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Thread: Wifi regularly disconnects and short battery life

  1. #11
    Join Date
    Nov 2012
    Beans
    29

    Re: Wifi regularly disconnects and short battery life

    laptop-mode-tools is the best one-stop solution for battery life. Just install it and restart, and your power usage will be significantly improved. It can also be tweaked, but the default settings are good.

    Some of the programs gbrowning mentioned are also good, but some are out of date. laptop-mode-tools should be the first thing you try these days, though some of the others may be used to supplement it.

    Also, turn off bluetooth when not it use.

  2. #12
    Join Date
    Jan 2011
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    1,151

    Re: Wifi regularly disconnects and short battery life

    Quote Originally Posted by Aaron Christianson View Post
    laptop-mode-tools is the best one-stop solution for battery life. Just install it and restart, and your power usage will be significantly improved. It can also be tweaked, but the default settings are good.

    Some of the programs gbrowning mentioned are also good, but some are out of date. laptop-mode-tools should be the first thing you try these days, though some of the others may be used to supplement it.

    Also, turn off bluetooth when not it use.
    laptop tools are not kernel drivers.
    Alienware M14X is a gaming laptop which mean it will probably have nvidia optimus.

    If he does have nvidia optimus, that suggest will not help much when there is a graphic chip draining all the power. I never understand laptop-tools. The user is usually not better than the kernel at optimizing power performance
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  3. #13
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    Nov 2012
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    12

    Re: Wifi regularly disconnects and short battery life

    Idoitprone hi,

    I've run your command and got the following

    Code:
    00:00.0 Host bridge [0600]: Intel Corporation Ivy Bridge DRAM Controller [8086:0154] (rev 09)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: agpgart-intel
    00:01.0 PCI bridge [0604]: Intel Corporation Ivy Bridge PCI Express Root Port [8086:0151] (rev 09)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
    00:02.0 VGA compatible controller [0300]: Intel Corporation Ivy Bridge Graphics Controller [8086:0166] (rev 09)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: i915
        Kernel modules: i915
    00:14.0 USB controller [0c03]: Intel Corporation Panther Point USB xHCI Host Controller [8086:1e31] (rev 04)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: xhci_hcd
    00:16.0 Communication controller [0780]: Intel Corporation Panther Point MEI Controller #1 [8086:1e3a] (rev 04)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: mei
        Kernel modules: mei
    00:1a.0 USB controller [0c03]: Intel Corporation Panther Point USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: ehci_hcd
    00:1b.0 Audio device [0403]: Intel Corporation Panther Point High Definition Audio Controller [8086:1e20] (rev 04)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd-hda-intel
    00:1c.0 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 1 [8086:1e10] (rev c4)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
    00:1c.2 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 3 [8086:1e14] (rev c4)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
    00:1c.3 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 4 [8086:1e16] (rev c4)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
    00:1d.0 USB controller [0c03]: Intel Corporation Panther Point USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: ehci_hcd
    00:1f.0 ISA bridge [0601]: Intel Corporation Panther Point LPC Controller [8086:1e57] (rev 04)
        Subsystem: Dell Device [1028:0552]
        Kernel modules: iTCO_wdt
    00:1f.2 SATA controller [0106]: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: ahci
    00:1f.3 SMBus [0c05]: Intel Corporation Panther Point SMBus Controller [8086:1e22] (rev 04)
        Subsystem: Dell Device [1028:0552]
        Kernel modules: i2c-i801
    01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:0fd1] (rev a1)
        Subsystem: Dell Device [1028:0552]
        Kernel modules: nouveau, nvidiafb
    01:00.1 Audio device [0403]: NVIDIA Corporation Device [10de:0e1b] (rev ff)
        Kernel driver in use: snd_hda_intel
    07:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: atl1c
        Kernel modules: atl1c
    08:00.0 Network controller [0280]: Atheros Communications Inc. AR9462 Wireless Network Adapter [168c:0034] (rev 01)
        Subsystem: Bigfoot Networks, Inc. Device [1a56:2003]
        Kernel driver in use: ath9k
        Kernel modules: ath9k
    09:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5116 PCI Express Card Reader [10ec:5209] (rev 01)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: rts_pstor
        Kernel modules: rts_pstor
    09:00.1 SD Host controller [0805]: Realtek Semiconductor Co., Ltd. RTS5116 PCI Express Card Reader [10ec:5209] (rev 01)
        Subsystem: Dell Device [1028:0552]
        Kernel driver in use: sdhci-pci
        Kernel modules: sdhci-pci
    So I tried to read, it I don't know if it's optimus but I surely have something from Nvidia. In the case where the battery life is shorten beacause of the Nvidia optimus is there a possible solution ? And I don't understand because under Windows 7 I still have at least 6 hours when the battery is full and with Ubuntu only three.

    Aaron Christianson hi,

    thank you for your answer and I will certainly test your laptop-mode tools, but yesterday I installed something like this called Jupiter. Maybe yours will be better.

    gbrowning hi,

    Like you said it seems "a bit" complicated for a new on Linux, but i will try to figure it out. Maybe something will help me.

