)

** Tags added: raring

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Title:
  Kate quits with an X Window System error

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