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Thread: lenovo x260 thinkpad wifi adapter not found in ubuntu 18.04

  1. #1
    Join Date
    Oct 2018
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    lenovo x260 thinkpad wifi adapter not found in ubuntu 18.04

    I have installed Ubuntu 18.04 on Lenovo x260 ThinkPad but it's not finding my wifi adapter


    my network card details:
    $ sudo lshw -class network
    [sudo] password:
    *-network UNCLAIMED
    description: Network controller
    product: BCM4356 802.11ac Wireless Network Adapter
    vendor: Broadcom Limited
    physical id: 0
    bus info: pci@0000:04:00.0
    version: 02
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress cap_list
    configuration: latency=0
    resources: memory:f1400000-f1407fff memory:f1000000-f13fffff


    playground:~$ lspci -vvnn | grep Network
    04:00.0 Network controller [0280]: Broadcom Limited BCM4356 802.11ac Wireless Network Adapter [14e4:43ec] (rev 02)
    Subsystem: Lenovo BCM4356 802.11ac Wireless Network Adapter [17aa:0777]
    playground:~$ lspci -vvnn | grep -A 9 Network | grep Kernel
    Kernel modules: brcmfmac


    please suggest me.
    Last edited by mouharram; October 22nd, 2018 at 07:46 AM. Reason: editing more data

  2. #2
    Join Date
    Aug 2005
    Location
    South Carolina, USA
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    25,631
    Distro
    Ubuntu Development Release

    Re: lenovo x260 thinkpad wifi adapter not found in ubuntu 18.04

    *-network UNCLAIMED
    description: Network controller
    product: BCM4356 802.11ac Wireless Network Adapter
    vendor: Broadcom Limited
    physical id: 0
    bus info: pci@0000:04:00.0
    version: 02
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress cap_list
    configuration: latency=0
    resources: memory:f1400000-f1407fff memory:f1000000-f13fffff
    I suspect it is unclaimed is although it already has a driver, brcmfmac, it lacks firmware. Perhaps the logs will tell us what's missing:
    Code:
    dmesg | grep brcm
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  3. #3
    Join Date
    Oct 2018
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    Re: lenovo x260 thinkpad wifi adapter not found in ubuntu 18.04

    playground:~$ dmesg | grep brcm
    [ 17.990708] usbcore: registered new interface driver brcmfmac
    [ 17.990773] brcmfmac 0000:04:00.0: enabling device (0000 -> 0002)
    [ 18.097073] brcmfmac: brcmf_fw_map_chip_to_name: using brcm/brcmfmac4356-pcie.bin for chip 0x004356(17238) rev 0x000002
    [ 18.154619] brcmfmac 0000:04:00.0: Direct firmware load for brcm/brcmfmac4356-pcie.txt failed with error -2
    [ 18.763498] bluetooth hci0: Direct firmware load for brcm/BCM4354A2-0a5c-640e.hcd failed with error -2
    [ 18.763499] Bluetooth: hci0: BCM: Patch brcm/BCM4354A2-0a5c-640e.hcd not found
    [ 20.636008] brcmfmac: brcmf_msgbuf_query_dcmd: Timeout on response for query command
    [ 20.636012] brcmfmac: brcmf_c_preinit_dcmds: Retreiving cur_etheraddr failed, -5
    [ 20.636014] brcmfmac: brcmf_bus_started: failed: -5
    [ 20.636018] brcmfmac: brcmf_pcie_attach_bus: dongle is not responding

  4. #4
    Join Date
    Oct 2018
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    Re: lenovo x260 thinkpad wifi adapter not found in ubuntu 18.04

    i have got my solution on below

    https://ubuntuforums.org/showthread.php?t=2391394

    Thanks all.

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