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

[Arend Van Spriel]

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

> 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
> wlo1ÂÂÂÂÂ IEEE 802.11Â ESSID:"XXXXXXXXXX-5G"Â
>  Mode:Managed Frequency:5.22 GHz Access Point:
> xx:xx:xx:xx:xx:xx Â
> ÂÂÂÂÂÂÂÂÂ Bit Rate=6.5 Mb/sÂÂ Tx-Power=23 dBmÂÂ
> ÂÂÂÂÂÂÂÂÂ Retry short limit:7ÂÂ RTS thr:offÂÂ Fragment thr:off
> ÂÂÂÂÂÂÂÂÂ Power Management:on
> ÂÂÂÂÂÂÂÂÂ Link Quality=70/70Â Signal level=-40 dBmÂ
> ÂÂÂÂÂÂÂÂÂ Rx invalid nwid:0Â Rx invalid crypt:0Â Rx invalid frag:0
> ÂÂÂÂÂÂÂÂÂ Tx excessive retries:0Â Invalid misc:11ÂÂ 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.Â
> > > Below are some errors recorded in my system log:
> > >
> > > Â
> > > [Â 267.509818] rtw_pci 0000:3d:00.0: Direct firmware load for
> > > rtw88/rtw8822b_fw.bin failed with error -2
> > > [Â 267.509821] rtw_pci 0000:3d:00.0: failed to request firmware
> > > [Â 267.511068] rtw_pci 0000:3d:00.0: mac power on failed
> > > [Â 267.511072] rtw_pci 0000:3d:00.0: failed to power on mac
> > > [Â 267.511073] rtw_pci 0000:3d:00.0: failed to setup chip efuse info
> > > [Â 267.511075] rtw_pci 0000:3d:00.0: failed to setup chip information
> > > [Â 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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