[Bug 1005677] [NEW] Re-emergence of "Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion `GTK_IS_WIDGET (widget)'"

[Doug McMahon]

Public bug reported:

Recently in 12.10 this has started occurring again,  in a very similar fashion as was previously seen in 11.10 dev,  referred to here
Bug  805303

Current test cases:
May not happen the 1st try

Open vlc  > Media > Open Disc
Open vlc > Tools > Preferences > click on " Show Settings > all" radio button
Open calibre after initial setting up

In both vlc & calibre using LIBOVERLAY_SCROLLBAR=0  prevents bad
behavior (same as previous bug

Ex of sizing  "Open Media" window in vlc

xwininfo: Window id: 0x1e0004b "Open Media"

  Absolute upper-left X:  -7566
  Absolute upper-left Y:  367
  Relative upper-left X:  3
  Relative upper-left Y:  3
  Width: 16383
  Height: 421
  Depth: 24
  Visual: 0x21
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x20 (installed)
  Bit Gravity State: NorthWestGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +-7566+367  --7537+367  --7537-12  +-7566-12
  -geometry 16383x421+-7569-2

** Affects: qt4-x11 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: quantal

** Tags added: quantal

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https://bugs.launchpad.net/bugs/1005677

Title:
  Re-emergence of "Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion
  `GTK_IS_WIDGET   (widget)'"

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