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Thread: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

  1. #1
    Join Date
    May 2019
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    24

    18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    Hi all,

    I need to retype everything as my wifi stopped haha
    anyway

    My wifi is very slow...
    Code:
    sudo lshw -C network
      *-network                 
           description: Wireless interface
           product: BCM43228 802.11a/b/g/n
           vendor: Broadcom Inc. and subsidiaries
           physical id: 0
           bus info: pci@0000:03:00.0
           logical name: wlp3s0
           version: 00
           serial: ac:b5:7d:c5:b5:06
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
           configuration: broadcast=yes driver=wl0 driverversion=6.30.223.271 (r587334) ip=192.168.1.67 latency=0 multicast=yes wireless=IEEE 802.11
           resources: irq:17 memory:f7200000-f7203fff
      *-network
           description: Ethernet interface
           product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:04:00.0
           logical name: eno1
           version: 0c
           serial: 60:02:92:38:1d:86
           capacity: 1Gbit/s
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=MII
           resources: irq:18 ioport:d000(size=256) memory:f7100000-f7100fff memory:f2100000-f2103fff
    I tried several stuff:

    1)Disable 802.11n
    I typed
    Code:
    sudo rmmod iwlwif
     sudo modprobe iwlwifi 11n_disable=1
    got this:
    Code:
    rmmod: ERROR: Module iwlwif is not currently loaded
    I guess this line is for intel, but I have broadcom. is it why I get an error?

    2)fixing a bug in debian avahi
    with this:
    Code:
    sudo gedit /etc/nsswitch.conf
    and changed a line to this:
    Code:
    hosts:          files dns
    but it didn't work so I undid the change

    3)"the chili method"
    I ran all lines
    Code:
     sudo sed -i 's/3/2/' /etc/NetworkManager/conf.d/*
    no output but no error either

    Code:
    sudo iw reg get
    I got this
    Code:
    global
    country CA: DFS-FCC
        (2402 - 2472 @ 40), (N/A, 30), (N/A)
        (5150 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
        (5250 - 5350 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW
        (5470 - 5600 @ 80), (N/A, 24), (0 ms), DFS
        (5650 - 5730 @ 80), (N/A, 24), (0 ms), DFS
        (5735 - 5835 @ 80), (N/A, 30), (N/A)
    so I guess I m ok, it s set to canada

    I also went to the settings of my wifi and disabled IPv6.

    sometimes my wifi is fine for a dozen of seconds, then get super slow. It s pretty unstable
    is it something to do with
    Code:
    bcmwl-kernel-source
    ?
    Is there another driver I need to install?

    Any ideas? thanks for your help!

  2. #2
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    25,392
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    I guess this line is for intel, but I have broadcom. is it why I get an error?
    That's correct but don't feel bad, this and most other fora are littered with new users who undertake changes without any regard to what wireless chip they have. They install Broadcom drivers and are disaapointed when their Realtek device won't work, they invoke Intel parameters for Atheros devices, etc.

    To all you searchers out there, it is useless to undertake fixes without knowing if it applies to your exact device. Don't go to the parts store to buy a windshield wiper for your Ford if you actually own a Honda. It won't fit and it won't work.

    The title of your thread suggests that your wireless is slow. The body says:

    my wifi stopped
    So which is it? Does it stop and start or is it slow or is it both?

    Did you try ALL of the chili555 methods?

    First, check the settings in the router. WPA2-AES is preferred; not any WPA and WPA2 mixed mode and certainly not TKIP. Second, if your router is capable of N speeds, you may have better connectivity with a channel width of 20 MHz in the 2.4 GHz band instead of automatic 20/40 MHz, although it is likely to affect N speeds. I also have better luck with a fixed channel, either 1, 6 or 11, rather than automatic channel selection. Also, be certain the router is not set to use N speeds only; auto B, G and N is preferred. After making these changes, reboot the router.

