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#1 2020-11-05 23:17:44

Su1_Gener1s
Member
Registered: 2020-11-01
Posts: 10

[SOLVED] Realtek WiFi Issues

Good evening all,

I have been trying for the last few nights, and failing miserably, to get the onboard WiFi working in Lithium on my Arka Book (super cheap 11.6" laptop).

From what I have been able to find out the chip is a Realtek RTL8723B, or at least that is what driver Macrium Rescue (bootable drive cloning/backup software that runs on WindowsPE) loads.

Lithium tells me there are WiFi networks available but when I try to connect to mine? It just times out. There are also no other WiFi points being detected in range as well as the signal from mine being incredibly weak (the router is 3ft away).

I've tested using Mint 20 Cinnamon & that works as it is supposed to, also working with Windows as mentioned above, but not in Lithium.

I've got the firmware-realtek package installed which I recently changed over to the backports edition with the same result, have since deleted the Realtek firmware directory and reverted to the original Lithium/Buster version.

I think the same chip drives the Bluetooth, which is working properly. inxi reports "No Device data found".

Can someone please help? This is driving me potty. sad

Su1

Last edited by Su1_Gener1s (2020-11-08 17:46:18)

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#2 2020-11-06 21:12:05

rbh
Member
From: Sweden/Vasterbotten/Rusfors
Registered: 2016-08-11
Posts: 750

Re: [SOLVED] Realtek WiFi Issues

Su1_Gener1s wrote:

I have been trying for the last few nights, and failing miserably, to get the onboard WiFi working in Lithium on my Arka Book (super cheap 11.6" laptop).

Is it this computer: https://www.lightning-computers.co.uk/p … b-ram-64gb ?
No info about wifi chipset.
You do not have link to the poducer?

From what I have been able to find out the chip is a Realtek RTL8723B, or at least that is what driver Macrium Rescue (bootable drive cloning/backup software that runs on WindowsPE) loads.
[...]
I've tested using Mint 20 Cinnamon & that works as it is supposed to, also working with Windows as mentioned above, but not in Lithium.

I've got the firmware-realtek package installed which I recently changed over to the backports edition with the same result, have since deleted the Realtek firmware directory and reverted to the original Lithium/Buster version.

I think the same chip drives the Bluetooth, which is working properly. inxi reports "No Device data found".

Does really the command

inxi -N

return "No Device data found"? Then it is not detected, no wonder you can't connect to your router. Did you ran inxi under Mint?

On the page I found, there is no mention of RJ45-jack. It's not equipped with that? You installed with wifi?
You deleted Realteck firmware, instead of uninstalling?
I am not sure you know what you are doing...
There is often problems with RTL8723B...

Last edited by rbh (2020-11-06 21:13:03)


// Regards rbh

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#3 2020-11-06 21:44:04

Su1_Gener1s
Member
Registered: 2020-11-01
Posts: 10

Re: [SOLVED] Realtek WiFi Issues

rbh wrote:

I am not sure you know what you are doing...

Well, while I appreciate the reply, I'm not too keen on the tone of it.

Yes, inxi -N reports "Network: Message: No Device data found.", that doesn't, however, mean there is no wireless device as wireless points are still detected it is just impossible to connect to them as and when they show up.

Mint reports the same thing as BL/L under inxi.

No, there is no ethernet on this laptop, it's WiFi only. I installed by doing the bulk of the installation through VM and imaging it across using Macrium.

And yes, while I did just flat out delete the Realtek WiFi firmware directory I uninstalled and reinstalled firmware-realtek through apt afterwards.

Su1

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#4 2020-11-06 22:48:53

ohnonot
...again
Registered: 2015-09-29
Posts: 5,019
Website

Re: [SOLVED] Realtek WiFi Issues

^ so, is your problem SOLVED now?
If not, please https://forums.bunsenlabs.org/viewtopic.php?id=24 (add 'lsusb' output where applicable)


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#5 2020-11-06 23:35:15

Su1_Gener1s
Member
Registered: 2020-11-01
Posts: 10

Re: [SOLVED] Realtek WiFi Issues

ohnonot wrote:

^ so, is your problem SOLVED now?

