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Thread: Lubuntu slower with each update

  1. #1
    Join Date
    May 2007
    Beans
    54
    Distro
    Ubuntu 7.04 Feisty Fawn

    Lubuntu slower with each update

    Hi!

    I've been using lubuntu on Asus eeepc 901 since July and I've noticed that it gets progressively slower after each update. Right now, it has gotten so painfully slow that even scrolling in web browser (both chromium and firefox) has at least a .5sec lag, even on javascript and flash-free websites (such as vanilla php-bb forums). Javascript-filled websites (for example yahoo mail service) are almost unusable.

    Back in July, right after installation - the system was happy and snappy. I have installed exactly 0 new programs ever since.

    I get the feeling that somehow, CPU speed locked down to 800Mhz again (link to original problem).

    Any ideas what went wrong, or how do I check what is wrong?
    Last edited by elfuego; November 21st, 2012 at 06:02 PM. Reason: linky fixy

  2. #2
    Join Date
    Jan 2008
    Beans
    7,749

    Re: Lubuntu slower with each update

    You can try booting to the old kernel under which you had good performance. (choose it from GRUB menu at boot)

    Does your EEE have a SSD drive? If so you might want to check its health (not an SSD user myself so I can't walk you through it) and also that it is not getting full.

  3. #3
    Join Date
    Oct 2011
    Beans
    87
    Distro
    Lubuntu 14.04 Trusty Tahr

    Re: Lubuntu slower with each update

    I get the feeling that somehow, CPU speed locked down to 600Mhz again (link to original problem).
    Your link doesn't work.
    How did you increase the CPU speed.
    Loading p4_clockmod module is just a cosmetic change.
    The CPU remains at 630MHz.

  4. #4
    Join Date
    May 2007
    Beans
    54
    Distro
    Ubuntu 7.04 Feisty Fawn

    Re: Lubuntu slower with each update

    Quote Originally Posted by kalehrl View Post
    Your link doesn't work.
    How did you increase the CPU speed.
    Loading p4_clockmod module is just a cosmetic change.
    The CPU remains at 630MHz.
    I fixed the link, thanks;

    I didnt increase the CPU speed. I just disabled speedstep in BIOS and out of sudden, the laptop worked as it should (in Lubuntu). At least at the beginning.

    SSD is a good point - it is indeed slow, but the space should not be a problem - almost 7 out of 20GB is free. However, even if its slow, it shouldnt affect javascript performance... The problem with booting the old kernels is my habit of deleting the old stuff after update I guess now I learned why devs did not make it a feature to clean up the 'obsolete' kernels automatically.

    I guess I'll reinstall the system and disable any further updates

  5. #5
    Join Date
    May 2007
    Beans
    54
    Distro
    Ubuntu 7.04 Feisty Fawn

    Re: Lubuntu slower with each update

    Quote Originally Posted by elfuego View Post
    The problem with booting the old kernels is my habit of deleting the old stuff after update
    Scratch this part. I just noticed that I was too lazy to do that; I still have the original kernel installed which was hidden behind "older linux versions" in grub

    ...aaaand it works awesome! It's back to full speed again.

    Thread issue solved thanks!

  6. #6
    Join Date
    Mar 2012
    Beans
    241
    Distro
    Xubuntu 12.04 Precise Pangolin

    Re: Lubuntu slower with each update

    I'm delighted to hear that the older kernel works as it should. But it raises a question I've had, still not answered in a way I can quite understand:

    Why do the newer kernels sometimes not work, or slow things down, or worse sometimes? Is it really a bad thing to continue with an older kernel that works when there's an "updated" kernel that may be more secure or whatever?

    Just wondering. Not a problem for me (yet, fingers crossed), but I always get really nervous when Update Manager shows me a kernel update and all that "Linux-image" stuff.

  7. #7
    Join Date
    May 2007
    Beans
    54
    Distro
    Ubuntu 7.04 Feisty Fawn

    Re: Lubuntu slower with each update

    Quote Originally Posted by Peripheral Visionary View Post
    Why do the newer kernels sometimes not work, or slow things down, or worse sometimes? Is it really a bad thing to continue with an older kernel that works when there's an "updated" kernel that may be more secure or whatever?
    I do not know, but starting from now, I'll follow the saying "if it works, don't fix it".

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