linux-kernel - Re: Realtek r8822be kernel module does not negotiate 802.11ac connection

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Message-ID: <487c350c-c455-b490-8de5-1d68760aa3dc@lwfinger.net>
Date:   Fri, 1 Mar 2019 19:46:37 -0600
From:   Larry Finger <Larry.Finger@...inger.net>
To:     "David R. Bergstein" <david.r.bergstein@...il.com>,
        Tony Chuang <yhchuang@...ltek.com>
Cc:     Pkshih <pkshih@...ltek.com>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Realtek r8822be kernel module does not negotiate 802.11ac
 connection

On 3/1/19 4:26 PM, David R. Bergstein wrote:
> Larry,
> 
> Thanks for the response and detailed instructions, which allowed me to
> build and install the rtw88 kernel module.  I cannot however seem to get
> my system to actually use the module.  Just to recap this is an HP Omen
> laptop with secure boot disabled.  Upon boot-up both the new rtw88 and
> old r8822be modules are loaded.  If I unload the r8822be module the wifi
> network connection gets terminated, even if I unload/reload the rtw88
> module.
> 
> Is there something else I should be doing prior to invoking rtw88, e.g.,
> blacklisting the old module?

Yes, r8822be must be blacklisted. Use the lsmod command to see what modules are 
actually loaded. You load/unload rtw88 using the rtwpci module.

Larry