[clue-tech] Managed to "pooch" my display

[Brian Gibson]

Try

kwin --replace &
killall compiz compiz.real

Found here: http://ubuntuforums.org/showthread.php?t=485172

Using search terms: kde disable compiz




________________________________
From: Aaron Cantrell <entplex at gmail.com>
To: CLUE technical discussion <clue-tech at cluedenver.org>
Sent: Wednesday, September 16, 2009 11:04:05 PM
Subject: Re: [clue-tech] Managed to "pooch" my display

A few brief remarks on trouble shooting, but by no means a solution:

	* I have run into a similar issue with ubuntu in the past and it was basically a matter of getting copiz disabled so that my x-session would start porperly upon login.  Try to search around a bit more online about disabling compiz from the term, sorry I can't be of much help on the how-to of this since I haven't used redhat in a while, let alone with compiz installed using KDE.
	* Another step to be sure it is user specific would be to create a new user from the terminal, and log in as them.  this would give you a bit more insight into if you need to look in ~/ or /etc config wise depending on what the exact issue is.Hope this brief bit of info might help you along in the proper path, but like I said it has been a while since I have used redhat and used KDE.

-Aaron



On Thu, Sep 17, 2009 at 12:33 AM, <foo7775 at comcast.net> wrote:

Well, when I made the switch from WinDoze, I knew that it was just a matter of time before I had to write this post...  A bit of background:
> 
>My machine is an ordinary 2.8 GHz P-4 Vaio laptop, pretty much stock except that I've bumped up the RAM to 1.5 Gb.  Video is provided via an ATI Radeon chipset.  I installed Fedora 10, then not too long ago, allowed it to upgrade to v. 11.  All has worked well for a while, RedHat is *MUCH* improved from the last time I tried to make the switch (back in the RH3/RH4 time-frame).  I started by using Gnome, used that for maybe 5 or 6 weeks, then switched to KDE so that I could make up my mind which I liked best.
> 
>Last night my system booted up with a gray & white checkerboard background, rather than the image that I'd previously set.  Because of that, I was looking for the applet that allows the user to set the resolution & desktop wallpaper, & in the process of doing so, I decided to enable the "desktop cube" that shows all open windows on a cube.  Shortly thereafter, I found the applet that allows you to switch between KDE & compiz.  Figured I'd give that a shot (just to check it out) & promptly inflicted upon myself the dreaded "compiz white screen".
> 
>For those unfamiliar, this allows you to do anything you want at a command prompt, but when you try to boot into graphical mode as the afflicted user, you are greeted with a plain white window with a mouse cursor & nothing else.  I've switched to alternate desktops & logged into the cmd-line environment in an effort to undo what I've done, but so far, the bullet is still in my foot.  ;~)
> 
>I haven't really made any changes since then, I've found a few pages that appear to describe this issue, but either they don't present solutions, or the solutions that they offer haven't resolved the issue for me.  (There have also been a couple that are just too low-level -IOW, close to the hardware- for me to interpret properly.)
> 
>I'm actually a bit glad for this, as it presents an excellent learning opportunity for me.  I've never been too knowledgeable about X, it's always seemed a bit baroque, with lots of interlocking pieces - an impression which has been reinforced as I've tried to diagnose this issue.  I've tried checking man pages for X, X11 & Xorg, and worked my way over the xinitrc, Xclients, & startkde scripts, but if the answer was there, I just couldn't see it.  I also found a page which suggested that someone affected by this should remove the ~/.kde/env/kdewm.sh file, so I renamed mine (just in case), but no luck.  I also edited the KDEWM line in the file to point to kwin, but that made no difference either.
> 
>Finally, I've looked through the compiz files in my home directory (since I'm thinking that it's likely to be profile-specific), but haven't found anything there.  All that I really want to do is to get back to KDE, or in other words, undo (using the cmd line) what I accidentally did to myself with the GUI.
> 
>Any troubleshooting suggestions (or explanatory theses on how X works) gratefully received.
> 
>Thanks all,
> 
>T.
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