[FreeNX-kNX] Black Screen with Mouse Cursor After Successful Auth

[chris at ccburton.com]

freenx-knx-bounces at kde.org wrote on 03/01/2013 05:32:08:

> Hi All,
> 
> My server crashed over the weekend, and I had to clean up the mess 
> left behind by Xorg and X Server.

And thereby hangs a tale . . . 

> Needless to say, I finally got X  working again, but now, I'm
> unable to login via freenx using my typical user account.

Hmmm. Just that account. What about other accounts over FreeNX ???

Can you log in locally with that account ??

> When I do login, the authentication is 

Right. So you can actually log in . . . .

> successful, and I'm just left with a black screen with a mouse 
> cursor.  I know X is running, as the process ID shows up.

. . . but your old X session doesn't start properly anymore.

> So, to start, I deleted all gnome cache, deleted all sessions,
> restarted the nxserver and freenx-server service, and deleted
> stuff in the /tmp/user-orbit folder.  None of that helped.
> What's weird is that I created a new user, added the user to the
> allowed SSH list, and tried connecting using the same settings.
> With the new user, I can get in and see my gnome desktop.


so . . .  actually the issue is . . 

you have an old account which "now won't work" with FreeNX
        (i.e. X (nxagent) is starting but gnome isn't)
but
a new one does work
so
that means FreeNX is working just fine.

so . . .so . . .
What about this old account ???


***
Does it work OK from a local console login
        (i.e gnome starts  . . .it is just broken over NX only)
or
does it not work locally either
        (i.e. the account config has been broken)
***

also you can try  . . .

Temporarily
set the session in nxclient to just
        run xterm
i.e.
in nxclient
        <configure>(button)<general>(tab)<desktop>(setting)
        set to Unix Custom (drop downs)
        <Settings>(button)<Application>(setting)
        choose "Run the following command" 
and enter
                 xterm
in the box.


You should get an xterm window when you connect,
         (if it's just gnomish or startx issue)

Also, in your connected xterm window .  . .
try
starting your window manager at the command line e.g enter:-

                metacity &

and
see if you get a movable window around your xterm.

You could also try starting gnome at the command line.


>  I'm running Ubuntu 10.04.  I've 
> looked at countless forum posts where others have had the same 
> problem and tried everything.  Nothing has fixed it for the main 
> user account.  I have logging enabled in the nxserver, and no errors
> are reported in the nxserver.log or in the session cache files 
themselves.  
> 
> Can anyone suggest anything else I can try or where to start?

Well there are any number of things see my Q above

BUT
the quick fix will be to just set up a new account for yourself.


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