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Thread: Network Manager Disabled

  1. #11
    Join Date
    May 2010
    Beans
    1

    Re: Network Manager Disabled

    The same thing happened for me on an HP 6930p laptop with kubuntu 10.04.

    The settings got switched to "false" during a sleep / hibernation mode.

    I can't find this in the bug tracking system, but I'm not familiar with submitting bugs to ubuntu. Has anyone submitted it yet?

    elivs

  2. #12
    Join Date
    Feb 2008
    Location
    Planet earth, for now.
    Beans
    Hidden!
    Distro
    Xubuntu

    Re: Network Manager Disabled

    Are these instructions for 10.04? Using 8.04 and don't have any of these files to check or change.

    Should I create them and add the changes?

  3. #13
    Join Date
    Jun 2006
    Location
    USA
    Beans
    16
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Network Manager Disabled

    Bump. Similar issue on Dell E6500 laptop. In the NetworkManager.state file WirelessEnabled=false happens as soon as I do service network-manager start.

  4. #14
    Join Date
    May 2007
    Beans
    2

    Re: Network Manager Disabled

    Thanks a lot chaosgrimm.
    After going back from a sleeping session on my Dell Latitude E4200, the Knetworkmanager said: "unmanaged". Both files:

    /etc/NetworkManager/nm-system-settings.conf
    /var/lib/NetworkManager/NetworkManager.state


    had turned to "false" on

    [ifupdown]
    managed=false


    [main]
    NetworkingEnabled=false


    Again thanks a lot chaosgrimm. You've saved my day

  5. #15
    Join Date
    Apr 2006
    Beans
    37

    Re: Network Manager Disabled

    Here is my fix (this bug is reported in launchpad but it's marked low priority)
    in directory /etc/pm/sleep.d as root (or with sudo)
    create a file called 11_clearNetwork

    Code:
    #!/bin/bash
    case "$1" in
        hibernate|suspend)
            #ACTION BEFORE SUSPEND/HIBERNATE
    	rm /var/run/network/ifstate
    	logger "deleted ifstate when suspending or hibernating"
            ;;
        thaw|resume)
            #ACTION AFTER RESUME
    	rm /var/run/network/ifstate
            service network-manager stop
     	service network-manager start		
     	logger "deleted ifstate and restarted network manager"
            ;;
        *)
            ;;
    esac
    exit $?

  6. #16
    Join Date
    Jul 2010
    Location
    Ohio
    Beans
    1
    Distro
    Kubuntu 10.04 Lucid Lynx

    Re: Network Manager Disabled

    Quote Originally Posted by chaosgrimm View Post
    If the network manager isn't crashing check these, should be set as:

    /etc/NetworkManager/nm-system-settings.conf

    [main]
    plugins=ifupdown,keyfile

    [ifupdown]
    managed=true

    -------
    and

    /var/lib/NetworkManager/NetworkManager.state

    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    Thanks for this very helpful info,but I can't seen to edit the files you have listed. what commands does a newbee like me need to know to correct these in bash and get things working again. Thanks for the help in advance.

  7. #17
    Join Date
    Sep 2009
    Location
    surrey uk
    Beans
    2,057
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Network Manager Disabled

    hi open termial type this in
    Code:
    gedit /etc/NetworkManager/nm-system-settings.conf
    DUAL BOOT XP & Natty, Trying LFS

  8. #18
    Join Date
    Jul 2010
    Beans
    1

    Re: Network Manager Disabled

    Same problem on two different laptops (both Dell). This bug should be marked very high priority!

  9. #19
    Join Date
    Nov 2006
    Location
    Chennai
    Beans
    19
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Network Manager Disabled

    I don't know why Ubuntu guys have marked it low. This one is really serious! I became mad when I couldn't connect to Internet. This what makes Windows and Mac prevail over Ubuntu

  10. #20
    Join Date
    Jun 2008
    Beans
    44

    Re: Network Manager Disabled

    Quote Originally Posted by mindaslab View Post
    I don't know why Ubuntu guys have marked it low. This one is really serious! I became mad when I couldn't connect to Internet. This what makes Windows and Mac prevail over Ubuntu
    Totally agree. There's really no excuse for this level of utter incompetence.

    1. Critical problem, occurred in multiple versions of Ubuntu and Kubuntu on multiple laptops.
    2. Shows how ridiculously buggy things are right under the surface. It took a while to rear its ugly head, but once it did, the system was toast. So much for Linux "system security" if users have to get rid of the damn thing to use their computer again.
    3. "Low priority" status on something as critical as not being able to connect to the internet is easily a display of incompetence.

    I'm using Vista now. I couldn't even connect to the internet in linux to get on these forums because of this insanely critical "low priority" issue. Vista is slow, buggy, requires antivirus software, costs money, and countless other annoyances, but never a lick of problems as critical as this and many other critical "system nukes" that unfortunately comprise the mine-field of the "desktop Linux experience." There's a reason many people aren't enthusiastic about using linux -- you have to be a terminal wizard to painstakingly work around all the critical glitches. I don't want to believe that in windows this never happens because the code is particularly well written, but having the option to click on the network manager and "Diagnose and repair" is critical. Instead of screwing around with making graphics pretty and cutting "boot time," make the dang thing stable and error resilient. Even if it gets less than half of the errors of a Windows machine, Windows can fix them all somewhat easily or intuitively, and there's real recovery modes. There's no excuse for this.

    The commandline tools are ridiculously fragmented, too. There's no one networking commandline. I screwed around with "ifconfig" for hours (and "iwconfig") but didn't know there was a (ridiculous) "ifup" program too, along with countless others which, quite frankly, should obviously be merged into a single intuitive program and then given a flippin' GUI.
    Last edited by LifeTheHound; July 23rd, 2010 at 11:11 PM.

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