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Thread: 4.13.0-22-generic kernel updated caused wifi driver to stop working.

  1. #1
    Join Date
    Dec 2017
    Beans
    4

    Question 4.13.0-22-generic kernel updated caused wifi driver to stop working.

    Hi All,

    I was using 4.13.0-19-generic and all previous kernels since my 17.10 upgrade and i've been using the same driver for my Realtek 8192du for many many years (2013).

    The lsusb command lists my card as : "Bus 002 Device 002: ID 050d:110a Belkin Components F9L1101v2 802.11abgn Wireless Adapter [Realtek RTL8192DU]"

    Refer to this page for the driver in use (previously since 2013) as of now if will not work : "https://ubuntuforums.org/showthread.php?t=2176114&p=12799964#post12799964"

    Obviously i can drop back to 4.13.0-19 but I am used to keeping my system updated as since 4.13.0-22 my "LIRC" is working again for my universal remote.

    I also have a wired LAN which gives me internet access so although the WiFi isn't essential it limits some apps i run which connect to hardware via my WiFi network which is a separate network to my wired LAN so any help anyone could provide would be welcomed.

    If you need any further information from myself please let me know and i'll post it asap.

    This is my standard driver install info below; Thanks for reading this and hope to get some help if possible.

    git clone https://github.com/lwfinger/rtl8192du.git
    cd rtl8192du
    make
    sudo make install
    sudo modprobe 8192du

  2. #2
    Join Date
    May 2014
    Location
    /home
    Beans
    10,889
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: 4.13.0-22-generic kernel updated caused wifi driver to stop working.

    Do
    Code:
    cd rtl8192du
    git status
    Post results

  3. #3
    Join Date
    Dec 2017
    Beans
    4

    Re: 4.13.0-22-generic kernel updated caused wifi driver to stop working.

    On branch master
    Your branch is up-to-date with 'origin/master'.


    nothing to commit, working tree clean

    -------------------------------------------------

    Also iwconfig outputs:

    Code:
    enp2s0    no wireless extensions.
    
    wlx00e04c819200  unassociated  Nickname:"<WIFI@REALTEK>"
              Mode:Auto  Frequency=2.412 GHz  Access Point: Not-Associated   
              Sensitivity:0/0  
              Retry:off   RTS thr:off   Fragment thr:off
              Power Management:off
              Link Quality:0  Signal level:0  Noise level:0
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:0   Missed beacon:0
    
    
    lo        no wireless extensions.
    As if the adaptor is there but not configured as not shown under ifconfig, i've never tried this when its not working so unsure if anything should show or not.
    Last edited by derek-ross666; December 23rd, 2017 at 01:20 AM. Reason: Trying to stop the txt being converted to smileys!

  4. #4
    Join Date
    Dec 2017
    Beans
    4

    Re: 4.13.0-22-generic kernel updated caused wifi driver to stop working.

    Has anything changed from rev 19 to 22 in the kernel that would case problems with this?

    I reckon maybe i could configure the card manually, also why do the adaptor names have such long ones rather than lan01, wifi01 etc?

    It also lists that there is no driver for my card and i need to use ndiswrapper which is incorrect?
    Last edited by derek-ross666; December 23rd, 2017 at 03:32 PM. Reason: More thoughts

  5. #5
    Join Date
    May 2014
    Location
    /home
    Beans
    10,889
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: 4.13.0-22-generic kernel updated caused wifi driver to stop working.

    The long interface names have been around since Ubuntu 15.10 IIRC part of https://www.freedesktop.org/wiki/Sof...nterfaceNames/
    Does
    Code:
    iwlist scan
    Have any results?
    Also check
    Code:
    dmesg | grep 8192du

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