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Thread: Bug in Kernel 2.6.38-x with wireless network

  1. #1
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    Question Bug in Kernel 2.6.38-x with wireless network

    Hello there.
    I've got an annoying problem since I upgraded from 2.6.37-12 to 2.6.38-x wich is frustrating me:
    The internet connection is limited to about 137 kb/s with kernel 2.6.38-x but I got 702 kb/s with 2.6.37-12 and lower. Fortunately 2.6.38 fixed the random kernel crash at boot time.
    I installed the maverick (2.6.35-x) to solve that problem temporary, but the random error accurs again and that keeps a bit confusing me (cause maverick doesn't crash on my machine).

    The hardware I use:
    Laptop Samsung R780 with
    nvidia gf 330gt
    wireless ath9k driver
    intel core i5-430
    4GB Ram
    (more I won't list, cause everything except the wireless works very fine with 2.6.38-x (compositing, sound, VirtualBox, etc))

    So are there any workarounds or fixes to handle that? (Note: 2.6.38-3 didn't fix that too)

    Greetz
    -SickSnickers

  2. #2
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    Re: Bug in Kernel 2.6.38-x with wireless network

    There is a possible solution in this thread

  3. #3
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    Talking Re: Bug in Kernel 2.6.38-x with wireless network

    Hello cariboo907.
    Thx for that reply. It solves my problem with connection speed on linux 2.6.38-3.
    I simply added/created ath9k.conf in /etc/modprobe.d
    Code:
    options ath9k nohwcrypt=1
    and it helped, so I thank you again that the long journey through possible fixes (I tried a lot of things) ends here.

    Now everything is fine.

    -SickSnickers

  4. #4
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    Re: Bug in Kernel 2.6.38-x with wireless network

    I wouldn't call this [SOLVED], it's a workaround. Whenever they fix hardware encryption you should turn it back on.

  5. #5
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    dino99 is offline Ubuntu addict and loving it
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    Re: Bug in Kernel 2.6.38-x with wireless network

    Quote Originally Posted by levk View Post
    I wouldn't call this [SOLVED], it's a workaround. Whenever they fix hardware encryption you should turn it back on.
    and run into a terminal: ubuntu-bug linux

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