Flash Plugin Errors - Gtk-CRITICAL errors

[sparek-3]

I've pulled out every hair on my head trying to figure this one out.

I have verified that Flash is installed with about:plugins

I can't get Flash to work in FireFox on Ubuntu 12.04. When I try to load a test flash page like:

http://helpx.adobe.com/flash-player/...sh-player.html

It just shows a black box where the flash contents is suppose to be.

The console shows the errors:

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_get_visual: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_new: assertion `GDK_IS_VISUAL (visual)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_alloc_colors: assertion `GDK_IS_COLORMAP (colormap)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_modify_bg: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_get_visual: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_new: assertion `GDK_IS_VISUAL (visual)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_alloc_colors: assertion `GDK_IS_COLORMAP (colormap)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_modify_bg: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_get_visual: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_new: assertion `GDK_IS_VISUAL (visual)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_alloc_colors: assertion `GDK_IS_COLORMAP (colormap)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_modify_bg: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_get_visual: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_new: assertion `GDK_IS_VISUAL (visual)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_alloc_colors: assertion `GDK_IS_COLORMAP (colormap)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_modify_bg: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_get_visual: assertion `GTK_IS_WIDGET (widget)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_new: assertion `GDK_IS_VISUAL (visual)' failed

(plugin-container:2551): Gdk-CRITICAL **: IA__gdk_colormap_alloc_colors: assertion `GDK_IS_COLORMAP (colormap)' failed

(plugin-container:2551): Gtk-CRITICAL **: IA__gtk_widget_modify_bg: assertion `GTK_IS_WIDGET (widget)' failed

I have no idea what package I'm missing. I'm assuming that is the issue.

I did have Flash working, but I had to reinstall Ubuntu 12.04, and now this is my issue. I know Flash will work with FireFox on 12.04, but I have no clue why it's not now.

[Lightning Dragon]

Hello,

Go to your distro's software center and search up "flash" or "adobe flash". If you see them, install them and restart Firefox and see if that works.

[sparek-3]

The flash plugin is installed. Any other suggestions?

[sparek-3]

Apparently the issue was bad permissions on some shared libraries. In my case the specific library was:

/lib/i386-linux-gnu/librtmp.so.0

Should be set to 644.

[dirkd]

I had issues with the same library. After updating from 10.04 to 12.04 LTS two problems were encountered:
* flash didn't work with firefox anymore,
* virtualbox refused to start.

Both problems were resolved by copying /usr/lib/i486-linux-gnu/librtmp.so.0 to
* /usr/lib/firefox
* /usr/lib/virtualbox

I didn't have to change permissions.

Maybe I could have just moved it to /usr/lib/i386-linux-gnu, but I didn't experiment with that.