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Bug#550877: systemsettings: Changing "Default Window Manager" restarts X unexpectedly (under LTSP)



severity 550877 normal
tags 550877 upstream
thanks

Hello,

On antradienis 13 Spalis 2009 21:43:59 David Steiner wrote:
> Package: systemsettings
> Version: 4:4.3.2-1
> Severity: critical
> Justification: causes serious data loss
> 
> In systemsettings -> Default Applications -> Window Manager; i selected
>  "use a different window manager", namely: Openbox. Before it was at "use
>  the default KDE window manager (KWin)". Then a window came up, notifying
>  me, that the new window manager will be started, so I clicked ok. It's
>  funny that I was already in OpenBox, and so I thought nothing would
>  happen.

This is the most funny part. It gave you a fat warning about a new window 
manager, you ignored it and now you complain with severity serious?

>  However after clicking ok, the X11 Session closed, and I was
>  greeted with the LDM Login manager (used in LTSP), while potentially
>  loosing all unsaved documents..

Many things may happen when messing with important settings esp. after 
warnings. A clear user would at least save documents seeing a word "start" 
about the thing it has no clue about.

> I don't use KDE4, but I installed kdebase-workspace, so that Kded wouldn't
>  spam my terminal window full of messages. I have Xorg running on a thin
>  client via the standard Linux Terminal Server Project, and it has it's own
>  login manager (LDM).

>  systemsettings needs to: - recognize that KDE isn't
>  the window manager in use (why was it selected the first time i launched
>  systemsettings?)

systemsettings is a KDE configuration app. It does not need to support all 
possible configurations on the earth nor this is its purpose. Killing window 
manager under KDE would not kill the whole session which is obviously not the 
case under Openbox. Too bad.

>  - a clearer warning should be issued to the user, that he
>  should save his documents before X11 restarts

Maybe, but this is hardly a request of serious severity. It is normal at best.

> Another potential issue is that when I select "use the default KDE window
>  manager (KWin)", the same thing happens as (hopefully well) described
>  above. Yet, OpenBox starts, since LDM is the login manager and not KDM.

Again, why are messing with KDE systemsettings if you are not using KDE? Sure, 
that module could refuse changing settings under non-KDE sessions, hence 
normal severity. However, this problem is mainly your own fault. You got what 
you wanted and frankly, I still don't understand what you intended to achieve 
changing that setting.

-- 
Modestas Vainius <modestas@vainius.eu>

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