  4. #14
    Join Date
    Jan 2011
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    1,151

    Re: Wifi regularly disconnects and short battery life

    Code:
    sudo modprobe -r nvidiafb
    sudo add-apt-repository ppa:bumblebee/stable
    sudo apt-get update
    sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic bbswitch
    Code:
    sudo bash -c 'echo "options bbswitch load_state=0" >> /etc/modprobe.d/bbswitch.conf'
    reboot


    https://wiki.ubuntu.com/Bumblebee
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  5. #15
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    Nov 2012
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    12

    Re: Wifi regularly disconnects and short battery life

    So i think everything went well until the 4th command line, it says it can't find the package bbswitch :

    Code:
    denis@denis-M14xR2:~$ sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic bbswitch
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    E: Unable to locate package bbswitch
    Edit :
    Maybe I can try with vga_switcheroo ?

  6. #16
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    Jan 2011
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    1,151

    Re: Wifi regularly disconnects and short battery life

    Quote Originally Posted by VulpesLagopus View Post
    So i think everything went well until the 4th command line, it says it can't find the package bbswitch :

    Code:
    denis@denis-M14xR2:~$ sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic bbswitch
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    E: Unable to locate package bbswitch
    Edit :
    Maybe I can try with vga_switcheroo ?
    Code:
    sudo add-apt-repository ppa:bumblebee/stable
    
    sudo apt-get update
    ?
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  7. #17
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    Nov 2012
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    12

    Re: Wifi regularly disconnects and short battery life

    Code:
    sudo apt-get update
    gives me this :

