Ubuntu :: Compiz No Longer Runs?
Jul 5, 2010
I have been running Lucid since it was in beta, and have never had any problems with Compiz. Now, all of a sudden it will not launch. If I try to run it from a terminal I get the following:
Code:
compiz (core) - Fatal: Software rendering detected.
compiz (core) - Error: Failed to manage screen: 0
compiz (core) - Fatal: No manageable screens found on display :0.0
Launching fallback window manager I am running an Intel 82915G/GV/910GL built in graphics controller, and when I run the compiz-check script everything checks out fine.
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Feb 24, 2010
A botched ATI proprietary driver upgrade caused a cascade of problems. I've installed this driver many times before, but this time something just went wrong. I may have made a mistake. There don't seem to be many complaints about the ATI 10.2 driver so this seems likely. Anyway things were quite unstable for a while. I had problems with nautilus (lost the desktop) and segfaults from compiz. I had to reinstall a lot of stuff etc etc.
Anyway, this episode has left me with a strange lingering malaise. I can get the machine into a state where everything works perfectly - the cube is fine and quite snappy, the desktop is all there; it looks great; New driver seems to be working OK. But when I log out and log back in there are problems.
Step 1:If compiz is the window manager during login it dies killing the nautilus desktop and leaving me without a window manager running (no window decorations). This is a nasty state to be in because you can't easily get at a terminal (yeah ctl alt F1 - but how to fix the window manager from there). I've got a keyboard shortcut for metacity which lets me recover from this state. But afterwards I can't get the desktop back.
If metacity is the window manager during login - no problem. I've got a desktop. It starts up fine. Everything looks good. But I'm running metacity and I want to run compiz. So now we try to get compiz running.
Step 2: If I enter "compiz -- replace" in a terminal compiz segfaults and doesn't put metacity back leaving me without a window manager again. Just before it segfaults it complains about not finding some expected graphics files. This seems to have something to do with cube caps [Edit=Not - see later]- but I've restored defaults there so ... Fortunately ctrl C gets me out of that and back to metacity. Or I use my shortcut. But gee whiz no compiz.
OK - here is where it gets interesting. If I go to the compiz settings manager and disable the cube, then compiz --replace works just fine. So it looks like something specific to the cube. This lets me get compiz running but without the cube.
Now things get really interesting. Once compiz is running, if I open the compiz settings manager, then I can enable the cube and in fact ... it works!
To sum up, I now have to go through the following procedure every time I log in.
1. Login in with metacity as default window manager
2. Disable the cube in compiz settings manager
3. Start compiz with compiz --replace
4. Enable the cube in compiz settings manager.
After doing that everything works fine ... at least until I log out.
The fact that I can get everything to work indicates that I've got the driver installed OK and it is working. But why should I have to go through this bizarre procedure each time I log in?
Notes:
1. The problem afflicts all users - so it probably isn't a user config file issue.
2. I've reinstalled compiz and a whole lot of xwindows stuff. Didn't help.
3. I will try downgrading the video driver to the previous version as a last resort. But if the problem is something I broke while things were messed up, downgrading the driver may not fix it.
4. I'll post the crash message compiz generates in a followup (I'll have to log out and back in to generate the crash so I can copy the message)
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Jul 6, 2010
I run XBMC media center software which is built on a minimal Ubuntu install. I was running a version built on Karmic and I had the following line in my /etc/init.d/rc.local and it always ran without a hitch:
Code:
mount -t cifs -o file_mode=0777,dir_mode=0777 //192.168.1.20/disk7/xbmc_thumbs/Thumbnails /home/kevin/.xbmc/userdata/Thumbnails
Recently, I upgraded to a version built on Lucid and now that fails to create the mount on boot up. Here is the entire contents of the file:
Code:
#! /bin/sh
### BEGIN INIT INFO
# Provides: rc.local
# Required-Start: $remote_fs $syslog $all
[code]....
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May 14, 2009
I ran "yum update" and updated my new installation. Afterwards: my main application stopped running. It iis an xwindow app. I am trying to run it from a terminal on the gnome desktop. How can I back out my updates and which packages should I try to remove?
Controller screen Buffer depth 1
void PSLr: :resize (int size): 661
QPixmap: Invalid pixmap parameters
auxillary display font size: 8
[code]....
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Mar 18, 2010
I have been using some of the compiz effects now for just over a week with no problems. but yesterday they stopped working for what seems to be no reason. I have the recommended nVidia driver installed, here is my graphics card from lspci:
Code:
01:00.0 VGA compatible controller: nVidia Corporation G72 [GeForce 7300 LE] (rev a1)
I right clicked on my desktop, and went to 'Change Destop background', then visual effects. This has been set to None. I cannot change this to Normal or extra, as I get an error saying
Code:
Desktop effects could not be enabled
I have followed another thread which explained how to unistall and reinstall compiz, but it did nothing.
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May 18, 2010
I did a clean install of Ubuntu 10.04 on a Toshiba Satellite, Intel graphics card, a few days ago, and had no trouble accessing the CompizConfig Settings Manager. I changed a number of settings, and everything seemed to be working just fine. But two days ago, I noticed that the compiz effects (rotating desktop cube, minimize effect etc.) were gone; and when I now try to access the Settings Manager, I see a "Starting CompizConfig..." appear in the panel and linger for about five seconds; then it's gone. No settings manager, no error message.
The day that happened, I had (to the best of my memory) not installed any updates. I had, however, removed a bunch of applications through the Software Center. I had also launched Ubuntu Tweak and changed a couple of settings. The only option it showed, and shows, under 'Compiz Settings' was then (and still is): "Prerequisite Conditions" : "Install Advanced Desktop Effects Settings Manager". The box was checked. I have since unchecked and re-checked it, thereby uninstalling and re-installing the settings manager. But that hasn't changed anything.
[Code]...
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When I try to start compiz from bash I get the following:
Code:
When I attempt fglrxinfo:
Code:
I'm running Kubuntu, Karmic
AMD64
ATI Radion x1350
What could have happened? All I did was plug in a second monitor and restart!
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Code:
Backend : ini
Integration : true
Profile : default
Adding plugins
Initializing core options...done
Initializing move options...done
Initializing resize options...done
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[Code].....
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Code:
#!/bin/bash
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[Code].....
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Code:
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or
[code]....
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