[Solved] RTL8821CE PCIe dual wireless - Bluetooth - not working

BW0e_Alin · 2018-12-01 20:33:39

EDIT: Partially solved by shutting down and booting up arch every time bluetooth or wifi are not working, and also blacklisting ideapad_laptop module, which is not an ideeal solution for me - will come back to arch when drivers support is better.

Hello everyone,

I am having an issue with the adapter mentioned in the subject. I did find the firmware and managed to install it, but the Bluetooth part of the adapter does not work.

I used the following source for the firmware (AUR) since it did not work out of the box:

rtl8821ce-dkms-git 1.0.1.r16.g3d9dd1f-1

My system's kernel version: Linux archlinux 4.14.84-1-lts #1 SMP Tue Nov 27 19:29:28 CET 2018 x86_64 GNU/Linux

lsusb; rfkill list output

ID TYPE      DEVICE                 SOFT      HARD
 0 wlan      ideapad_wlan      unblocked unblocked
 1 bluetooth ideapad_bluetooth unblocked unblocked
 3 wlan      phy0              unblocked unblocked
 4 bluetooth hci0              unblocked unblocked

lsusb output

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 13d3:5a02 IMC Networks 
Bus 001 Device 003: ID 0bda:c024 Realtek Semiconductor Corp. 
Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

rfkill list all output

0: ideapad_wlan: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: ideapad_bluetooth: Bluetooth
	Soft blocked: no
	Hard blocked: no
3: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no

systemctl status bluetooth output

● bluetooth.service - Bluetooth service
   Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset: disabled)
   Active: active (running) since Sat 2018-12-01 20:00:01 EET; 2h 13min ago
     Docs: man:bluetoothd(8)
 Main PID: 371 (bluetoothd)
   Status: "Running"
    Tasks: 1 (limit: 4915)
   Memory: 2.6M
   CGroup: /system.slice/bluetooth.service
           └─371 /usr/lib/bluetooth/bluetoothd

Dec 01 20:00:00 archlinux systemd[1]: Starting Bluetooth service...
Dec 01 20:00:01 archlinux bluetoothd[371]: Bluetooth daemon 5.50
Dec 01 20:00:01 archlinux systemd[1]: Started Bluetooth service.
Dec 01 20:00:01 archlinux bluetoothd[371]: Starting SDP server
Dec 01 20:00:01 archlinux bluetoothd[371]: Bluetooth management interface 1.14 initialized
Dec 01 20:00:09 archlinux bluetoothd[371]: No Bluetooth address for index 0
Dec 01 20:36:30 archlinux bluetoothd[371]: Ignoring index removal for a non-existent adapter
Dec 01 20:36:41 archlinux bluetoothd[371]: No Bluetooth address for index 0

lsmod | grep blue output

bluetooth             626688  13 btrtl,btintel,btbcm,bnep,btusb,rtk_btusb
ecdh_generic           24576  1 bluetooth
rfkill                 28672  9 bluetooth,ideapad_laptop,cfg80211
crc16                  16384  2 bluetooth,ext4

I also get this in bluetoothctl

 
Agent registered
[bluetooth]# devices
No default controller available
[bluetooth]# power on
No default controller available
[bluetooth]# list
[bluetooth]#

The adapter worked under Windows 10 and Ubuntu 18.04.

I also disabled the fast/quick boot option in the bios.

I did follow the procedure from Bluetooth - ArkWiki and installed everything.

I kept finding posts in forums regarding RTL8821CE and saw the potential solutions but they were issues related to Ubuntu, where, weirdly, it worked for me.

I also found something regarding a hardware switch for the adapter, but I only have a button to switch to airplane mode (F7 used with Fn).

Can you please help me get this up (that's what he said)?

Or at least point me to the right direction?

Thank you very much,
Alin

Last edited by BW0e_Alin (2018-12-09 13:32:30)

Booming · 2018-12-01 23:43:13

Hey there, also a newbie here.
So take this with a grain of salt. I have got the same wireless chipset on my laptop and get more or less the same outputs as you, however the output of bluetoothctl was differnt. I saw my smartphone which has been paired with the laptop running the command devices and I got a device when running the command list in bluetoothctl.
I am assuming your Wifi works? If this does not work either, have you installed the kernel headers?
I hope that helps.
Greetings,
Booming

Last edited by Booming (2018-12-01 23:45:39)

Arch Linux

#1 2018-12-01 20:33:39

[Solved] RTL8821CE PCIe dual wireless - Bluetooth - not working

#2 2018-12-01 23:43:13

Re: [Solved] RTL8821CE PCIe dual wireless - Bluetooth - not working

Board footer