Re: sux: "cannot open display: :0".

[Camaleón <noelamac@gmail.com>]

On Tue, 28 Aug 2012 18:46:30 +0700, Sthu Deus wrote:

> On wheezy, after upgrade of:
> 
> kmod:amd64 8-2 -> 9-1
> libgl1-mesa-dri:amd64 8.0.4-1 -> 8.0.4-2 
> libgl1-mesa-dri:i386 8.0.4-1 -> 8.0.4-2 
> libgl1-mesa-glx:amd64 8.0.4-1 -> 8.0.4-2 
> libgl1-mesa-glx:i386 8.0.4-1 -> 8.0.4-2 
> libglapi-mesa:amd64 8.0.4-1 -> 8.0.4-2
> libglapi-mesa:i386 8.0.4-1 -> 8.0.4-2 
> libglu1-mesa:amd64 8.0.4-1 -> 8.0.4-2 
> libglu1-mesa:i386 8.0.4-1 -> 8.0.4-2
> libkmod2:amd64 8-2 -> 9-1
> libspectre1:amd64 0.2.6-2 -> 0.2.7-2
> module-init-tools:amd64 8-2 -> 9-1
> 
> I can not run several X app.s from sux-ed user:
>
> $ chromium
> No protocol specified
> (chromium:N): Gtk-WARNING **: cannot open display: :0

(...)

This can sound a bit odd but have you tried with a system restart?

Greetings,

-- 
Camaleón