Unfortunately not! The problem is the same as it has always been, it "works", but it doesn't. Sees WiFi points but can't connect, also doesn't see anywhere near as many as it should.

root@BunsenBook:/home/sui# uname -rv
4.19.0-12-amd64 #1 SMP Debian 4.19.152-1 (2020-10-18)
root@BunsenBook:/home/sui# lspci -knn | grep -EiA2 net
root@BunsenBook:/home/sui# lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 058f:5608 Alcor Micro Corp. 
Bus 001 Device 003: ID 0bda:b720 Realtek Semiconductor Corp. 
Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root@BunsenBook:/home/sui# dmesg|grep -Ei 'wlan|firmw|dhc'
[    0.573327] Spectre V2 : Enabling Restricted Speculation for firmware calls
[    3.952580] sdhci: Secure Digital Host Controller Interface driver
[    3.952582] sdhci: Copyright(c) Pierre Ossman
[    3.997036] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b)
[    3.999869] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit
[    4.749406] usb 1-7: Product: 802.11n WLAN Adapter
[    7.234986] i915 0000:00:02.0: firmware: direct-loading firmware i915/bxt_dmc_ver1_07.bin
[    7.235289] [drm] Finished loading DMC firmware i915/bxt_dmc_ver1_07.bin (v1.7)
[    7.584809] bluetooth hci0: firmware: direct-loading firmware rtl_bt/rtl8723b_fw.bin
[    7.584883] bluetooth hci0: firmware: failed to load rtl_bt/rtl8723b_config.bin (-2)
[    7.584893] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware
[    7.584897] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
[    7.715885] usb 1-7: Product: 802.11n WLAN Adapter
[    7.715977] usb 1-7: rtl8xxxu: Loading firmware rtlwifi/rtl8723bu_nic.bin
[    7.719551] usb 1-7: firmware: direct-loading firmware rtlwifi/rtl8723bu_nic.bin
[    7.719568] usb 1-7: Firmware revision 35.0 (signature 0x5301)
[    8.662021] rtl8xxxu 1-7:1.2 wlxd4d2d61b8a0a: renamed from wlan0
root@BunsenBook:/home/sui# cat /var/log/syslog | grep -Ei 'net|wpa|dhc'
Nov  6 23:42:05 BunsenBook kernel: [    0.607353] NET: Registered protocol family 16
Nov  6 23:42:05 BunsenBook kernel: [    0.607559] audit: initializing netlink subsys (disabled)
Nov  6 23:42:05 BunsenBook systemd[1]: Condition check resulted in Network Time Synchronization being skipped.
Nov  6 23:42:05 BunsenBook kernel: [    0.888899] NET: Registered protocol family 2
Nov  6 23:42:05 BunsenBook kernel: [    0.890388] NET: Registered protocol family 1
Nov  6 23:42:05 BunsenBook kernel: [    0.890402] NET: Registered protocol family 44
Nov  6 23:42:05 BunsenBook systemd[1]: Starting WPA supplicant...
Nov  6 23:42:05 BunsenBook systemd[1]: Starting Network Manager...
Nov  6 23:42:05 BunsenBook systemd[1]: Starting Raise network interfaces...
Nov  6 23:42:05 BunsenBook kernel: [    3.139490] NET: Registered protocol family 10
Nov  6 23:42:05 BunsenBook kernel: [    3.159094] NET: Registered protocol family 17
Nov  6 23:42:05 BunsenBook kernel: [    3.540652] sdhci: Secure Digital Host Controller Interface driver
Nov  6 23:42:05 BunsenBook kernel: [    3.540655] sdhci: Copyright(c) Pierre Ossman
Nov  6 23:42:05 BunsenBook kernel: [    3.551255] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b)
Nov  6 23:42:05 BunsenBook kernel: [    3.573656] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit
Nov  6 23:42:05 BunsenBook kernel: [    6.927895] NET: Registered protocol family 31
Nov  6 23:42:05 BunsenBook wpa_supplicant[431]: Successfully initialized wpa_supplicant
Nov  6 23:42:05 BunsenBook avahi-daemon[424]: Network interface enumeration completed.
Nov  6 23:42:05 BunsenBook systemd[1]: Started WPA supplicant.
Nov  6 23:42:05 BunsenBook kernel: [    7.957472] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.2965] NetworkManager (version 1.14.6) is starting... (for the first time)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.2967] Read config: /etc/NetworkManager/NetworkManager.conf (lib: no-mac-addr-change.conf)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.3167] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManager"
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.3190] manager[0x564997143030]: monitoring kernel firmware directory '/lib/firmware'.
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.3191] monitoring ifupdown state file '/run/network/ifstate'.
Nov  6 23:42:05 BunsenBook systemd[1]: Started Network Manager.
Nov  6 23:42:05 BunsenBook systemd[1]: Starting Network Manager Wait Online...
Nov  6 23:42:05 BunsenBook systemd[1]: Started Raise network interfaces.
Nov  6 23:42:05 BunsenBook systemd[1]: Reached target Network.
Nov  6 23:42:05 BunsenBook systemd[1]: Starting Network Time Service...
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.5780] hostname: hostname: using hostnamed
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.5780] hostname: hostname changed from (none) to "BunsenBook"
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.5787] dns-mgr[0x56499714f920]: init: dns=default, rc-manager=resolvconf
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.5803] rfkill1: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:15.0/usb1/1-7/1-7:1.2/ieee80211/phy0/rfkill1) (driver rtl8xxxu)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.5807] manager[0x564997143030]: rfkill: WiFi hardware radio set enabled
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.5808] manager[0x564997143030]: rfkill: WWAN hardware radio set enabled
Nov  6 23:42:05 BunsenBook dbus-daemon[429]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.7' (uid=0 pid=432 comm="/usr/sbin/NetworkManager --no-daemon ")
Nov  6 23:42:05 BunsenBook systemd[1]: Starting Network Manager Script Dispatcher Service...
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6406] ifupdown:       interface-parser: parsing file /etc/network/interfaces
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6407] ifupdown:       interface-parser: source line includes interfaces file(s) /etc/network/interfaces.d/*
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <warn>  [1604706125.6408] ifupdown: interfaces file /etc/network/interfaces.d/* doesn't exist
