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    [Internet] Focal fossa - Will bluetooth/WIFI work together?

    A lot of people have that issue with a lot of distribution(Not only Kubuntu).
    When connecting to bluetooth the wifi doesn't work. Keep connected but "0 Bps" or very slow.

    But the KDE NEON has the best result.
    The interference is weak and both can work together.

    Could check it for focal fossa?

    I think bt_coex_active could be a clue.
    I cant change it. It is aways off on the kernell config.

    My wifi is 2.4Ghz

    Thanks!!!

    =======================================
    See KDE NEON kernel config:
    Terminal commands
    ls /boot/config-* OR cat /boot/config-`uname -r`

    https://pastebin.com/UHk1ikR3

    ------------------------------------------------------------------------------------------------------------------------------
    MACHINE:

    *-network
    descrição: Interface wireless
    produto: QCA9377 802.11ac Wireless Network Adapter
    fabricante: Qualcomm Atheros
    ID físico: 0
    informações do barramento: pci@0000:02:00.0
    nome lógico: wlp2s0
    versão: 31
    serial:
    largura: 64 bits
    clock: 33MHz
    capacidades: pm msi pciexpress bus_master cap_list ethernet physical wireless
    configuração: broadcast=yes driver=ath10k_pci driverversion=5.3.0-45-generic firmware=WLAN.TF.2.1-00021-QCARMSWP-1 ip=192.168.1.100 latency=0 link=yes multicast=yes wireless=IEEE 802.11
    recursos: irq:129 memória:b1000000-b11fffff
    ------------------------------------------------------------------------------------------------------------------------------
    BLUETOOTH
    sudo service bluetooth status
    bluetooth.service - Bluetooth service
    Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
    Active: active (running) since Tue 2020-03-31 10:55:56 -03; 7h ago
    Docs: man:bluetoothd(8)
    Main PID: 779 (bluetoothd)
    Status: "Running"
    Tasks: 1 (limit: 4915)
    CGroup: /system.slice/bluetooth.service
    └─779 /usr/lib/bluetooth/bluetoothd

    mar 31 12:39:51 leonardo-ideapad-330-15IKB bluetoothd[779]: Failed to set mode: Blocked through rfkill (0x12)
    mar 31 12:39:51 leonardo-ideapad-330-15IKB bluetoothd[779]: Endpoint registered: sender=:1.45 path=/MediaEndpoint/A2DPSource
    mar 31 12:39:51 leonardo-ideapad-330-15IKB bluetoothd[779]: Endpoint registered: sender=:1.45 path=/MediaEndpoint/A2DPSink
    mar 31 17:08:28 leonardo-ideapad-330-15IKB bluetoothd[779]: Endpoint unregistered: sender=:1.45 path=/MediaEndpoint/A2DPSource
    mar 31 17:08:28 leonardo-ideapad-330-15IKB bluetoothd[779]: Endpoint unregistered: sender=:1.45 path=/MediaEndpoint/A2DPSink
    mar 31 17:08:28 leonardo-ideapad-330-15IKB bluetoothd[779]: Failed to set mode: Blocked through rfkill (0x12)
    mar 31 17:08:28 leonardo-ideapad-330-15IKB bluetoothd[779]: Endpoint registered: sender=:1.45 path=/MediaEndpoint/A2DPSource
    mar 31 17:08:28 leonardo-ideapad-330-15IKB bluetoothd[779]: Endpoint registered: sender=:1.45 path=/MediaEndpoint/A2DPSink
    mar 31 17:18:52 leonardo-ideapad-330-15IKB bluetoothd[779]: /org/bluez/hci0/dev_FC_78_96_6B_56_6A/fd0: fd(36) ready
    mar 31 18:21:28 leonardo-ideapad-330-15IKB bluetoothd[779]: /org/bluez/hci0/dev_FC_78_96_6B_56_6A/fd1: fd(35) ready
    =======================================
    rfkill list
    0: ideapad_wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: no
    1: ideapad_bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: no
    3: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
    5: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

    #2
    Why not get a daily build of 20.04, put it on a USB stick and check it yourself?

    Comment


      #3
      Testing a LiveUSB is the best way.
      A second way is to lsmod and check to see what driver is being used for your wifi chip. Mine is the ath9k driver.
      Then do

      modinfo ath9k

      but use your driver, not mine.
      In the list of "parm"'s you may see one or more related to allowing bt to work with the wifi:
      parm: btcoex_enable:Enable wifi-BT coexistence (int)
      parm: bt_ant_diversity:Enable WLAN/BT RX antenna diversity (int)
      If your list of parms does not contain any bluetooth settings then your wifi chip may not be compatible with bluetooth.
      Last edited by GreyGeek; Apr 01, 2020, 01:10 PM. Reason: typos
      "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
      – John F. Kennedy, February 26, 1962.

      Comment


        #4
        I've just tested sending audio to a USB receiver attached to my stereo and at the same time doing a speed test over (5G) wifi.
        When the speed test changed from upload to download the music gave a little stutter but otherwise all worked fine.
        Results speed test: Up 38.5 Mbps, Down 39.1 Mbps

        Seconds later Skype crashed...
        Restarted it and no new problems.

        This is a Thinkpad W520.
        Last edited by Teunis; Apr 01, 2020, 10:44 AM. Reason: Results/restart

        Comment

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