StacktraceTop: _gtk_style_provider_private_get_settings (provider=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkstyleproviderprivate.c:123 gtk_css_value_initial_compute (value=<optimized out>, property_id=1, provider=0x0, style=0x194fd60, parent_style=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcssinitialvalue.c:52 gtk_css_static_style_compute_value (style=0x194fd60, provider=0x0, parent_style=0x0, id=1, specified=0x7f3a02809cd0 <inherit>, section=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcssstaticstyle.c:232 _gtk_css_lookup_resolve (lookup=lookup@entry=0x1961170, provider=provider@entry=0x0, style=style@entry=0x194fd60, parent_style=parent_style@entry=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcsslookup.c:125 gtk_css_static_style_new_compute (provider=provider@entry=0x0, matcher=matcher@entry=0x0, parent=parent@entry=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcssstaticstyle.c:191
StacktraceTop: provider_ private_ get_settings (provider=0x0) at /build/ gtk+3.0- qjgeoX/ gtk+3.0- 3.18.8/ ./gtk/gtkstylep roviderprivate. c:123 value_initial_ compute (value=<optimized out>, property_id=1, provider=0x0, style=0x194fd60, parent_style=0x0) at /build/ gtk+3.0- qjgeoX/ gtk+3.0- 3.18.8/ ./gtk/gtkcssini tialvalue. c:52 static_ style_compute_ value (style=0x194fd60, provider=0x0, parent_style=0x0, id=1, specified= 0x7f3a02809cd0 <inherit>, section=0x0) at /build/ gtk+3.0- qjgeoX/ gtk+3.0- 3.18.8/ ./gtk/gtkcsssta ticstyle. c:232 lookup_ resolve (lookup= lookup@ entry=0x1961170 , provider= provider@ entry=0x0, style=style@ entry=0x194fd60 , parent_ style=parent_ style@entry= 0x0) at /build/ gtk+3.0- qjgeoX/ gtk+3.0- 3.18.8/ ./gtk/gtkcssloo kup.c:125 static_ style_new_ compute (provider= provider@ entry=0x0, matcher= matcher@ entry=0x0, parent= parent@ entry=0x0) at /build/ gtk+3.0- qjgeoX/ gtk+3.0- 3.18.8/ ./gtk/gtkcsssta ticstyle. c:191
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