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Thread: WIFI speed slows dramatically and at random

  1. #21
    Join Date
    Sep 2018
    Beans
    16

    Re: WIFI speed slows dramatically and at random

    This is hard to believe, but after a week of working perfectly, it happened again.

  2. #22
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    26,047
    Distro
    Ubuntu Development Release

    Re: WIFI speed slows dramatically and at random

    Are there any clues in the log?
    Code:
    dmesg | grep -e rtl -e wlan
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, B.Sc., M.Sc., M.A., Ph.D., Sc.D.

  3. #23
    Join Date
    Sep 2018
    Beans
    16

    Re: WIFI speed slows dramatically and at random

    Quote Originally Posted by chili555 View Post
    We wonder why this is still present. Please show us:
    Code:
    sudo dpkg -s bcmwl-kernel-source | grep Status
    history | grep purge
    Did you reboot?
    I rebooted since this happened. It didn't take a reboot to get the higher speed back, just a disable and re-enable of the WIFI.

    Your request:

    Code:
    aparise@Daedalus:~$ sudo dpkg -s bcmwl-kernel-source | grep Status[sudo] password for aparise: 
    dpkg-query: package 'bcmwl-kernel-source' is not installed and no information is available
    Use dpkg --info (= dpkg-deb --info) to examine archive files,
    and dpkg --contents (= dpkg-deb --contents) to list their contents.
    aparise@Daedalus:~$ history | grep purge
      673  sudo apt-get purge -y --force-yes grub*-common grub-common:i386 shim-signed linux-signed*
      679  sudo apt-get purge -y --force-yes grub*-common grub-common:i386 shim-signed linux-signed*
      760  sudo apt-get purge wicd wicd-gtk
      765  sudo apt-get purge wicd wicd-gtk
      801  sudo apt-get purge -y --force-yes grub*-common grub-common:i386 shim-signed linux-signed*
      841  sudo apt-get remove --purge flashplugin-installer
      898  sudo apt-get remove --purge flashplugin-installer
      900  sudo apt-get remove --purge flashplugin-installer
      903  sudo apt-get remove --purge flashplugin-installer
      996  sudo apt-get purge bluez # remove old versions
     1300  sudo apt-get remove --purge ttf-mscorefonts-installer
     1308  sudo apt --purge --reinstall install ttf-mscorefonts-installer
     1434  sudo apt install ppa-purge
     1435  sudo ppa-purge ppa:morphis/anbox-support
     1546  sudo apt-get purge wicd
     1580  sudo apt purge bcmwl-kernel-source
     1583  history | grep purge
     1601  sudo apt-get purge arp-scan
     1605  history | grep purge
    aparise@Daedalus:~$

  4. #24
    Join Date
    Sep 2018
    Beans
    16

    Re: WIFI speed slows dramatically and at random

    Quote Originally Posted by chili555 View Post
    Are there any clues in the log?
    Code:
    dmesg | grep -e rtl -e wlan
    Sorry, I got confused and answered the wrong question.
    Here is the correct output:

    Code:
    aparise@Daedalus:~$ dmesg | grep -e rtl -e wlan[   36.950730] rtl8188ee: rtl8188ee: Power Save off (module option)
    [   36.950731] rtl8188ee: rtl8188ee: FW Power Save off (module option)
    [   36.950774] rtl8188ee: Using firmware rtlwifi/rtl8188efw.bin
    [   37.036358] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
    [   37.036638] rtlwifi: rtlwifi: wireless switch is on
    [   37.040140] rtl8188ee 0000:02:00.0 wlan1: renamed from wlan0
    [   37.111382] Modules linked in: crc32_pclmul snd_hda_codec arc4 snd_hda_core rtl8188ee ghash_clmulni_intel snd_hwdep cryptd rtl_pci snd_pcm rtlwifi snd_seq_midi mac80211 snd_seq_midi_event binfmt_misc intel_cstate cfg80211 intel_rapl_perf hid_multitouch snd_rawmidi joydev mei_me mei snd_seq snd_seq_device snd_timer input_leds serio_raw hp_wmi wmi_bmof sparse_keymap rtsx_pci_ms memstick lpc_ich snd mac_hid soundcore shpchp hp_wireless sch_fq_codel iptable_filter ip6table_filter ip6_tables br_netfilter bridge stp llc arp_tables parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj usbhid hid i915 rtsx_pci_sdmmc i2c_algo_bit drm_kms_helper syscopyarea sysfillrect psmouse sysimgblt fb_sys_fops rtsx_pci ahci wmi drm libahci r8169 mii video
    [   55.960454] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [   56.380936] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [   56.464750] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [   57.751267] wlan1: authenticate with f0:fc:c8:fd:18:f9
    [   57.761377] wlan1: send auth to f0:fc:c8:fd:18:f9 (try 1/3)
    [   57.763914] wlan1: authenticated
    [   57.768078] wlan1: associate with f0:fc:c8:fd:18:f9 (try 1/3)
    [   57.773586] wlan1: RX AssocResp from f0:fc:c8:fd:18:f9 (capab=0x431 status=0 aid=1)
    [   57.773860] wlan1: associated
    [   58.045300] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
    [ 6725.168162] wlan1: deauthenticating from f0:fc:c8:fd:18:f9 by local choice (Reason: 3=DEAUTH_LEAVING)
    [ 6727.790695] rtlwifi: rtlwifi: wireless switch is on
    [ 6731.030665] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [ 6731.457375] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [ 6731.513497] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [ 6732.381125] wlan1: authenticate with f0:fc:c8:fd:18:f9
    [ 6732.391265] wlan1: send auth to f0:fc:c8:fd:18:f9 (try 1/3)
    [ 6732.393077] wlan1: authenticated
    [ 6732.396218] wlan1: associate with f0:fc:c8:fd:18:f9 (try 1/3)
    [ 6732.399881] wlan1: RX AssocResp from f0:fc:c8:fd:18:f9 (capab=0x431 status=0 aid=1)
    [ 6732.400234] wlan1: associated
    [ 6732.409123] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
    [ 8604.573166] wlan1: deauthenticating from f0:fc:c8:fd:18:f9 by local choice (Reason: 3=DEAUTH_LEAVING)
    [ 8606.458966] rtlwifi: rtlwifi: wireless switch is on
    [ 8607.204104] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [ 8607.631243] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [ 8607.682825] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [ 8608.547207] wlan1: authenticate with f0:fc:c8:fd:18:f9
    [ 8608.557332] wlan1: send auth to f0:fc:c8:fd:18:f9 (try 1/3)
    [ 8608.563565] wlan1: authenticated
    [ 8608.564660] wlan1: associate with f0:fc:c8:fd:18:f9 (try 1/3)
    [ 8608.568390] wlan1: RX AssocResp from f0:fc:c8:fd:18:f9 (capab=0x431 status=0 aid=1)
    [ 8608.568657] wlan1: associated
    [ 8608.577044] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
    aparise@Daedalus:~$

  5. #25
    Join Date
    Sep 2018
    Beans
    16

    Re: WIFI speed slows dramatically and at random

    It happened again, this time soon after boot. I have not rebooted or even re-enabled the WIFI yet:

    Code:
    aparise@Daedalus:~$ dmesg | grep -e rtl -e wlan
    [   40.798662] rtl8188ee: rtl8188ee: Power Save off (module option)
    [   40.798663] rtl8188ee: rtl8188ee: FW Power Save off (module option)
    [   40.798678] rtl8188ee: Using firmware rtlwifi/rtl8188efw.bin
    [   41.093894] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
    [   41.094141] rtlwifi: rtlwifi: wireless switch is on
    [   41.096503] rtl8188ee 0000:02:00.0 wlan1: renamed from wlan0
    [   54.096882] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [   54.520205] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [   54.656908] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
    [   72.411713] wlan1: authenticate with f0:fc:c8:fd:18:f9
    [   72.421838] wlan1: send auth to f0:fc:c8:fd:18:f9 (try 1/3)
    [   72.423673] wlan1: authenticated
    [   72.424058] wlan1: associate with f0:fc:c8:fd:18:f9 (try 1/3)
    [   72.427717] wlan1: RX AssocResp from f0:fc:c8:fd:18:f9 (capab=0x431 status=0 aid=1)
    [   72.427961] wlan1: associated
    [   72.851961] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
    aparise@Daedalus:~$

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