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Thread: ubuntu seriously lagging, freezing

  1. #11
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    Talking Re: ubuntu seriously lagging, freezing

    The problem is solved by switching off Background Blur from the Search option in the Unity Tweak Tool as per the post #8 above.

    I did not do a top command as the problem only appear when you click on the Unity search icon and the system then become unresponsive for several minutes...
    Last edited by chrismine; September 16th, 2013 at 04:45 PM.
    Intel E5200Dual Core CPU, Gigabyte G31 mobo, 4 GB DDR800 mem, Intel graphics, 250 GB Seagate HDD, Liteon 22x DVD Rewriter, 17" HP LCD Ubuntu User # 17508

  2. #12
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    Re: ubuntu seriously lagging, freezing

    Quote Originally Posted by chrismine View Post
    The problem is solved by switching off Background Blur from the Search option in the Unity Tweak Tool as per the post #8 above.
    I have (had) the same issue on my Packard Bell netbook (DOA150), and switching off Background Blur from the Search option in the Unity Tweak Tool also solved the problem for me.

    I upgraded Ubuntu 13.04 to 13.10 earlier this summer, and it was running fine - until some day in august, when this started. Maybe it has something to do with Mir? Just a guess...
    Last edited by tj001; September 20th, 2013 at 11:37 AM.

  3. #13
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    Re: ubuntu seriously lagging, freezing

    Quote Originally Posted by tj001 View Post
    I upgraded Ubuntu 13.04 to 13.10 earlier this summer, and it was running fine - until some day in august, when this started. Maybe it has something to do with Mir? Just a guess...
    All 13.10 issues should be posted in the Ubuntu +1 sub-forum. Thanks.

  4. #14
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    Re: ubuntu seriously lagging, freezing

    Quote Originally Posted by David_H_Smith View Post
    Hi Guys,
    Hello and welcome to Ubuntu Forums


    My Ubuntu 13.10 is acting REALLY weird. Never had a significant problem with my computer until now.
    Just to make sure, do you realize that you are running a non-stable version of Ubuntu which is still under heavy developmenet?

    http://fridge.ubuntu.com/2013/09/06/...ta-1-released/

    Are you trying to use Ubuntu 13.10 for your day-to-day tasks? or are you testing it?

    How did you install your system?

    If you are willing to test and not use this for day to day, please download the latest daily build and re-install.

    http://cdimage.ubuntu.com/

    Do I have a virus? Can UBUNTU even get viruses?
    https://help.ubuntu.com/community/Antivirus

    Or is my saystem too old. Bought it in 2005.

    1GB DDR2 RAM
    nVidia Geforce 7050M-M motherboard
    onboard nVidia 7025 graphics card
    AMD2 3.0Mhz Dual core processor
    Obviously, here is the problem.

    Your system can not handle Unity
    Please, consider using either Lubuntu OR Xubuntu

    https://wiki.ubuntu.com/Lubuntu
    http://xubuntu.org/

    And yet again, 13.10 is NOT yet a stable release!

    Thank you!

  5. #15
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    Re: ubuntu seriously lagging, freezing

    Here are the recommended requirements for ubuntu.

    1gig of ram is fine. Graphics cards are another story.

    https://help.ubuntu.com/community/In...emRequirements

  6. #16
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    Re: ubuntu seriously lagging, freezing

    I too am experiencing serious lag. I couldn't get the panel readable until I install nvidia-173. Now the panels are great, but the system is very sluggish.
    The same nvidia driver works perfect using Ubuntu Gnome, and Kubuntu works perfect using nouveau.

  7. #17
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    Re: ubuntu seriously lagging, freezing

    I see the same thing. When you enable blur. There is a noticable slow down when opening the Dash. Setting it to Static solves the problem. I do not understand this because I have a very powerful GPU.

  8. #18
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    Re: ubuntu seriously lagging, freezing

    Registered Linux User #407403

  9. #19
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    Re: ubuntu seriously lagging, freezing

    My Lenovo M57e easily meets the stated requirements, and handles Windows 7 and any variety of Linux (other than Ubuntu) with ease. Yes, the problem is easily fixed once you have patiently waited to download and then run Unity Tweak Tool, but surely, if Background Blur is that important to the current target users, the installer could detect machines unable to deliver the necessary graphic acceleration, and switch the effect off automatically. Unity seems to operate just fine without Background Blur.

  10. #20
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    Re: ubuntu seriously lagging, freezing

    Quote Originally Posted by bennachie View Post
    My Lenovo M57e easily meets the stated requirements...
    I wouldn't be sure about that because the integrated graphic card Intel GMA 3100 most likely doesn't support OpenGL 2.1. That's requiered for proper handling of Unity background blur. There is a bug report about that and it turns out that the new mesa 9.2 advertises OpenGL 2.1 hardware support for some Intel chips but in reality it's doing that in software which is very slow.

    There is workaround for that problem described in comments. Adding this line to the /etc/environment will switch to lower version of background blur which is supported with hardware acceleration on these Intel graphic chipsets.

    MESA_GL_VERSION_OVERRIDE=1.4

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