    Code:
    denis@denis-M14xR2:~$ sudo apt-get update
    [sudo] password for denis: 
    Ign http://security.ubuntu.com precise-security InRelease
    Ign http://ppa.launchpad.net precise InRelease                      
    Ign http://ppa.launchpad.net precise InRelease                       
    Ign http://ppa.launchpad.net precise InRelease                       
    Ign http://extras.ubuntu.com precise InRelease                       
    Hit http://security.ubuntu.com precise-security Release.gpg          
    Hit http://ppa.launchpad.net precise Release.gpg                     
    Hit http://ppa.launchpad.net precise Release.gpg                                    
    Hit http://extras.ubuntu.com precise Release.gpg                                    
    Hit http://security.ubuntu.com precise-security Release                             
    Hit http://ppa.launchpad.net precise Release.gpg                                    
    Hit http://extras.ubuntu.com precise Release                                        
    Ign http://ch.archive.ubuntu.com precise InRelease                    
    Hit http://ppa.launchpad.net precise Release                          
    Hit http://security.ubuntu.com precise-security/main Sources                        
    Hit http://extras.ubuntu.com precise/main Sources                                   
    Hit http://ppa.launchpad.net precise Release                         
    Hit http://security.ubuntu.com precise-security/restricted Sources                  
    Hit http://security.ubuntu.com precise-security/universe Sources                    
    Hit http://security.ubuntu.com precise-security/multiverse Sources                  
    Hit http://security.ubuntu.com precise-security/main i386 Packages                  
    Hit http://extras.ubuntu.com precise/main i386 Packages                             
    Ign http://extras.ubuntu.com precise/main TranslationIndex                          
    Hit http://security.ubuntu.com precise-security/restricted i386 Packages            
    Ign http://ch.archive.ubuntu.com precise-updates InRelease                          
    Hit http://ppa.launchpad.net precise Release                                        
    Hit http://security.ubuntu.com precise-security/universe i386 Packages              
    Hit http://security.ubuntu.com precise-security/multiverse i386 Packages            
    Hit http://security.ubuntu.com precise-security/main TranslationIndex               
    Hit http://security.ubuntu.com precise-security/multiverse TranslationIndex         
    Hit http://security.ubuntu.com precise-security/restricted TranslationIndex         
    Hit http://security.ubuntu.com precise-security/universe TranslationIndex           
    Hit http://ppa.launchpad.net precise/main Sources                                   
    Hit http://ppa.launchpad.net precise/main i386 Packages                             
    Ign http://ppa.launchpad.net precise/main TranslationIndex                          
    Ign http://ch.archive.ubuntu.com precise-backports InRelease                        
    Hit http://ch.archive.ubuntu.com precise Release.gpg                 
    Hit http://security.ubuntu.com precise-security/main Translation-en                 
    Hit http://security.ubuntu.com precise-security/multiverse Translation-en           
    Hit http://ppa.launchpad.net precise/main Sources                                   
    Hit http://ppa.launchpad.net precise/main i386 Packages                             
    Ign http://ppa.launchpad.net precise/main TranslationIndex           
    Hit http://ch.archive.ubuntu.com precise-updates Release.gpg         
    Hit http://security.ubuntu.com precise-security/restricted Translation-en           
    Hit http://ch.archive.ubuntu.com precise-backports Release.gpg                      
    Hit http://ppa.launchpad.net precise/main Sources                                   
    Hit http://ppa.launchpad.net precise/main i386 Packages                             
    Ign http://ppa.launchpad.net precise/main TranslationIndex                          
    Hit http://ch.archive.ubuntu.com precise Release                                    
    Hit http://security.ubuntu.com precise-security/universe Translation-en             
    Hit http://ch.archive.ubuntu.com precise-updates Release                            
    Hit http://ch.archive.ubuntu.com precise-backports Release                          
    Hit http://ch.archive.ubuntu.com precise/main Sources                               
    Hit http://ch.archive.ubuntu.com precise/restricted Sources          
    Hit http://ch.archive.ubuntu.com precise/universe Sources            
    Hit http://ch.archive.ubuntu.com precise/multiverse Sources          
    Hit http://ch.archive.ubuntu.com precise/main i386 Packages          
    Hit http://ch.archive.ubuntu.com precise/restricted i386 Packages    
    Hit http://ch.archive.ubuntu.com precise/universe i386 Packages      
    Hit http://ch.archive.ubuntu.com precise/multiverse i386 Packages    
    Hit http://ch.archive.ubuntu.com precise/main TranslationIndex       
    Hit http://ch.archive.ubuntu.com precise/multiverse TranslationIndex 
    Hit http://ch.archive.ubuntu.com precise/restricted TranslationIndex 
    Hit http://ch.archive.ubuntu.com precise/universe TranslationIndex   
    Hit http://ch.archive.ubuntu.com precise-updates/main Sources        
    Hit http://ch.archive.ubuntu.com precise-updates/restricted Sources  
    Hit http://ch.archive.ubuntu.com precise-updates/universe Sources    
    Ign http://extras.ubuntu.com precise/main Translation-en             
    Hit http://ch.archive.ubuntu.com precise-updates/multiverse Sources  
    Hit http://ch.archive.ubuntu.com precise-updates/main i386 Packages
    Hit http://ch.archive.ubuntu.com precise-updates/restricted i386 Packages
    Hit http://ch.archive.ubuntu.com precise-updates/universe i386 Packages
    Hit http://ch.archive.ubuntu.com precise-updates/multiverse i386 Packages
    Ign http://extras.ubuntu.com precise/main Translation-fr             
    Hit http://ch.archive.ubuntu.com precise-updates/main TranslationIndex
    Hit http://ch.archive.ubuntu.com precise-updates/multiverse TranslationIndex
    Hit http://ch.archive.ubuntu.com precise-updates/restricted TranslationIndex
    Hit http://ch.archive.ubuntu.com precise-updates/universe TranslationIndex
    Hit http://ch.archive.ubuntu.com precise-backports/main Sources
    Hit http://ch.archive.ubuntu.com precise-backports/restricted Sources
    Hit http://ch.archive.ubuntu.com precise-backports/universe Sources
    Hit http://ch.archive.ubuntu.com precise-backports/multiverse Sources
    Hit http://ch.archive.ubuntu.com precise-backports/main i386 Packages
    Hit http://ch.archive.ubuntu.com precise-backports/restricted i386 Packages
    Hit http://ch.archive.ubuntu.com precise-backports/universe i386 Packages
    Hit http://ch.archive.ubuntu.com precise-backports/multiverse i386 Packages
    Hit http://ch.archive.ubuntu.com precise-backports/main TranslationIndex
    Hit http://ch.archive.ubuntu.com precise-backports/multiverse TranslationIndex
    Hit http://ch.archive.ubuntu.com precise-backports/restricted TranslationIndex
    Hit http://ch.archive.ubuntu.com precise-backports/universe TranslationIndex
    Hit http://ch.archive.ubuntu.com precise/main Translation-en
    Hit http://ch.archive.ubuntu.com precise/main Translation-fr
    Hit http://ch.archive.ubuntu.com precise/multiverse Translation-en
    Hit http://ch.archive.ubuntu.com precise/multiverse Translation-fr
    Hit http://ch.archive.ubuntu.com precise/restricted Translation-en
    Hit http://ch.archive.ubuntu.com precise/restricted Translation-fr
    Hit http://ch.archive.ubuntu.com precise/universe Translation-en
    Hit http://ch.archive.ubuntu.com precise/universe Translation-fr
    Hit http://ch.archive.ubuntu.com precise-updates/main Translation-en
    Hit http://ch.archive.ubuntu.com precise-updates/main Translation-fr
    Hit http://ch.archive.ubuntu.com precise-updates/multiverse Translation-en
    Hit http://ch.archive.ubuntu.com precise-updates/multiverse Translation-fr
    Hit http://ch.archive.ubuntu.com precise-updates/restricted Translation-en
    Hit http://ch.archive.ubuntu.com precise-updates/restricted Translation-fr
    Hit http://ch.archive.ubuntu.com precise-updates/universe Translation-en
    Hit http://ch.archive.ubuntu.com precise-updates/universe Translation-fr
    Hit http://ch.archive.ubuntu.com precise-backports/main Translation-en
    Hit http://ch.archive.ubuntu.com precise-backports/multiverse Translation-en
    Hit http://ch.archive.ubuntu.com precise-backports/restricted Translation-en
    Hit http://ch.archive.ubuntu.com precise-backports/universe Translation-en
    Ign http://ppa.launchpad.net precise/main Translation-en
    Ign http://ppa.launchpad.net precise/main Translation-fr
    Ign http://ppa.launchpad.net precise/main Translation-en
    Ign http://ppa.launchpad.net precise/main Translation-fr
    Ign http://ppa.launchpad.net precise/main Translation-en
    Ign http://ppa.launchpad.net precise/main Translation-fr
    Reading package lists... Done

