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Thread: Broadcom internal WiFi device not recognised

  1. #11
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    Ubuntu

    Re: Broadcom internal WiFi device not recognised

    Try the commands in post #9. Maybe they will show the device. Also try after FN+F3 to see if it makes any difference.

  2. #12
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    Aug 2013
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    Re: Broadcom internal WiFi device not recognised

    Here:
    Code:
    $ cat /sys/bus/sdio/devices/*
    cat: '/sys/bus/sdio/devices/mmc1:0001:1': Is a directory
    cat: '/sys/bus/sdio/devices/mmc1:0001:2': Is a directory
    $ cat /sys/bus/sdio/devices/*/uevent
    SDIO_CLASS=00
    SDIO_ID=02D0:A9A6
    MODALIAS=sdio:c00v02D0dA9A6
    SDIO_CLASS=00
    SDIO_ID=02D0:A9A6
    MODALIAS=sdio:c00v02D0dA9A6

  3. #13
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    Re: Broadcom internal WiFi device not recognised

    There doesn't seem to be any change after Fn+F3, but dmesg did spit out something connected to mmc1 (which is on the sdio bus):

    [ 1427.470534] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
    [ 1427.472083] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
    [ 1427.473614] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
    [ 1427.476387] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
    [ 1427.479756] mmc1: queuing unknown CIS tuple 0x81 (9 bytes)

  4. #14
    Join Date
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    Ubuntu Mate 20.04 Focal Fossa

    Re: Broadcom internal WiFi device not recognised

    Code:
    modprobe -c | grep -i "02d0.*a9a6"
    gives

    Code:
    alias sdio:c*v02D0dA9A6* brcmfmac
    So lets see
    Code:
    sudo modprobe -v brcmfmac
    dmesg | grep brcm

  5. #15
    Join Date
    Aug 2013
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    Re: Broadcom internal WiFi device not recognised

    Here:

    $ sudo modprobe -v brcmfmac
    [sudo] password for dbclin:
    insmod /lib/modules/5.3.0-40-generic/kernel/drivers/net/wireless/broadcom/brcm80211/brcmutil/brcmutil.ko
    insmod /lib/modules/5.3.0-40-generic/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko

    $ dmesg | grep brcm
    [ 9.411132] bluetooth hci0: Direct firmware load for brcm/BCM4343A0.hcd failed with error -2
    [ 9.411141] Bluetooth: hci0: BCM: Patch brcm/BCM4343A0.hcd not found
    [ 2033.627030] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430a0-sdio for chip BCM43430/0
    [ 2033.627265] usbcore: registered new interface driver brcmfmac
    [ 2033.662422] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430a0-sdio.Acer-One S1003.txt failed with error -2
    [ 2033.663081] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430a0-sdio.txt failed with error -2
    [ 2034.673518] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50

  6. #16
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    Re: Broadcom internal WiFi device not recognised

    Now we're getting somewhere. It looks like a failed firmware loading. I think that it will be easy for the experts to come up with a solution.

  7. #17
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    Re: Broadcom internal WiFi device not recognised

    Very interesting.
    How did dmesg know that we're looking for a file called "brcmfmac43430a0-sdio.Acer-One S1003.txt"? Where did the "Acer-One" come from?
    Do you think I should rename brcmfmac43430a0-sdio.txt to fit that expectation?
    Thanks!

  8. #18
    Join Date
    May 2014
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    /home
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    Ubuntu 18.04 Bionic Beaver

    Re: Broadcom internal WiFi device not recognised

    Please post results for
    Code:
    ls /sys/firmware/efi/efivars/ | grep nvram

  9. #19
    Join Date
    Aug 2013
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    30

    Re: Broadcom internal WiFi device not recognised

    The efivars/ directory is empty (not even hidden files).

  10. #20
    Join Date
    Aug 2013
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    30

    Re: Broadcom internal WiFi device not recognised

    I'm in!!!
    I got a copy of the brcmfmac43430a0-sdio.txt file from GitHub and saved it to /lib/firmware/brcm/
    Then, remembering how dmesg had complained about brcm/brcmfmac43430a0-sdio.Acer-One S1003.txt failing with error -2, I made copies of the brcmfmac43430a0-sdio.txt file named brcmfmac43430a0-sdio.Acer-One-S1003.txt and brcmfmac43430a0-sdio.Acer-One\ S1003.txt (because I wasn't sure which one dmesg wanted).
    I then ran modprobe -v brcmfmac once again, and my new interface showed up.
    Everything's perfect now.
    I've lost count of how many of you forum guys were a part of this, but I'm very grateful to all of you. I plan to write this whole thing up to make it available to the community.
    Thanks
    David

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