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Thread: Lost Window Control

  1. #1
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    Red face Lost Window Control

    I recently upgraded to 12.04 and seem to have lost my window control. By this I mean that every window I open no longer has a title bar. Without the title bar, I also have no maximize, minimize, close buttons. I also have no Window Selector in my bottom panel although I have added it many times.

    I'm getting this error every now and then "Your window manager does not support whatever, or you are not running a window manager."

    I'm logging in as Gnome, not Unity.
    (see attached screenshot)

    This seems to be a problem with the window manager. Can anyone point me in the right direction?
    Attached Images Attached Images
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  2. #2
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    Re: Lost Window Control

    Looks like your graphics card doesn't support whatever window manager is running (compiz or mutter). Try Ubuntu(no effects) from the login screen.

    PS: ctrl+alt+del should bring up the logout option.

  3. #3
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    Re: Lost Window Control

    Ah, forgot to mention that I am already running Gnome (no effects).
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  4. #4
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    Re: Lost Window Control

    Try bringing up a terminal window with ctrl-alt-t. If it pops up, run the following to verify which window manager is running:

    Code:
    ps -ef | grep -e metacity -e compiz
    If it is compiz, run 'metacity --replace'.

    PS: Metacity is the window manager of Gnome Classic.

  5. #5
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    Re: Lost Window Control

    Quote Originally Posted by mikewhatever View Post
    Try bringing up a terminal window with ctrl-alt-t. If it pops up, run the following to verify which window manager is running:

    Code:
    ps -ef | grep -e metacity -e compiz
    If it is compiz, run 'metacity --replace'.

    PS: Metacity is the window manager of Gnome Classic.
    Yes, that did the trick, thank you. Here's my output:

    Code:
    andrew@vostro:~$ ps -ef | grep -e metacity -e compiz
    andrew    2979  2561  0 16:54 pts/0    00:00:00 grep --color=auto -e metacity -e compiz
    andrew@vostro:~$ metacity --replace
    Window manager warning: "" found in configuration database is not a valid value for keybinding "toggle_fullscreen"
    Window manager warning: "" found in configuration database is not a valid value for keybinding "run_command_screenshot"
    I'm not sure what went wrong there... but I now have my window functionality back. Cheers
    There are 10 kinds of people in this world: those who understand binary and those who do not.
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  6. #6
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    Re: Lost Window Control

    ODD! The output shows that you were running neither compiz not metacity.

  7. #7
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    Re: Lost Window Control

    Quote Originally Posted by mikewhatever View Post
    ODD! The output shows that you were running neither compiz not metacity.
    It is odd... and actually that hasn't really solved my problem. It has given me back full functionality, but only for the session. Once I log out and log in again, I am back to square one. Of course, running metacity --replace solves the problem again but only temporarily.

    I'm also getting this output:
    Code:
    andrew@vostro:~$ update-alternatives --get-selections | grep x-window-manager
    x-window-manager               auto     /usr/bin/metacity
    andrew@vostro:~$ update-alternatives --get-selections | grep x-session-manager
    x-session-manager              auto     /usr/bin/gnome-session

    Shall I configure the command to run on startup or is there something else I must do?
    Last edited by tango_ninja; June 13th, 2012 at 11:20 PM. Reason: additional info
    There are 10 kinds of people in this world: those who understand binary and those who do not.
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  8. #8
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    Re: Lost Window Control

    Yea, whatever window manager is used, it either doesn't start or crashes at login.
    How about the output of echo $DESKTOP_SESSION?

  9. #9
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    Re: Lost Window Control

    Quote Originally Posted by mikewhatever View Post
    Yea, whatever window manager is used, it either doesn't start or crashes at login.
    How about the output of echo $DESKTOP_SESSION?
    Code:
    andrew@vostro:~$ echo $DESKTOP_SESSION
    gnome-fallback
    There are 10 kinds of people in this world: those who understand binary and those who do not.
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  10. #10
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    Re: Lost Window Control

    Not sure why it doesn't work. Looks like something is wrong with the session or with metacity.

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