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Thread: Realtek 8822be Kubuntu 19.04 WIFI works with "Try Kubuntu" but doesn't once the OS in

  1. #11
    Join Date
    Aug 2019
    Beans
    8

    Re: Realtek 8822be Kubuntu 19.04 WIFI works with "Try Kubuntu" but doesn't once the O

    Here is the output of the lsmod command:

    Code:
    Module                  Size  Used by
    rfcomm                 77824  16
    ipheth                 16384  0
    bnep                   24576  2
    nls_iso8859_1          16384  1
    edac_mce_amd           28672  0
    kvm_amd                94208  0
    ccp                    86016  1 kvm_amd
    snd_hda_codec_generic    77824  1
    kvm                   626688  1 kvm_amd
    ledtrig_audio          16384  1 snd_hda_codec_generic
    snd_hda_codec_hdmi     53248  1
    irqbypass              16384  1 kvm
    snd_hda_intel          40960  6
    snd_hda_codec         131072  3 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel
    snd_hda_core           86016  4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
    snd_hwdep              20480  1 snd_hda_codec
    snd_pcm               102400  5 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
    crct10dif_pclmul       16384  1
    arc4                   16384  2
    crc32_pclmul           16384  0
    snd_seq_midi           20480  0
    ghash_clmulni_intel    16384  0
    snd_seq_midi_event     16384  1 snd_seq_midi
    joydev                 24576  0
    snd_rawmidi            36864  1 snd_seq_midi
    rtwpci                 24576  0
    rtw88                 413696  1 rtwpci
    btusb                  49152  0
    snd_seq                69632  2 snd_seq_midi,snd_seq_midi_event
    btrtl                  20480  1 btusb
    btbcm                  16384  1 btusb
    btintel                24576  1 btusb
    aesni_intel           372736  0
    mac80211              806912  2 rtwpci,rtw88
    bluetooth             557056  41 btrtl,btintel,btbcm,bnep,btusb,rfcomm
    snd_seq_device         16384  3 snd_seq,snd_seq_midi,snd_rawmidi
    asus_nb_wmi            28672  0
    aes_x86_64             20480  1 aesni_intel
    snd_timer              36864  2 snd_seq,snd_pcm
    asus_wmi               28672  1 asus_nb_wmi
    crypto_simd            16384  1 aesni_intel
    cryptd                 24576  3 crypto_simd,ghash_clmulni_intel,aesni_intel
    input_leds             16384  0
    sparse_keymap          16384  1 asus_wmi
    glue_helper            16384  1 aesni_intel
    hid_multitouch         24576  0
    ecdh_generic           28672  1 bluetooth
    snd                    81920  21 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_rawmidi
    serio_raw              20480  0
    wmi_bmof               16384  0
    cfg80211              671744  2 mac80211,rtw88
    k10temp                16384  0
    fam15h_power           16384  0
    soundcore              16384  1 snd
    uvcvideo               98304  0
    videobuf2_vmalloc      20480  1 uvcvideo
    videobuf2_memops       20480  1 videobuf2_vmalloc
    videobuf2_v4l2         24576  1 uvcvideo
    videobuf2_common       49152  2 videobuf2_v4l2,uvcvideo
    8250_dw                20480  0
    videodev              200704  3 videobuf2_v4l2,uvcvideo,videobuf2_common
    asus_wireless          20480  0
    mac_hid                16384  0
    media                  53248  4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
    sch_fq_codel           20480  6
    parport_pc             40960  0
    ppdev                  24576  0
    lp                     20480  0
    parport                53248  3 parport_pc,lp,ppdev
    ip_tables              28672  0
    x_tables               40960  1 ip_tables
    autofs4                45056  2
    amdgpu               3518464  31
    hid_generic            16384  0
    chash                  16384  1 amdgpu
    amd_iommu_v2           20480  1 amdgpu
    gpu_sched              32768  1 amdgpu
    i2c_algo_bit           16384  1 amdgpu
    ttm                   102400  1 amdgpu
    drm_kms_helper        180224  1 amdgpu
    syscopyarea            16384  1 drm_kms_helper
    sysfillrect            16384  1 drm_kms_helper
    ahci                   40960  4
    sysimgblt              16384  1 drm_kms_helper
    fb_sys_fops            16384  1 drm_kms_helper
    libahci                32768  1 ahci
    drm                   475136  13 gpu_sched,drm_kms_helper,amdgpu,ttm
    i2c_piix4              28672  0
    wmi                    28672  2 asus_wmi,wmi_bmof
    i2c_hid                28672  0
    video                  45056  1 asus_wmi
    hid                   126976  3 i2c_hid,hid_multitouch,hid_generic

  2. #12
    Join Date
    Aug 2019
    Beans
    8

    Re: Realtek 8822be Kubuntu 19.04 WIFI works with "Try Kubuntu" but doesn't once the O

    I'm a bit concerned about the nmcli result:

    Code:
    enp0s16u3c4i2: connected to Wired connection 1
            "Apple iPhone5/5C/5S/6"
            ethernet (ipheth), 3E:AB:8E:A5:CC:CE, hw, mtu 1500
            ip4 default
            inet4 172.20.10.12/28
            route4 0.0.0.0/0
            route4 172.20.10.0/28
            route4 169.254.0.0/16
            inet6 fe80::d71c:7d5b:94d1:e077/64
            route6 fe80::/64
            route6 ff00::/8
    
    wlp1s0: disconnected
            "Realtek RTL8822BE 802.11a/b/g/n/ac"
            wifi (rtw_pci), DC:F5:05:77:32:CB, hw, mtu 1500
    
    lo: unmanaged
            "lo"
            loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536
    
    DNS configuration:
            servers: 172.20.10.1
            interface: enp0s16u3c4i2
    
    Use "nmcli device show" to get complete information about known devices and
    "nmcli connection show" to get an overview on active connection profiles.
    
    Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.
    Code:
    simon@simon:~$ nmcli radio
    WIFI-HW  WIFI     WWAN-HW  WWAN    
    enabled  enabled  enabled  enabled 
    simon@simon:~$ iwlist wlp1s0 scanning
    wlp1s0    No scan results
    Last edited by sashatheduckling; August 29th, 2019 at 11:24 PM.

  3. #13
    Join Date
    Aug 2018
    Beans
    37

    Re: Realtek 8822be Kubuntu 19.04 WIFI works with "Try Kubuntu" but doesn't once the O

    nmcli shows your device is disconnected and your wired connection is active. What happens when the wired interface is disconnected?

  4. #14
    Join Date
    Aug 2019
    Beans
    8

    Re: Realtek 8822be Kubuntu 19.04 WIFI works with "Try Kubuntu" but doesn't once the O

    Hi dbergst,

    Nmcli works correctly with the wired connection: registers and displays each change of its state and so on, but fails with the wireless connection.

    I had to accept this fact and let the default WiFi go...
    I’ve been playing around this issue for almost a week and it seems a bit to much for my busy work schedule. So I’m back to using the USB adapter (it comes with a special big and shiny “L” sign). Nevertheless, this tricky situation has taught me a lot about the Linux systems and I’m glad with this, especially, taking into account it was my first experience with this OS.

    And the last, but not the least important thing: I’d like to thank you for the helpful advices and the time you’ve spent in this thread, I appreciate it indeed.

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