  8. #18
    Join Date
    Jan 2011
    Beans
    1,151

    Re: Wifi regularly disconnects and short battery life

    are you sure you cannnot install bbswitch?

    sudo apt-get install bbswitch?

    ok i guess i will have to install it manuallly if that not happen

    install the other components first

    Code:
    sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic
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  9. #19
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    Jan 2011
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    Re: Wifi regularly disconnects and short battery life

    Code:
    sudo apt-get install build-essential checkinstall
    
    sudo apt-get install cvs subversion git-core mercurial dkms
    
    cd
    
    git clone git://github.com/Bumblebee-Project/bbswitch.git bbswitch
    
    cd bbswitch
    
    sudo make -f Makefile.dkms
    dont forget to run this command

    Code:
    sudo bash -c 'echo "options bbswitch load_state=0" >> /etc/modprobe.d/bbswitch.conf'
    before you reboot
    Last edited by idoitprone; November 19th, 2012 at 12:05 PM.
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  10. #20
    Join Date
    Nov 2012
    Beans
    12

    Re: Wifi regularly disconnects and short battery life

    I ran all the last commands you gave me. Everything seems fine :

    Code:
    denis@denis-M14xR2:~$ sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    The following package was automatically installed and is no longer required:
      libnl2
    Use 'apt-get autoremove' to remove them.
    The following extra packages will be installed:
      bbswitch-dkms dkms libturbojpeg linux-headers-3.2.0-33-generic nvidia-current
      nvidia-settings screen-resolution-extra virtualgl virtualgl-libs
    The following NEW packages will be installed:
      bbswitch-dkms bumblebee bumblebee-nvidia dkms libturbojpeg
      linux-headers-3.2.0-33-generic linux-headers-generic nvidia-current
      nvidia-settings screen-resolution-extra virtualgl virtualgl-libs
    0 upgraded, 12 newly installed, 0 to remove and 3 not upgraded.
    Need to get 36.7 MB of archives.
    After this operation, 115 MB of additional disk space will be used.
    Do you want to continue [Y/n]? y
    Get:1 http://ch.archive.ubuntu.com/ubuntu/ precise-updates/universe libturbojpeg i386 1.1.90+svn733-0ubuntu4.1 [127 kB]
    Get:2 http://ppa.launchpad.net/bumblebee/stable/ubuntu/ precise/main virtualgl-libs i386 2.3.2-1~preciseppa1 [198 kB]
    Get:3 http://ch.archive.ubuntu.com/ubuntu/ precise/main dkms all 2.2.0.3-1ubuntu3 [73.1 kB]
    Get:4 http://ch.archive.ubuntu.com/ubuntu/ precise-updates/main linux-headers-3.2.0-33-generic i386 3.2.0-33.52 [975 kB]
    Get:5 http://ppa.launchpad.net/bumblebee/stable/ubuntu/ precise/main virtualgl i386 2.3.2-1~preciseppa1 [851 kB]
    Get:6 http://ppa.launchpad.net/bumblebee/stable/ubuntu/ precise/main bbswitch-dkms all 0.4.2-2~preciseppa1 [10.1 kB]
    Get:7 http://ppa.launchpad.net/bumblebee/stable/ubuntu/ precise/main bumblebee i386 3.0.1-3~preciseppa1 [52.1 kB]
    Get:8 http://ppa.launchpad.net/bumblebee/stable/ubuntu/ precise/main bumblebee-nvidia i386 3.0.1-3~preciseppa1 [3968 B]
    Get:9 http://ch.archive.ubuntu.com/ubuntu/ precise-updates/main linux-headers-generic i386 3.2.0.33.36 [2638 B]
    Get:10 http://ch.archive.ubuntu.com/ubuntu/ precise-updates/restricted nvidia-current i386 295.40-0ubuntu1.1 [33.4 MB]
    Get:11 http://ch.archive.ubuntu.com/ubuntu/ precise/main screen-resolution-extra all 0.14ubuntu2 [12.8 kB]
    Get:12 http://ch.archive.ubuntu.com/ubuntu/ precise/main nvidia-settings i386 295.33-0ubuntu1 [926 kB]
    Fetched 36.7 MB in 28s (1282 kB/s)                                                  
    perl: warning: Setting locale failed.
    perl: warning: Please check that your locale settings:
        LANGUAGE = "en",
        LC_ALL = (unset),
        LC_TIME = "fr_CH.UTF-8",
        LC_MONETARY = "fr_CH.UTF-8",
        LC_ADDRESS = "fr_CH.UTF-8",
        LC_TELEPHONE = "fr_CH.UTF-8",
        LC_NAME = "fr_CH.UTF-8",
        LC_MEASUREMENT = "fr_CH.UTF-8",
        LC_IDENTIFICATION = "fr_CH.UTF-8",
        LC_NUMERIC = "fr_CH.UTF-8",
        LC_PAPER = "fr_CH.UTF-8",
        LANG = "en_US.UTF-8"
        are supported and installed on your system.
    perl: warning: Falling back to the standard locale ("C").
    locale: Cannot set LC_ALL to default locale: No such file or directory
    Selecting previously unselected package libturbojpeg.
    (Reading database ... 204449 files and directories currently installed.)
    Unpacking libturbojpeg (from .../libturbojpeg_1.1.90+svn733-0ubuntu4.1_i386.deb) ...
    Selecting previously unselected package virtualgl-libs.
    Unpacking virtualgl-libs (from .../virtualgl-libs_2.3.2-1~preciseppa1_i386.deb) ...
    Selecting previously unselected package virtualgl.
    Unpacking virtualgl (from .../virtualgl_2.3.2-1~preciseppa1_i386.deb) ...
    Selecting previously unselected package dkms.
    Unpacking dkms (from .../dkms_2.2.0.3-1ubuntu3_all.deb) ...
    Selecting previously unselected package bbswitch-dkms.
    Unpacking bbswitch-dkms (from .../bbswitch-dkms_0.4.2-2~preciseppa1_all.deb) ...
    Selecting previously unselected package bumblebee.
    Unpacking bumblebee (from .../bumblebee_3.0.1-3~preciseppa1_i386.deb) ...
    Selecting previously unselected package linux-headers-3.2.0-33-generic.
    Unpacking linux-headers-3.2.0-33-generic (from .../linux-headers-3.2.0-33-generic_3.2.0-33.52_i386.deb) ...
    Selecting previously unselected package linux-headers-generic.
    Unpacking linux-headers-generic (from .../linux-headers-generic_3.2.0.33.36_i386.deb) ...
    Selecting previously unselected package nvidia-current.
    Unpacking nvidia-current (from .../nvidia-current_295.40-0ubuntu1.1_i386.deb) ...
    Selecting previously unselected package bumblebee-nvidia.
    Unpacking bumblebee-nvidia (from .../bumblebee-nvidia_3.0.1-3~preciseppa1_i386.deb) ...
    Selecting previously unselected package screen-resolution-extra.
    Unpacking screen-resolution-extra (from .../screen-resolution-extra_0.14ubuntu2_all.deb) ...
    Selecting previously unselected package nvidia-settings.
    Unpacking nvidia-settings (from .../nvidia-settings_295.33-0ubuntu1_i386.deb) ...
    Processing triggers for man-db ...
    locale: Cannot set LC_ALL to default locale: No such file or directory
    Processing triggers for ureadahead ...
    ureadahead will be reprofiled on next reboot
    Setting up libturbojpeg (1.1.90+svn733-0ubuntu4.1) ...
    Setting up virtualgl-libs (2.3.2-1~preciseppa1) ...
    Setting up virtualgl (2.3.2-1~preciseppa1) ...
    Setting up dkms (2.2.0.3-1ubuntu3) ...
    Setting up bbswitch-dkms (0.4.2-2~preciseppa1) ...
    Loading new bbswitch-0.4.2 DKMS files...
    First Installation: checking all kernels...
    Building only for 3.2.0-33-generic-pae
    Building initial module for 3.2.0-33-generic-pae
    Done.
    
    bbswitch:
    Running module version sanity check.
     - Original module
       - No original module exists within this kernel
     - Installation
       - Installing to /lib/modules/3.2.0-33-generic-pae/updates/dkms/
    
    depmod.......
    