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6408] ifupdown:       interface-parser: finished parsing file /etc/network/interfaces
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6409] ifupdown: management mode: unmanaged
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6409] settings: Loaded settings plugin: SettingsPluginIfupdown ("/usr/lib/x86_64-linux-gnu/NetworkManager/1.14.6/libnm-settings-plugin-ifupdown.so")
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6409] settings: Loaded settings plugin: NMSKeyfilePlugin (internal)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6456] keyfile: new connection /etc/NetworkManager/system-connections/W-Lan-2 1.nmconnection (e25763e8-c5c5-4fc0-be6a-ae926d7a960a,"W-Lan-2 1")
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6480] keyfile: new connection /etc/NetworkManager/system-connections/W-Lan-2.nmconnection (7cd1f2ab-8772-4314-a156-c8edd6a7eb8c,"W-Lan-2")
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6512] keyfile: new connection /etc/NetworkManager/system-connections/RWFI.nmconnection (1bd0cee0-be39-4580-96f9-56463bc2930e,"RWFI")
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6531] keyfile: new connection /etc/NetworkManager/system-connections/Wired connection 1 (6f2bd734-64ee-48c0-8747-1bd61c61b068,"Wired connection 1")
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6578] manager: rfkill: WiFi enabled by radio killswitch; enabled by state file
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6584] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6591] manager: Networking is enabled by state file
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6599] dhcp-init: Using DHCP client 'dhclient'
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6680] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/NetworkManager/1.14.6/libnm-device-plugin-bluetooth.so)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6694] Loaded device plugin: NMWwanFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.14.6/libnm-device-plugin-wwan.so)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6707] Loaded device plugin: NMAtmManager (/usr/lib/x86_64-linux-gnu/NetworkManager/1.14.6/libnm-device-plugin-adsl.so)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6734] Loaded device plugin: NMWifiFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.14.6/libnm-device-plugin-wifi.so)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6776] Loaded device plugin: NMTeamFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.14.6/libnm-device-plugin-team.so)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6786] wifi-nl80211: (wlxd4d2d61b8a0a): using nl80211 for WiFi device control
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6801] device (lo): carrier: link connected
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6806] manager: (lo): new Generic device (/org/freedesktop/NetworkManager/Devices/1)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.6822] manager: (wlxd4d2d61b8a0a): new 802.11 WiFi device (/org/freedesktop/NetworkManager/Devices/2)
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7013] device (wlxd4d2d61b8a0a): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Nov  6 23:42:05 BunsenBook kernel: [    8.418212] IPv6: ADDRCONF(NETDEV_UP): wlxd4d2d61b8a0a: link is not ready
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7095] device (wlxd4d2d61b8a0a): set-hw-addr: set MAC address to 12:68:C4:8C:04:02 (scanning)
Nov  6 23:42:05 BunsenBook kernel: [    8.422867] IPv6: ADDRCONF(NETDEV_UP): wlxd4d2d61b8a0a: link is not ready
Nov  6 23:42:05 BunsenBook kernel: [    8.430424] IPv6: ADDRCONF(NETDEV_UP): wlxd4d2d61b8a0a: link is not ready
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7319] bluez: use BlueZ version 5
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7331] modem-manager: ModemManager available
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7383] supplicant: wpa_supplicant running
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7384] device (wlxd4d2d61b8a0a): supplicant interface state: init -> starting
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7456] bluez5: NAP: added interface D4:D2:D6:1B:B1:1A
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7859] sup-iface[0x564997147160,wlxd4d2d61b8a0a]: supports 4 scan SSIDs
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7882] device (wlxd4d2d61b8a0a): supplicant interface state: starting -> ready
Nov  6 23:42:05 BunsenBook NetworkManager[432]: <info>  [1604706125.7884] device (wlxd4d2d61b8a0a): state change: unavailable -> disconnected (reason 'supplicant-available', sys-iface-state: 'managed')
Nov  6 23:42:05 BunsenBook kernel: [    8.505212] IPv6: ADDRCONF(NETDEV_UP): wlxd4d2d61b8a0a: link is not ready
Nov  6 23:42:06 BunsenBook systemd[1]: Started Network Time Service.
Nov  6 23:42:06 BunsenBook systemd[1]: Started Network Manager Script Dispatcher Service.
Nov  6 23:42:06 BunsenBook NetworkManager[432]: <info>  [1604706126.8671] manager: startup complete
Nov  6 23:42:06 BunsenBook systemd[1]: Started Network Manager Wait Online.
Nov  6 23:42:06 BunsenBook systemd[1]: Reached target Network is Online.
Nov  6 23:42:08 BunsenBook systemd[639]: Listening on GnuPG network certificate management daemon.
Nov  6 23:42:16 BunsenBook systemd[1]: NetworkManager-dispatcher.service: Succeeded.
Nov  6 23:42:18 BunsenBook systemd[682]: Listening on GnuPG network certificate management daemon.
Nov  6 23:42:22 BunsenBook NetworkManager[432]: <info>  [1604706142.1938] agent-manager: req[0x5649971ce280, :1.43/org.freedesktop.nm-applet/1000]: agent registered
Nov  6 23:42:26 BunsenBook blueman-mechanism: loading Network 
Nov  6 23:42:31 BunsenBook systemd[639]: Closed GnuPG network certificate management daemon.
root@BunsenBook:/home/sui# rfkill list
0: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no
1: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
root@BunsenBook:/home/sui# 

