On 16 May 2013 19:25, Linux-Fan <ma_sys...@web.de> wrote:
> On 05/16/2013 08:09 PM, Sharon Kimble wrote:
> > On 16 May 2013 17:04, Linux-Fan <ma_sys...@web.de> wrote:
> >>> B - Periodically, when logging back into fluxbox from another DE I get
> >> this
> >>> error message showing in the logs 'BScreen::BScreen: an error occured
> >> while
> >>> querying the X server.
> >>> another window manager already running on display:0
> >>> Error: Couldn't find screens to manage.
> >>> Make sure you don't have another window manager running.'
> >>> I'm not aware of another window manager still running, but how do I
> kill
> >> it
> >>> if it is please?
> >>
> >> If you have htop installed you could use it to interactively find out
> >> which processes are running on a virtual console. If you do not have
> >> htop, you might also try pstree and kill (-s TERM) processes still
> >> running below your login manager (if any).
> >>
> >
> > I've installed 'htop' and am having a play with it. 'Pstree' seems to be
> > showing everything in alpha order, how to get it showing what is below
> > my log on manager, which is 'lightdm'?
>
> It should actually output a tree which (on my system, lightdm will of
> course be different) ends with
>
> ~$ pstree | tail -n 10
> |-udevd---2*[udevd]
> |-xdm-+-Xorg
> | `-xdm---ck-launch-sessi-+-fluxbox-+-icedove-bin-...
> | | |-java---17*[{java}]
> | | |-xcompmgr
> | | |-xscreensaver
> | | `-xterm---bash-+-pstree
> | | `-tail
> | `-ssh-agent
> `-z_space_dapp
>
> With lightdm I guess there should be some sort of "lightdm"-subtree
> (instead of xdm on my system). You could look for its subprocesses and
> terminate those which could be a window manager left from your DE.
> However, I have also seen processes which no longer stick below the
> correct part of the tree but instead go directly below init after their
> parent was terminated. Therefore you might also try to look at pstree
> (or htop) while in your DE to find out about the window manager and
> check the whole tree for that process afterwards.
>
This is my pstree http://dpaste.com/1168992/ and i close all wm programmes
under lightdm, but its still not allowing me to log back into fluxbox.
>
> Htop has a similar view activated by pressing F5 but you can
> additionally browse it and check how much of your CPU the process occupies.
>
> This is really bugging me, and I may have to write a script to kill
everything before I log into fluxbox.
Thanks
Sharon.
--
A taste of linux = http://www.sharons.org.uk/index.html
efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
Debian Wheezy, Fluxbox 1.3.5, LibreOffice 4.0.3.3,
Registered Linux user 334501