    DKMS: install completed.
    Setting up bumblebee (3.0.1-3~preciseppa1) ...
    Adding members from group(s) 'adm sudo admin' to 'bumblebee':
    denis
    Adding user denis to group bumblebee
    update-initramfs: deferring update (trigger activated)
    bumblebeed start/running, process 13235
    Setting up linux-headers-3.2.0-33-generic (3.2.0-33.52) ...
    Examining /etc/kernel/header_postinst.d.
    run-parts: executing /etc/kernel/header_postinst.d/dkms 3.2.0-33-generic /boot/vmlinuz-3.2.0-33-generic
    Setting up linux-headers-generic (3.2.0.33.36) ...
    Setting up nvidia-current (295.40-0ubuntu1.1) ...
    update-alternatives: using /usr/lib/nvidia-current/ld.so.conf to provide /etc/ld.so.conf.d/i386-linux-gnu_GL.conf (i386-linux-gnu_gl_conf) in auto mode.
    update-alternatives: warning: skip creation of /usr/lib32/libOpenCL.so because associated file /usr/lib32/nvidia-current/libOpenCL.so (of link group i386-linux-gnu_gl_conf) doesn't exist.
    update-alternatives: warning: skip creation of /usr/lib32/vdpau/libvdpau_nvidia.so.1 because associated file /usr/lib32/nvidia-current/vdpau/libvdpau_nvidia.so.1 (of link group i386-linux-gnu_gl_conf) doesn't exist.
    update-alternatives: warning: skip creation of /usr/lib32/libvdpau_nvidia.so because associated file /usr/lib32/nvidia-current/vdpau/libvdpau_nvidia.so (of link group i386-linux-gnu_gl_conf) doesn't exist.
    update-alternatives: using /usr/lib/nvidia-current/alt_ld.so.conf to provide /etc/ld.so.conf.d/x86_64-linux-gnu_GL.conf (x86_64-linux-gnu_gl_conf) in auto mode.
    update-initramfs: deferring update (trigger activated)
    INFO:Enable nvidia-current
    DEBUG:Parsing /usr/share/nvidia-common/quirks/dell_latitude
    DEBUG:Parsing /usr/share/nvidia-common/quirks/lenovo_thinkpad
    DEBUG:Parsing /usr/share/nvidia-common/quirks/put_your_quirks_here
    DEBUG:Processing quirk Latitude E6530
    DEBUG:Failure to match Alienware with Dell Inc.
    DEBUG:Quirk doesn't match
    DEBUG:Processing quirk ThinkPad T420s
    DEBUG:Failure to match Alienware with LENOVO
    DEBUG:Quirk doesn't match
    Loading new nvidia-current-295.40 DKMS files...
    First Installation: checking all kernels...
    Building only for 3.2.0-33-generic-pae
    Building for architecture i686
    Building initial module for 3.2.0-33-generic-pae
    Done.
    
    nvidia_current:
    Running module version sanity check.
     - Original module
       - No original module exists within this kernel
     - Installation
       - Installing to /lib/modules/3.2.0-33-generic-pae/updates/dkms/
    
    depmod....
    