I reset the syslog (backed up original) before running the commands mentioned in the other thread (sorry I didn't see those instructions to start with!) otherwise it would've been obscenely long. The above is a clean log from a fresh boot.

Thank you for your continued help. smile

Su1

Last edited by Su1_Gener1s (2020-11-06 23:41:26)

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#6 2020-11-07 01:21:53

rbh
Member
From: Sweden/Vasterbotten/Rusfors
Registered: 2016-08-11
Posts: 750

Re: [SOLVED] Realtek WiFi Issues

Ok, so you knew, that it was not correct procedure to delete firmware, instead of uninstalling.

lspci, does not detect your wifichip.

lsusb, reports 0bda:b720, that is RTL8723BU.

You do not have an usb wifi dongle attached? If not, your wifi-card is wired to the usb-bus...

Your logs, report failure to load firmware for bluetooth but sucess for wifidriver. But the wifi-driver is not loaded acording to inxi...

You could make an workaround, by an usb wifi-dongle, known to work with linux.

If you want to continue, i recommend you try both firmware and kernel from backports.

You can investigate difference in logs and lsusb/lspci commands from Live Mint and Lithium.


// Regards rbh

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#7 2020-11-07 10:16:46

ohnonot
...again
Registered: 2015-09-29
Posts: 5,019
Website

Re: [SOLVED] Realtek WiFi Issues

First things first: Don't be root when you don't need to.

Looks like you're cursed with one of those realtek adapters that require a special driver.
I'm not sure Debian succeeded in finding the correct firmware for it.
Please repeat the lsusb command with the '-v' switch (you might need su privileges for that); from what I can see you either have rtl8723b or rtl8723bu.
A web search for the latter.

I'm no sure whether the official backported newer kernel would help here; can't hurt, I'd say.

PS:

I've got the firmware-realtek package installed which I recently changed over to the backports edition with the same result, have since deleted the Realtek firmware directory and reverted to the original Lithium/Buster version.

You're going to have a hard time fixing that - deleting files that were installed by apt, instead of uninstalling them.


