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Thread: Can't connect to wireless after 11.10 upgrade

  1. #41
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    Re: Can't connect to wireless after 11.10 upgrade

    Well wildmanne39, still nothing. It was initially an upgrade and now two clean installs. It looks like I'm in the same boat as netxph, playing the waiting game. Thanks again for all your time. I'll keep my eyes open and try sending Intel the bug information. Until something changes it looks like I'm reverting to 11.04

  2. #42
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    Re: Can't connect to wireless after 11.10 upgrade

    I also have a 64 bit system that can't connect to wireless after 11.10 upgrade. I'm running the ubuntustudio version. When clicking on the network manger applet it states that both wired and wireless connections are "unmanaged". The wired connection works anyway, the wireless does not.
    Now this Thread has been about Intel card and iwlagn driver problems, if you have broadcom (bcm) then that
    is just loading correct driver and not a problem.
    Code:
    lspci -nn | grep 0280
    * Last working Linux Kernel version for our iwlagn is 2.6.38, any version before that will not work, and any versions after that will not work either. Upgrading/Downgrading to 2.6.38 was my only option, but then, it's too much work
    Download the 3 in your 32 or 64 bit
    all.deb
    headers
    image
    Click on them in that order will install thru Ubuntu software sources. (all takes just a few minutes)
    reboot and choose the 2.6.38 kernel to boot from, at least until this iwlagn problem gets straightened out.
    http://kernel.ubuntu.com/~kernel-ppa....6.38.8-natty/

    #This is not with all machines and iwlagn driver some still work out of box, no one seems to have figured out the common denominator as of yet besides works with 2.6.38 kernel.
    Last edited by garvinrick4; October 18th, 2011 at 06:59 PM. Reason: lastest kernel working Network card Intel with "iwlagn" driver is 2.6.38.8
    Remember hence where you come and pass it down.
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  3. #43
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    Ubuntu Studio 10.10 Maverick Meerkat

    Re: Can't connect to wireless after 11.10 upgrade

    It is not a broadcom card it's a Intel Corporation Ultimate N WiFi Link 5300.

  4. #44
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    Re: Can't connect to wireless after 11.10 upgrade

    Quote Originally Posted by PatrickZ View Post
    It is not a broadcom card it's a Intel Corporation Ultimate N WiFi Link 5300.
    Mostly I wrote that post incase new users are looking at it and do not realize that if they have a broadcom
    card it is usually in most all cases easily handled with correct driver.
    Remember hence where you come and pass it down.
    Ubuntu Forums member #899097 and Ubuntu Member:
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  5. #45
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    Re: Can't connect to wireless after 11.10 upgrade

    My card is an Intel Centrino Wireless-N + WiMAX 6150, I have been following this thread and trying everything. The only way I could get it to work is with a downgrade to the 2.6.38 kernel (2.6.38.8 specifically) as per garvinrick4's instructions. I tried a number of kernels in the oneric tree including 3.1-rc9 and a number of 2.6.39 release candidates in order to find that one specific kernel that caused the problem. It really seems to be the transition from 2.6.38 to 2.6.39, but I did not try every 2.6.39-rc.

    I will look through the change logs but I probably wont be able to see the trigger due to lack of knowledge. Is there a preferred location to report this as a bug?

  6. #46
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    Re: Can't connect to wireless after 11.10 upgrade

    Is there a preferred location to report this as a bug?
    Bugs are reported in Launchpad.net in upper right hand corner of Ubuntu page. Join launchpad it has all things Ubuntu in it.
    Then report your findings, will come in handy for users with same. Thank you for reporting to thread, you will make a difference in letting users know it works in 2.6.38.8 as the highest kernel.
    http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.38.8-natty/
    Last edited by garvinrick4; October 18th, 2011 at 07:01 PM.
    Remember hence where you come and pass it down.
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  7. #47
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    Re: Can't connect to wireless after 11.10 upgrade

    Hi ajcjh, okay I am sorry we did not get it working.

  8. #48
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    Re: Can't connect to wireless after 11.10 upgrade

    Hi PatrickZ, try what is in post 3 and it will only work until you reboot, if that does not work we will need to get information from you before suggesting any further action.
    Thank you

  9. #49
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    Ubuntu Studio 10.10 Maverick Meerkat

    Re: Can't connect to wireless after 11.10 upgrade

    I did as stated in post #3. Still nothing...

  10. #50
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    Re: Can't connect to wireless after 11.10 upgrade

    Hi PatrickZ, please post the results of these commands.
    Code:
    cat /etc/lsb-release; uname -a
    Code:
    sudo lshw -C network
    Code:
    nm-tool
    Code:
    lspci -nnk | grep -iA2 net
    Code:
    iwconfig
    Code:
    rfkill list all
    Code:
    sudo iwlist scan
    Code:
    iwlist chan
    Code:
    lsmod | grep iwl
    Code:
    sudo cat /var/log/syslog | grep -e iwl -e firmware -e wlan0 -e wpa | tail -n35
    by clicking on new reply and click # and paste the information between the brackets.
    Thank you

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