[Bug 805303] Re: Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion `GTK_IS_WIDGET (widget)' failed with the default qt4 gui

[Doug McMahon]

** Description changed:

- Not sure if title is correct, suffice to say vlc will hang when trying to open anything additional -  it also appears to crash unity-window-decorator among other things (have crash report on that)
+  vlc will hang when trying to open anything additional -  it also appears to crash unity-window-decorator among other things (have crash report on that)
  Ex.'s - the playlist, tools > preferences and so forth
  
  Switching the qt4 gui to anything but 'default' (gtk+) in qtconfig-qt4
  and it works without incidence (tooltips are empty bit otherwise good).
  
  Will attach xsession.errors, reflects a login, opening vlc, opening xsession.errors, then attempting to open playlist window in vlc.
  (using nvidia-current)
  
- Note to vlc users - I've found clearlooks to be best choice, should be
+ Note to Vlc users - I've found clearlooks to be best choice, should be
  good for other apps as well. Also do as mentioned in comment 13
+ 
+ Note to Anki users - please review comments 20, 22 for current
+ workaround
  
  This happens with many Qt4 and PyQt4 applications.
  Some errors displayed (from comments 16 and 18):
  
  (python:2901): Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion `GTK_IS_WIDGET (widget)' failed
  (python:2901): Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion `GTK_IS_WIDGET (widget)' failed
  
  QWidget::setMinimumSize: (/MainWindow) The largest allowed size is
  (16777215,16777215)
  
  X Error: BadDrawable (invalid Pixmap or Window parameter) 9
-   Major opcode: 62 (X_CopyArea)
-   Resource id: 0x0
+   Major opcode: 62 (X_CopyArea)
+   Resource id: 0x0
  X Error: BadAlloc (insufficient resources for operation) 11
-   Major opcode: 53 (X_CreatePixmap)
-   Resource id:  0x15a
+   Major opcode: 53 (X_CreatePixmap)
+   Resource id:  0x15a
  X Error: BadDrawable (invalid Pixmap or Window parameter) 9
-   Extension:    152 (RENDER)
-   Minor opcode: 4 (RenderCreatePicture)
-   Resource id:  0x42004f6
+   Extension:    152 (RENDER)
+   Minor opcode: 4 (RenderCreatePicture)
+   Resource id:  0x42004f6
  X Error: RenderBadPicture (invalid Picture parameter) 174
-   Extension:    152 (RENDER)
-   Minor opcode: 8 (RenderComposite)
-   Resource id:  0x42004f6
+   Extension:    152 (RENDER)
+   Minor opcode: 8 (RenderComposite)
+   Resource id:  0x42004f6
  X Error: BadPixmap (invalid Pixmap parameter) 4
-   Major opcode: 54 (X_FreePixmap)
-   Resource id:  0x42004f6
+   Major opcode: 54 (X_FreePixmap)
+   Resource id:  0x42004f6
  
  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: vlc 1.1.10-1ubuntu2
  ProcVersionSignature: Ubuntu 2.6.38-9.43lp760131v201106060906-generic 2.6.38.7
  Uname: Linux 2.6.38-9-generic i686
  NonfreeKernelModules: nvidia
  Architecture: i386
  Date: Sun Jul  3 23:23:42 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110202)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: vlc
  UpgradeStatus: Upgraded to oneiric on 2011-07-03 (1 days ago)

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Title:
  Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion `GTK_IS_WIDGET
  (widget)' failed with the default qt4 gui

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