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#8 2020-11-07 15:24:19

DeepDayze
Like sands through an hourglass...
From: In Linux Land
Registered: 2017-05-28
Posts: 1,031

Re: [SOLVED] Realtek WiFi Issues

rbh wrote:

Ok, so you knew, that it was not correct procedure to delete firmware, instead of uninstalling.

lspci, does not detect your wifichip.

lsusb, reports 0bda:b720, that is RTL8723BU.

You do not have an usb wifi dongle attached? If not, your wifi-card is wired to the usb-bus...

Your logs, report failure to load firmware for bluetooth but sucess for wifidriver. But the wifi-driver is not loaded acording to inxi...

You could make an workaround, by an usb wifi-dongle, known to work with linux.

If you want to continue, i recommend you try both firmware and kernel from backports.

You can investigate difference in logs and lsusb/lspci commands from Live Mint and Lithium.

For the RTL8723BU it should be in the Buster Realtek firmware package:

https://packages.debian.org/buster/firmware-realtek

If lsusb is not detecting it properly it may be an oddball revision not in the fw package yet.

And agreed on that: don't touch any fw blobs in the /lib/firmware directory, unless you know what you are doing wink

Last edited by DeepDayze (2020-11-07 15:24:52)


Real Men Use Linux

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#9 2020-11-07 16:50:00

rbh
Member
From: Sweden/Vasterbotten/Rusfors
Registered: 2016-08-11
Posts: 750

Re: [SOLVED] Realtek WiFi Issues

DeepDayze wrote:

For the RTL8723BU it should be in the Buster Realtek firmware package:
https://packages.debian.org/buster/firmware-realtek

The buster package is from 20190114. Buster-backports is from 20200918...


// Regards rbh

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#10 2020-11-07 23:51:19

Su1_Gener1s
Member
Registered: 2020-11-01
Posts: 10

Re: [SOLVED] Realtek WiFi Issues

The output of lsusb -v, as requested

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 
  bDeviceProtocol         3 
  bMaxPacketSize0         9
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0003 3.0 root hub
  bcdDevice            4.19
  iManufacturer           3 Linux 4.19.0-12-amd64 xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:00:15.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x001f
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
        bMaxBurst               0
Hub Descriptor:
  bLength              12
  bDescriptorType      42
  nNbrPorts             7
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  bHubDecLat          0.0 micro seconds
  wHubDelay             0 nano seconds
  DeviceRemovable    0x00
 Hub Port Status:
   Port 1: 0000.02a0 5Gbps power Rx.Detect
   Port 2: 0000.02a0 5Gbps power Rx.Detect
   Port 3: 0000.02a0 5Gbps power Rx.Detect
   Port 4: 0000.02a0 5Gbps power Rx.Detect
   Port 5: 0000.02a0 5Gbps power Rx.Detect
   Port 6: 0000.02a0 5Gbps power Rx.Detect
   Port 7: 0000.02a0 5Gbps power Rx.Detect
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength       0x000f
  bNumDeviceCaps          1
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x02
      Latency Tolerance Messages (LTM) Supported
    wSpeedsSupported   0x0008
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   3
      Lowest fully-functional device speed is SuperSpeed (5Gbps)
    bU1DevExitLat          10 micro seconds
    bU2DevExitLat         512 micro seconds
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0001
  Self Powered