    DKMS: install completed.
    Setting up screen-resolution-extra (0.14ubuntu2) ...
    Setting up nvidia-settings (295.33-0ubuntu1) ...
    update-alternatives: using /usr/lib/nvidia-settings/ld.so.conf to provide /etc/ld.so.conf.d/nvidia_settings.conf (nvidia_settings_conf) in auto mode.
    Processing triggers for bamfdaemon ...
    Rebuilding /usr/share/applications/bamf.index...
    Setting up bumblebee-nvidia (3.0.1-3~preciseppa1) ...
    update-alternatives: using /usr/lib/i386-linux-gnu/mesa/ld.so.conf to provide /etc/ld.so.conf.d/i386-linux-gnu_GL.conf (i386-linux-gnu_gl_conf) in manual mode.
    bumblebeed stop/waiting
    bumblebeed start/running, process 15312
    Processing triggers for libc-bin ...
    ldconfig deferred processing now taking place
    Processing triggers for initramfs-tools ...
    update-initramfs: Generating /boot/initrd.img-3.2.0-33-generic-pae
    denis@denis-M14xR2:~$ sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic bbswitch
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    E: Unable to locate package bbswitch
    denis@denis-M14xR2:~$ sudo apt-get install bbswitch
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    E: Unable to locate package bbswitch
    denis@denis-M14xR2:~$ sudo apt-get install build-essential checkinstall
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    build-essential is already the newest version.
    The following package was automatically installed and is no longer required:
      libnl2
    Use 'apt-get autoremove' to remove them.
    Suggested packages:
      gettext
    The following NEW packages will be installed:
      checkinstall
    0 upgraded, 1 newly installed, 0 to remove and 3 not upgraded.
    Need to get 118 kB of archives.
    After this operation, 514 kB of additional disk space will be used.
    Do you want to continue [Y/n]? y
    Get:1 http://ch.archive.ubuntu.com/ubuntu/ precise/universe checkinstall i386 1.6.2-3ubuntu1 [118 kB]
    Fetched 118 kB in 0s (428 kB/s)  
    perl: warning: Setting locale failed.
    perl: warning: Please check that your locale settings:
        LANGUAGE = "en",
        LC_ALL = (unset),
        LC_TIME = "fr_CH.UTF-8",
        LC_MONETARY = "fr_CH.UTF-8",
        LC_ADDRESS = "fr_CH.UTF-8",
        LC_TELEPHONE = "fr_CH.UTF-8",
        LC_NAME = "fr_CH.UTF-8",
        LC_MEASUREMENT = "fr_CH.UTF-8",
        LC_IDENTIFICATION = "fr_CH.UTF-8",
        LC_NUMERIC = "fr_CH.UTF-8",
        LC_PAPER = "fr_CH.UTF-8",
        LANG = "en_US.UTF-8"
        are supported and installed on your system.
    perl: warning: Falling back to the standard locale ("C").
    locale: Cannot set LC_ALL to default locale: No such file or directory
    Selecting previously unselected package checkinstall.
    (Reading database ... 213221 files and directories currently installed.)
    Unpacking checkinstall (from .../checkinstall_1.6.2-3ubuntu1_i386.deb) ...
    Processing triggers for man-db ...
    locale: Cannot set LC_ALL to default locale: No such file or directory
    Setting up checkinstall (1.6.2-3ubuntu1) ...
    denis@denis-M14xR2:~$ sudo apt-get install cvs subversion git-core mercurial dkms
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    dkms is already the newest version.
    dkms set to manually installed.
    The following package was automatically installed and is no longer required:
      libnl2
    Use 'apt-get autoremove' to remove them.
    The following extra packages will be installed:
      git git-man libapr1 libaprutil1 libdb4.8 liberror-perl libsvn1 mercurial-common
    Suggested packages:
      mksh rcs git-daemon-run git-daemon-sysvinit git-doc git-el git-arch git-cvs
      git-svn git-email git-gui gitk gitweb qct wish vim emacs kdiff3 tkdiff meld
      xxdiff python-mysqldb python-pygments subversion-tools db4.8-util
    The following NEW packages will be installed:
      cvs git git-core git-man libapr1 libaprutil1 libdb4.8 liberror-perl libsvn1
      mercurial mercurial-common subversion
    0 upgraded, 12 newly installed, 0 to remove and 3 not upgraded.
    Need to get 13.1 MB of archives.
    After this operation, 31.6 MB of additional disk space will be used.
    Do you want to continue [Y/n]? y
    Get:1 http://ch.archive.ubuntu.com/ubuntu/ precise/main libdb4.8 i386 4.8.30-11ubuntu1 [711 kB]
    Get:2 http://ch.archive.ubuntu.com/ubuntu/ precise/main libapr1 i386 1.4.6-1 [91.3 kB]
    Get:3 http://ch.archive.ubuntu.com/ubuntu/ precise/main libaprutil1 i386 1.3.12+dfsg-3 [75.4 kB]
