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Thread: Persistent, brief wifi drops. Ubuntu 19.10, HP Envy x360, Realtek RTL8822BE

  1. #1
    Join Date
    Apr 2020
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    Persistent, brief wifi drops. Ubuntu 19.10, HP Envy x360, Realtek RTL8822BE

    I'm using my internal network card, has worked with no issues for months. No other devices on the network are experiencing drops. I changed the Wifi channel and checked for driver updates (none), reinstalled the drivers just in case. Drop happens every 2-3 minutes. It is brief enough that it only causes disruption when I'm livestreaming video or playing online games.
    My network card: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac
    I ran journalctl --follow and screenshot the output when a drop occurred (attached image).

    I don't really know what it means though. This line caught my eye: WARNING: CPU: 2 PID: 27181 at drivers/net/wireless/realtek/rtw88/phy.c:1590 rtw_get_tx_power_params+0x288/0x680 [rtw88]
    And of course the text in red.
    I looked up process 27181: 0.1 0.1 14104 8624 Ss 15:20 0:21 /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant
    Can anyone tell me what any of this means?
    Attached Images Attached Images

  2. #2
    Join Date
    May 2014
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    8,996
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Persistent, brief wifi drops. Ubuntu 19.10, HP Envy x360, Realtek RTL8822BE

    Please see the wireless script link in my signature and post results

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