Bus 001 Device 004: ID 058f:5608 Alcor Micro Corp. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x058f Alcor Micro Corp.
  idProduct          0x5608 
  bcdDevice            0.06
  iManufacturer           3 Alcor Micro, Corp.
  iProduct                1 USB 2.0 Camera
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x016b
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              200mA
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         0
      bInterfaceCount         2
      bFunctionClass         14 Video
      bFunctionSubClass       3 Video Interface Collection
      bFunctionProtocol       0 
      iFunction               1 USB 2.0 Camera
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      1 Video Control
      bInterfaceProtocol      0 
      iInterface              1 USB 2.0 Camera
      VideoControl Interface Descriptor:
        bLength                13
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdUVC               1.00
        wTotalLength       0x0055
        dwClockFrequency       30.000000MHz
        bInCollection           1
        baInterfaceNr( 0)       1
      VideoControl Interface Descriptor:
        bLength                18
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             1
        wTerminalType      0x0201 Camera Sensor
        bAssocTerminal          0
        iTerminal               0 
        wObjectiveFocalLengthMin      0
        wObjectiveFocalLengthMax      0
        wOcularFocalLength            0
        bControlSize                  3
        bmControls           0x0000000a
          Auto-Exposure Mode
          Exposure Time (Absolute)
      VideoControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             3
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               6
        iTerminal               0 
      VideoControl Interface Descriptor:
        bLength                 7
        bDescriptorType        36
        bDescriptorSubtype      4 (SELECTOR_UNIT)
        bUnitID                 4
        bNrInPins               1
        baSource( 0)            1
        iSelector               0 
      VideoControl Interface Descriptor:
        bLength                11
        bDescriptorType        36
        bDescriptorSubtype      5 (PROCESSING_UNIT)
      Warning: Descriptor too short
        bUnitID                 5
        bSourceID               4
        wMaxMultiplier      32208
        bControlSize            2
        bmControls     0x0000157f
          Brightness
          Contrast
          Hue
          Saturation
          Sharpness
          Gamma
          White Balance Temperature
          Backlight Compensation
          Power Line Frequency
          White Balance Temperature, Auto
        iProcessing             0 
        bmVideoStandards     0x1b
          None
          NTSC - 525/60
          SECAM - 625/50
          NTSC - 625/50
      VideoControl Interface Descriptor:
        bLength                27
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 6
        guidExtensionCode         {a7974c56-a77e-4b90-8cbf-1c71ec303000}
        bNumControl            16
        bNrPins                 1
        baSourceID( 0)          5
        bControlSize            2
        bmControls( 0)       0xff
        bmControls( 1)       0xff
        iExtension              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval              15
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      VideoStreaming Interface Descriptor:
        bLength                            14
        bDescriptorType                    36
        bDescriptorSubtype                  1 (INPUT_HEADER)
        bNumFormats                         1
        wTotalLength                   0x00b7
        bEndPointAddress                  129
        bmInfo                              0
        bTerminalLink                       3
        bStillCaptureMethod                 0
        bTriggerSupport                     0
        bTriggerUsage                       0
        bControlSize                        1
        bmaControls( 0)                     0
      VideoStreaming Interface Descriptor:
        bLength                            27
        bDescriptorType                    36
        bDescriptorSubtype                  4 (FORMAT_UNCOMPRESSED)
        bFormatIndex                        1
        bNumFrameDescriptors                4
        guidFormat                            {32595559-0000-0010-8000-00aa00389b71}
        bBitsPerPixel                      16
        bDefaultFrameIndex                  1
        bAspectRatioX                       0
        bAspectRatioY                       0
        bmInterlaceFlags                 0x00
          Interlaced stream or variable: No
          Fields per frame: 2 fields
          Field 1 first: No
          Field pattern: Field 1 only
        bCopyProtect                        0
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         1
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            640
        wHeight                           480
        dwMinBitRate                 73728000
        dwMaxBitRate                147456000
        dwMaxVideoFrameBufferSize      614400
        dwDefaultFrameInterval         333332
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333332
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         2
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            320
        wHeight                           240
        dwMinBitRate                 18432000
        dwMaxBitRate                 36864000
        dwMaxVideoFrameBufferSize      153600
        dwDefaultFrameInterval         333332
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333332
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         3
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            160
        wHeight                           120
        dwMinBitRate                  4608000
        dwMaxBitRate                  9216000
        dwMaxVideoFrameBufferSize       38400
        dwDefaultFrameInterval         333332
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333332
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         4
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            640
        wHeight                           360
        dwMinBitRate                 55296000
        dwMaxBitRate                110592000
        dwMaxVideoFrameBufferSize      460800
        dwDefaultFrameInterval         333332
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333332
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                             6
        bDescriptorType                    36
        bDescriptorSubtype                 13 (COLORFORMAT)
        bColorPrimaries                     1 (BT.709,sRGB)
        bTransferCharacteristics            1 (BT.709)
        bMatrixCoefficients                 4 (SMPTE 170M (BT.601))
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x1400  3x 1024 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       2
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x1400  3x 1024 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       3
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x1400  3x 1024 bytes
        bInterval               1
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  bNumConfigurations      1
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0000
  (Bus Powered)