    Get:4 http://ch.archive.ubuntu.com/ubuntu/ precise/main libsvn1 i386 1.6.17dfsg-3ubuntu3 [839 kB]
    Get:5 http://ch.archive.ubuntu.com/ubuntu/ precise/main cvs i386 2:1.12.13+real-8 [2469 kB]
    Get:6 http://ch.archive.ubuntu.com/ubuntu/ precise/main liberror-perl all 0.17-1 [23.8 kB]
    Get:7 http://ch.archive.ubuntu.com/ubuntu/ precise/main git-man all 1:1.7.9.5-1 [630 kB]
    Get:8 http://ch.archive.ubuntu.com/ubuntu/ precise/main git i386 1:1.7.9.5-1 [5963 kB]
    Get:9 http://ch.archive.ubuntu.com/ubuntu/ precise/main git-core all 1:1.7.9.5-1 [1384 B]
    Get:10 http://ch.archive.ubuntu.com/ubuntu/ precise/universe mercurial-common all 2.0.2-1ubuntu1 [1945 kB]
    Get:11 http://ch.archive.ubuntu.com/ubuntu/ precise/universe mercurial i386 2.0.2-1ubuntu1 [37.1 kB]
    Get:12 http://ch.archive.ubuntu.com/ubuntu/ precise/main subversion i386 1.6.17dfsg-3ubuntu3 [293 kB]
    Fetched 13.1 MB in 10s (1268 kB/s)                                                  
    perl: warning: Setting locale failed.
    perl: warning: Please check that your locale settings:
        LANGUAGE = "en",
        LC_ALL = (unset),
        LC_TIME = "fr_CH.UTF-8",
        LC_MONETARY = "fr_CH.UTF-8",
        LC_ADDRESS = "fr_CH.UTF-8",
        LC_TELEPHONE = "fr_CH.UTF-8",
        LC_NAME = "fr_CH.UTF-8",
        LC_MEASUREMENT = "fr_CH.UTF-8",
        LC_IDENTIFICATION = "fr_CH.UTF-8",
        LC_NUMERIC = "fr_CH.UTF-8",
        LC_PAPER = "fr_CH.UTF-8",
        LANG = "en_US.UTF-8"
        are supported and installed on your system.
    perl: warning: Falling back to the standard locale ("C").
    locale: Cannot set LC_ALL to default locale: No such file or directory
    Selecting previously unselected package libdb4.8.
    (Reading database ... 213253 files and directories currently installed.)
    Unpacking libdb4.8 (from .../libdb4.8_4.8.30-11ubuntu1_i386.deb) ...
    Selecting previously unselected package libapr1.
    Unpacking libapr1 (from .../libapr1_1.4.6-1_i386.deb) ...
    Selecting previously unselected package libaprutil1.
    Unpacking libaprutil1 (from .../libaprutil1_1.3.12+dfsg-3_i386.deb) ...
    Selecting previously unselected package libsvn1.
    Unpacking libsvn1 (from .../libsvn1_1.6.17dfsg-3ubuntu3_i386.deb) ...
    Selecting previously unselected package cvs.
    Unpacking cvs (from .../cvs_2%3a1.12.13+real-8_i386.deb) ...
    Selecting previously unselected package liberror-perl.
    Unpacking liberror-perl (from .../liberror-perl_0.17-1_all.deb) ...
    Selecting previously unselected package git-man.
    Unpacking git-man (from .../git-man_1%3a1.7.9.5-1_all.deb) ...
    Selecting previously unselected package git.
    Unpacking git (from .../git_1%3a1.7.9.5-1_i386.deb) ...
    Selecting previously unselected package git-core.
    Unpacking git-core (from .../git-core_1%3a1.7.9.5-1_all.deb) ...
    Selecting previously unselected package mercurial-common.
    Unpacking mercurial-common (from .../mercurial-common_2.0.2-1ubuntu1_all.deb) ...
    Selecting previously unselected package mercurial.
    Unpacking mercurial (from .../mercurial_2.0.2-1ubuntu1_i386.deb) ...
    Selecting previously unselected package subversion.
    Unpacking subversion (from .../subversion_1.6.17dfsg-3ubuntu3_i386.deb) ...
    Processing triggers for doc-base ...
    Processing 6 added doc-base files...
    Processing triggers for install-info ...
    /etc/environment: line 4: warning: setlocale: LC_NUMERIC: cannot change locale (fr_CH.UTF-8)
    /etc/environment: line 5: warning: setlocale: LC_TIME: cannot change locale (fr_CH.UTF-8)
    /etc/default/locale: line 3: warning: setlocale: LC_NUMERIC: cannot change locale (fr_CH.UTF-8)
    /etc/default/locale: line 4: warning: setlocale: LC_TIME: cannot change locale (fr_CH.UTF-8)
    Processing triggers for man-db ...
    locale: Cannot set LC_ALL to default locale: No such file or directory
    Setting up libdb4.8 (4.8.30-11ubuntu1) ...
    Setting up libapr1 (1.4.6-1) ...
    Setting up libaprutil1 (1.3.12+dfsg-3) ...
    Setting up libsvn1 (1.6.17dfsg-3ubuntu3) ...
    Setting up cvs (2:1.12.13+real-8) ...
    Allowing use of questionable username.
    Adding group `_cvsadmin' (GID 125) ...
    Done.
    Setting up liberror-perl (0.17-1) ...
    Setting up git-man (1:1.7.9.5-1) ...
    Setting up git (1:1.7.9.5-1) ...
    Setting up git-core (1:1.7.9.5-1) ...
    Setting up mercurial-common (2.0.2-1ubuntu1) ...
    Setting up mercurial (2.0.2-1ubuntu1) ...
    locale: Cannot set LC_ALL to default locale: No such file or directory
    