    Do you have a dual band 2.4 gHz and 5 gHz router? Are both segments named the same? Does your Broadcom wireless hop back and forth among the bands looking for a better connection, much like my ex-girlfriend? If so, I suggest that you rename the segments in the administration pages of the router, something like myroutert2.4 and myrouter5.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  3. #3
    Join Date
    May 2019
    Beans
    24

    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    Hi Chili,

    thanks for the reply!
    I unfortunately don't have access to the router because it's upstairs with my landlords and they fled the virus.
    Also, my thinkpad laptop have a good connection, without the need to do anything to the rooter, so isn't it a problem with this desktop and not the rooter?

    My connection stopped once so I lost my text that's why I wrote "wifi stopped", but else it's just slow. sometimes it can load a 720 p youtube video then the moment after not even with 360p. It's not only with youtube, in general other page load slowly and when I download a package it s very slow too

  4. #4
    Join Date
    Aug 2005
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    South Carolina, USA
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    25,392
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    Also, my thinkpad laptop have a good connection, without the need to do anything to the rooter, so isn't it a problem with this desktop and not the rooter?
    We don't know yet. Does the Thinkpad have the exact same wireless device and use bcmwl-kernel-source? Some Linux driver and hardware combinations work well with default router settings and some do not.

    Let's see if the logs have any further clues. Please run and post:

    Code:
    lspci -nnk | grep 0280 -A3
    dmesg | grep wl
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  5. #5
    Join Date
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    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    Code:
    03:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43228 802.11a/b/g/n [14e4:4359]
        Subsystem: Broadcom Inc. and subsidiaries BCM43228 802.11a/b/g/n [14e4:05e2]
        Kernel driver in use: wl
        Kernel modules: bcma, wl

    Code:
    [    0.000000] DMI: Hewlett-Packard 500-569/2B2C, BIOS 80.01 10/21/2014
    [    0.840859] integrity: Loaded X.509 cert 'Hewlett-Packard Company: HP UEFI Secure Boot 2013 DB key: 1d7cf2c2b92673f69c8ee1ec7063967ab9b62bec'
    [    4.718829] wl: loading out-of-tree module taints kernel.
    [    4.718832] wl: module license 'MIXED/Proprietary' taints kernel.
    [    4.721024] wl: module verification failed: signature and/or required key missing - tainting kernel
    [    4.722271] wl 0000:03:00.0: enabling device (0100 -> 0102)
    [    4.835609] wlan0: Broadcom BCM4359 802.11 Hybrid Wireless Controller 6.30.223.271 (r587334)
    [    4.980780] wl 0000:03:00.0 wlp3s0: renamed from wlan0
    [   16.415177] IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
    [   84.345461] Modules linked in: rfcomm cmac bnep nls_iso8859_1 snd_hda_codec_hdmi intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp nvidia_uvm(OE) kvm nvidia_drm(POE) irqbypass nvidia_modeset(POE) mei_hdcp nvidia(POE) snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_nhlt snd_hda_codec crct10dif_pclmul snd_hda_core btusb crc32_pclmul snd_hwdep btrtl wl(POE) ghash_clmulni_intel btbcm snd_pcm btintel snd_seq_midi bluetooth snd_seq_midi_event aesni_intel snd_rawmidi drm_kms_helper ecdh_generic ecc joydev drm input_leds ipmi_devintf aes_x86_64 crypto_simd ipmi_msghandler cryptd snd_seq glue_helper fb_sys_fops intel_cstate syscopyarea mei_me snd_seq_device intel_rapl_perf mei snd_timer sysfillrect snd soundcore lpc_ich sysimgblt hp_wmi cfg80211 sparse_keymap wmi_bmof mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic ums_realtek uas usbhid usb_storage hid ahci r8169 libahci realtek wmi video
    [   84.345499] CPU: 0 PID: 523 Comm: wl_event_handle Tainted: P           OE     5.3.0-45-generic #37~18.04.1-Ubuntu
    [   84.345500] Hardware name: Hewlett-Packard 500-569/2B2C, BIOS 80.01 10/21/2014
    [   84.345599]  wl_bss_roaming_done.isra.29+0xd6/0x130 [wl]
    [   84.345654]  ? wl_bss_roaming_done.isra.29+0xd6/0x130 [wl]
    [   84.345708]  wl_notify_roaming_status+0x35/0x80 [wl]
    [   84.345765]  wl_event_handler+0x7a/0x1f0 [wl]
    [   84.345821]  ? wl_notify_scan_status+0x330/0x330 [wl]
    [   90.258927] ERROR @wl_cfg80211_get_station : 
    [   90.259021] ERROR @wl_cfg80211_get_station : 
    [  105.848101] Modules linked in: rfcomm cmac bnep nls_iso8859_1 snd_hda_codec_hdmi intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp nvidia_uvm(OE) kvm nvidia_drm(POE) irqbypass nvidia_modeset(POE) mei_hdcp nvidia(POE) snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_nhlt snd_hda_codec crct10dif_pclmul snd_hda_core btusb crc32_pclmul snd_hwdep btrtl wl(POE) ghash_clmulni_intel btbcm snd_pcm btintel snd_seq_midi bluetooth snd_seq_midi_event aesni_intel snd_rawmidi drm_kms_helper ecdh_generic ecc joydev drm input_leds ipmi_devintf aes_x86_64 crypto_simd ipmi_msghandler cryptd snd_seq glue_helper fb_sys_fops intel_cstate syscopyarea mei_me snd_seq_device intel_rapl_perf mei snd_timer sysfillrect snd soundcore lpc_ich sysimgblt hp_wmi cfg80211 sparse_keymap wmi_bmof mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic ums_realtek uas usbhid usb_storage hid ahci r8169 libahci realtek wmi video
    [  105.848128] CPU: 0 PID: 523 Comm: wl_event_handle Tainted: P        W  OE     5.3.0-45-generic #37~18.04.1-Ubuntu
    [  105.848129] Hardware name: Hewlett-Packard 500-569/2B2C, BIOS 80.01 10/21/2014
    [  105.848193]  wl_bss_roaming_done.isra.29+0xd6/0x130 [wl]
    [  105.848227]  ? wl_bss_roaming_done.isra.29+0xd6/0x130 [wl]
    [  105.848260]  wl_notify_roaming_status+0x35/0x80 [wl]
    [  105.848295]  wl_event_handler+0x7a/0x1f0 [wl]
    [  105.848330]  ? wl_notify_scan_status+0x330/0x330 [wl]