Bus 001 Device 003: ID 0bda:b720 Realtek Semiconductor Corp. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x0bda Realtek Semiconductor Corp.
  idProduct          0xb720 
  bcdDevice            2.00
  iManufacturer           1 Realtek
  iProduct                2 802.11n WLAN Adapter
  iSerial                 3 00e04c000001
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x00ec
    bNumInterfaces          3
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              500mA
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         0
      bInterfaceCount         2
      bFunctionClass        224 Wireless
      bFunctionSubClass       1 Radio Frequency
      bFunctionProtocol       1 Bluetooth
      iFunction               4 Bluetooth Radio
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              4 Bluetooth Radio
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval               4
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              4 Bluetooth Radio
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0000  1x 0 bytes
        bInterval               4
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0000  1x 0 bytes
        bInterval               4
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              4 Bluetooth Radio
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0009  1x 9 bytes
        bInterval               4
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0009  1x 9 bytes
        bInterval               4
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       2
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              4 Bluetooth Radio
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0011  1x 17 bytes
        bInterval               4
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0011  1x 17 bytes
        bInterval               4
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       3
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              4 Bluetooth Radio
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0019  1x 25 bytes
        bInterval               4
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0019  1x 25 bytes
        bInterval               4
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       4
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              4 Bluetooth Radio
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0021  1x 33 bytes
        bInterval               4
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0021  1x 33 bytes
        bInterval               4
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       5
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              4 Bluetooth Radio
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0031  1x 49 bytes
        bInterval               4
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0031  1x 49 bytes
        bInterval               4
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       0
      bNumEndpoints           6
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              2 802.11n WLAN Adapter
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x05  EP 5 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x06  EP 6 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x87  EP 7 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               3
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x08  EP 8 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x09  EP 9 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength       0x000c
  bNumDeviceCaps          1
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000002
      HIRD Link Power Management (LPM) Supported
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0001
  Self Powered

Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          255 Vendor Specific Class
  bDeviceSubClass       255 Vendor Specific Subclass
  bDeviceProtocol       255 Vendor Specific Protocol
  bMaxPacketSize0        64
  idVendor           0x0bda Realtek Semiconductor Corp.
  idProduct          0x0129 RTS5129 Card Reader Controller
  bcdDevice           39.60
  iManufacturer           1 Generic
  iProduct                2 USB2.0-CRW
  iSerial                 3 20100201396000000
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0027
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          4 CARD READER
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      6 
      bInterfaceProtocol     80 
      iInterface              5 Bulk-In, Bulk-Out, Interface
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0003  1x 3 bytes
        bInterval              10
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  bNumConfigurations      1
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0000
  (Bus Powered)

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
  bcdDevice            4.19
  iManufacturer           3 Linux 4.19.0-12-amd64 xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:00:15.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0019
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
Hub Descriptor:
  bLength              11
  bDescriptorType      41
  nNbrPorts             8
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
    TT think time 8 FS bits
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x88 0x01
  PortPwrCtrlMask    0xff 0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0100 power
   Port 3: 0000.0100 power
   Port 4: 0000.0100 power
   Port 5: 0000.0100 power
   Port 6: 0000.0503 highspeed power enable connect
   Port 7: 0000.0503 highspeed power enable connect
   Port 8: 0000.0503 highspeed power enable connect
can't get device qualifier: Resource temporarily unavailable
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0001
  Self Powered

I have since tried Tails 4.11 and the WiFi is working on there, but strangely the Bluetooth isn't, doesn't detect a device at all.

Su1

Offline

#11 2020-11-08 00:45:43

DeepDayze
Like sands through an hourglass...
From: In Linux Land
Registered: 2017-05-28
Posts: 1,031

Re: [SOLVED] Realtek WiFi Issues

rbh wrote:
DeepDayze wrote:

For the RTL8723BU it should be in the Buster Realtek firmware package:
https://packages.debian.org/buster/firmware-realtek

The buster package is from 20190114. Buster-backports is from 20200918...

Ahh my bad.

@Su1 do you have buster-backports enabled? You can try that version of the firmware-realtek package.


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#12 2020-11-08 01:01:00

Su1_Gener1s
Member
Registered: 2020-11-01
Posts: 10

Re: [SOLVED] Realtek WiFi Issues

DeepDayze wrote:

@Su1 do you have buster-backports enabled? You can try that version of the firmware-realtek package.

Installing the backports version with

sudo apt-get -t buster-backports install firmware-realtek

and then rebooting, gets the same results as the standard package. sad

Su1

Last edited by Su1_Gener1s (2020-11-08 01:01:26)

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#13 2020-11-08 09:17:54

ohnonot
...again
Registered: 2015-09-29
Posts: 5,019
Website

Re: [SOLVED] Realtek WiFi Issues

Su1_Gener1s wrote:

The output of lsusb -v, as requested

The bit we're interested in:

Bus 001 Device 003: ID 0bda:b720 Realtek Semiconductor Corp. 
(...)
  idVendor           0x0bda Realtek Semiconductor Corp.
  idProduct          0xb720 
  bcdDevice            2.00
  iManufacturer           1 Realtek
  iProduct                2 802.11n WLAN Adapter
  iSerial                 3 00e04c000001

The only unambiguous identifier is 0bda:b720. In the web searches I am doing on your behalf, I keep coming back to this repo. I think that's what you need to do.

