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

[Doug McMahon]

While the orig. bug was filed on a 32 bit desktop & am currently using a 32 bit install on a laptop just booted to todays daily 64 bit
Installed vlc, tried to open the playlist & easily seen.
Terminal showed errors as in descript (X Errors), .xsessions shows 1000's of 
"compiz (opengl) - Info: Couldn't bind redirected window 0x3800006 to texture"
use of the session degraded as in screenshot attached

Also did again produce a unity-window-decorator crash - can be seen here if needed
Bug  853897 

This has been occurring on various machines since late June, dozens of fresh installs on a weekly basis
The only thing these machines have in common is nvidia display adapters

** Attachment added: "Screenshot at 2011-09-19 14:07:28.png"
   https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/805303/+attachment/2426587/+files/Screenshot%20at%202011-09-19%2014%3A07%3A28.png

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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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