  6. #6
    Join Date
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    Distro
    Ubuntu 20.04 Focal Fossa

    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    Wow! That is one unhappy driver!

    We need just a few more data points:

    Code:
    uname -r 
    lsb_release -d
    sudo dpkg -s bcmwl-kernel-source | grep Version
    I suspect that there is a mismatch here.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  7. #7
    Join Date
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    24

    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    Wow! That is one unhappy driver!
    hahaha is it ? how do you see that ? all the error that were listed ?

    Code:
    5.3.0-45-generic
    Code:
    Description:    Ubuntu 18.04.4 LTS
    Code:
    Version: 6.30.223.271+bdcom-0ubuntu5~18.04.1
    mmh is it something to do with the 18.04.01 version

  8. #8
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    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    Anybody has an idea how I could resolve this?
    thank you!

  9. #9
    Join Date
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    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    Quote Originally Posted by datagueule View Post
    Anybody has an idea how I could resolve this?
    thank you!
    I regret that I haven't any other suggestions.

    As far as I can tell, you have the correct driver and the correct version of that driver matching your kernel version. A Google search of the significant errors, 'ERROR @wl_cfg80211_get_station : ' yields nothing useful.

    You might try booting into an earlier kernel version than -45 at the GRUB menu to see if the wireless works.

    You might try a live session for Ubuntu 19.10 and see if the later Ubuntu version helps. Frankly, I doubt it.

    Finally, you might buy an inexpensive USB wireless and wait to see if a later kernel version and driver version fixes the issue.

    I'm sorry that I have no better recommendation.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  10. #10
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    Re: 18.04 broadcom wifi very slow. I tried the "chili555 method" already!

    thanks for your help!!

    do you have any idea if I can contact one of the developper from ubuntu if they have an answer? the 18.04 is not that young, I mean it s surprising my wifi driver is not adapted
    thank you

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