It would appear that the firmware for rtl8723bu is in a Debian package, but not the driver.


Search youtube without a brwoser: repo | thread
BL quote proposals to this thread please.
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#14 2020-11-08 17:48:53

Su1_Gener1s
Member
Registered: 2020-11-01
Posts: 10

Re: [SOLVED] Realtek WiFi Issues

ohnonot wrote:

I keep coming back to this repo. I think that's what you need to do.

It would appear that the firmware for rtl8723bu is in a Debian package, but not the driver.

By Jiminy! That's it!

Going down the git and dkms route for the driver package you linked to worked! I now have proper inbuilt WiFi as well as Bluetooth!

You, Sir, are a genius, gentleman and a scholar!

Marked as solved & will be scribbling down some notes on this one!

Su1

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#15 2020-11-10 21:32:17

ohnonot
...again
Registered: 2015-09-29
Posts: 5,019
Website

Re: [SOLVED] Realtek WiFi Issues

Su1_Gener1s wrote:

You, Sir, are a genius, gentleman and a scholar!

Despite the male chauvinism that sounds very flattering, but I hope you took your lesson from that: all I did was a few web searches. I tend to always include the search phrases (and engine, because no bubble is important) in my replies, for OP's benefit.


Search youtube without a brwoser: repo | thread
BL quote proposals to this thread please.
my repos / my repos

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#16 2020-11-11 02:57:09

Su1_Gener1s
Member
Registered: 2020-11-01
Posts: 10

Re: [SOLVED] Realtek WiFi Issues

ohnonot wrote:

but I hope you took your lesson from that: all I did was a few web searches. I tend to always include the search phrases (and engine, because no bubble is important) in my replies, for OP's benefit.

I appreciate "all you did" was web searches, but a search engine is useless without knowing what to search for and sometimes you need the human element to cut through some of the confusion.

It is a little ironic to me sometimes that the majority of IT forums, not just limited to Linux, are full of people being told to "Google it", which would in effect mean that if all every problem took was that? The forums themselves would be redundant. tongue

Where as the human element from this problem has taught me a great many things in going forward, most importantly how to not only find but also utilise the information extracted from lspci/lsusb to find elusive hardware information, and surely that sharing and exchanging of knowledge is a major part of the Linux ethos, no? smile

I now have another card in my stack of Linux knowledge.

I stick by my thanks and compliment.

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#17 2020-11-12 11:25:41

rbh
Member
From: Sweden/Vasterbotten/Rusfors
Registered: 2016-08-11
Posts: 750

Re: [SOLVED] Realtek WiFi Issues

ohnonot wrote:

^ so, is your problem SOLVED now?
If not, please https://forums.bunsenlabs.org/viewtopic.php?id=24 (add 'lsusb' output where applicable)

That post should maybe be moved to Tutorials and add that som internal wificards shows up with lsusb?


// Regards rbh

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#18 2020-11-12 12:43:10

rbh
Member
From: Sweden/Vasterbotten/Rusfors
Registered: 2016-08-11
Posts: 750

Re: [SOLVED] Realtek WiFi Issues

Su1_Gener1s wrote:

It is a little ironic to me sometimes that the majority of IT forums, not just limited to Linux, are full of people being told to "Google it", which would in effect mean that if all every problem took was that? The forums themselves would be redundant. tongue

You was invited by ohnonot to share some reflections, not to debate the Forum Rules "If you are seeking help, make sure to have done your fair share of homework to the best of your ability by searching the forums or the internet before wasting other's time."

No, the forum will never be obsolete, if members make some effort of reading, forum, net, homepage and own logs before posting. A lot of unnecessary posts can be avoided thus. And, no not every problem can be solved so. But, it sure will ease the solvingprocess. That is the thought. Not just a modern variant of RTFM (Read the fucking manual).

And, another no: It is no Good tell people to use a searching engine thats is tracking you. like Google Does. Quite many thinks about it ande use "internet Search" instead. "Search the net, forum and hopmepage", is good.  "Search the net and forum and hopmepage", adding pointers and good advices, is even better. That is how it is here mostly.

But, I can agree, that the information here could be presented more structured and easier to find.

Last edited by rbh (2020-11-12 12:44:12)


// Regards rbh

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