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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 04-08-2021, 04:44 AM   #1
adilborekciler
LQ Newbie
 
Registered: May 2017
Posts: 4

Rep: Reputation: Disabled
POP_OS! Bluetooth Problem - IdeaPad Gaming 3


Hello,

I am using POP_OS! 20.04. I use windows 10 alongside with POP_OS! I use bluetooth mouse. I have searched on web and I found mostly "how do I block bluetooth on start up" topics.

My bluetooth mouse was working. When I boot my notebook It was enabling it and It was working automatically. Later I decided to install TLP (also TLPUI) to manage my notebook power usage etc. It worked well for awhile.

Later, Bluetooth was not starting automatically. I inspected the situation. Actually It was not about bluetooh device.

Code:
rfkill list
0: ideapad_wlan: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: ideapad_bluetooth: Bluetooth
	Soft blocked: yes
	Hard blocked: no
2: hci0: Bluetooth
	Soft blocked: yes
	Hard blocked: no
3: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
Something was soft blocking Bluetooth. Changed TLP settings. I have tried "saved state" or "enable bluetooth on start up". It continued to soft block even I changed it in TLP. Also I have checked bluetooth config file for "AutoEnable=true". It was there.
Bluetooth service is enabled.

When I check journalctl -b -u bluetooth
Code:
Nis 08 11:50:16 pop-os systemd[1]: Started Bluetooth service.
Nis 08 11:50:16 pop-os bluetoothd[951]: Starting SDP server
Nis 08 11:50:16 pop-os bluetoothd[951]: Bluetooth management interface 1.19 initialized
Nis 08 11:50:19 pop-os bluetoothd[951]: Failed to set mode: Blocked through rfkill (0x12)
Nis 08 11:51:23 pop-os bluetoothd[951]: Terminating
Nis 08 11:51:23 pop-os systemd[1]: Stopping Bluetooth service...
According to the this log, Something soft blocks bluetooth and bluetooth service was trying to start but can't due to rfkill soft block.
I solved it temporary. But I had to do same things on everytime I booted my notebook.

After logging my account openning terminal and
Code:
sudo rfkill unblock all
sudo service bluetooth restart
When I have done this my mouse automatically starts to work. But I was tired to do this every start up.
I decided to remove TLPUI and TLP. The problem is gone when I removed TLP, TLPUI. So I thought that TLP bugged or something. I continue to use my notebook without TLP. It worked fine for awhile.

But today it started again. When I boot my notebook rfkill soft blocks bluetooth.
I manually do "rfkill unblock all && service bluetooth restart"

Help me please
 
Old 04-08-2021, 03:18 PM   #2
adilborekciler
LQ Newbie
 
Registered: May 2017
Posts: 4

Original Poster
Rep: Reputation: Disabled
I figured that if I boot with old kernel "linux-image-5.8.0-7642-generic" It works
But if I boot with updated kernel "linux-image-5.11.0-7612-generic" It does not work, I have to rfkill unblock and bluetooth service restart
So how can I fix it?
 
  


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