    Creating config file /etc/mercurial/hgrc.d/hgext.rc with new version
    Setting up subversion (1.6.17dfsg-3ubuntu3) ...
    Processing triggers for libc-bin ...
    ldconfig deferred processing now taking place
    denis@denis-M14xR2:~$ cd
    denis@denis-M14xR2:~$ 
    denis@denis-M14xR2:~$ git clone git://github.com/Bumblebee-Project/bbswitch.git bbswitch
    Cloning into 'bbswitch'...
    remote: Counting objects: 314, done.
    remote: Compressing objects: 100% (175/175), done.
    remote: Total 314 (delta 156), reused 293 (delta 135)
    Receiving objects: 100% (314/314), 50.42 KiB, done.
    Resolving deltas: 100% (156/156), done.
    denis@denis-M14xR2:~$ cd bbswitch
    denis@denis-M14xR2:~/bbswitch$ sudo make -f Makefile.dkms
    mkdir -p '/usr/src/bbswitch-0.5'
    cp Makefile bbswitch.c '/usr/src/bbswitch-0.5'
    sed 's/#MODULE_VERSION#/0.5/' dkms/dkms.conf > '/usr/src/bbswitch-0.5/dkms.conf'
    dkms build -m bbswitch -v 0.5
    
    Creating symlink /var/lib/dkms/bbswitch/0.5/source ->
                     /usr/src/bbswitch-0.5
    
    DKMS: add completed.
    
    Kernel preparation unnecessary for this kernel.  Skipping...
    
    Building module:
    cleaning build area....
    make KERNELRELEASE=3.2.0-33-generic-pae KVERSION=3.2.0-33-generic-pae....
    cleaning build area....
    
    DKMS: build completed.
    dkms install -m bbswitch -v 0.5
    
    bbswitch:
    Running module version sanity check.
     - Original module
       - This kernel never originally had a module by this name
     - Installation
       - Installing to /lib/modules/3.2.0-33-generic-pae/updates/dkms/
    
    depmod....
    
    DKMS: install completed.
    So is it installed now ? Should I reboot and check the battery life ?

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