Date:   Sat, 02 Mar 2019 11:03:46 +0100
From:   Arend Van Spriel <arend.vanspriel@...adcom.com>
To:     "David R. Bergstein" <david.r.bergstein@...il.com>,
        Larry Finger <Larry.Finger@...inger.net>,
        Tony Chuang <yhchuang@...ltek.com>
CC:     Pkshih <pkshih@...ltek.com>, <linux-wireless@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: Realtek r8822be kernel module does not negotiate 802.11ac connection

Op 2 maart 2019 04:52:46 schreef "David R. Bergstein" 
<david.r.bergstein@...il.com>:

> Larry,
>
> Sorry about all these extra replies.  Shortly after I sent my last
> message my access point started recognizing the connection as 802.11ac
> with PHY Rate / Modulation Rate of 866.6 Mbps.  What is somewhat
> misleading is the information reported by iwconfig (see bit rate below).

My bet would be that it is nitrate at which beacon or probe response is 
received. Regardless I would suggest using iw in this day and age.

Regards,
Arend

> $ iwconfig wlo1
> wlo1      IEEE 802.11  ESSID:"XXXXXXXXXX-5G" 
>           Mode:Managed  Frequency:5.22 GHz  Access Point:
> xx:xx:xx:xx:xx:xx  
>           Bit Rate=6.5 Mb/s   Tx-Power=23 dBm  
>           Retry short limit:7   RTS thr:off   Fragment thr:off
>           Power Management:on
>           Link Quality=70/70  Signal level=-40 dBm 
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:11   Missed beacon:0
>
> Sincerely,
>
> David R. Bergstein
>
> On 3/1/19 10:16 PM, David R. Bergstein wrote:
>> Larry,
>>
>> Please disregard my last message.  The firmware is now installed and the
>> rtw88 module is working with my wireless router.  The next hurdle
>> appears to be setting the speed to 802.11ac as it is currently
>> connecting as an 802.11n client.
>>
>> Sincerely,
>>
>> David R. Bergstein
>>
>> On 3/1/19 9:55 PM, David R. Bergstein wrote:
>>> Larry,
>>>
>>> Following up to your last reply, I blacklisted the r8822be module,
>>> rebooted and was unable to bring up the wireless interface via rtw88. 
>>> Below are some errors recorded in my system log:
>>>
>>>  
>>> [  267.509818] rtw_pci 0000:3d:00.0: Direct firmware load for
>>> rtw88/rtw8822b_fw.bin failed with error -2
>>> [  267.509821] rtw_pci 0000:3d:00.0: failed to request firmware
>>> [  267.511068] rtw_pci 0000:3d:00.0: mac power on failed
>>> [  267.511072] rtw_pci 0000:3d:00.0: failed to power on mac
>>> [  267.511073] rtw_pci 0000:3d:00.0: failed to setup chip efuse info
>>> [  267.511075] rtw_pci 0000:3d:00.0: failed to setup chip information
>>> [  267.512817] rtw_pci: probe of 0000:3d:00.0 failed with error -114
>>>
>>> As directed, I used the rtwpci module to perform load/unload the rtw88
>>> module before I saw the errors above.  Do I still need to install firmware?
>>>
>>> Sincerely,
>>>
>>> David R. Bergstein
>>>
>>> On 3/1/19 8:46 PM, Larry Finger wrote:
>>>> 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
>>>>
>

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