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arcooke
Not applicable
Posts: 18
Registered: ‎08-31-2018
Location: US
Views: 1,770
Message 1 of 4

Anyone get bluetooth working in Linux on E485/E585? (RTL8822BE 0bda:b023)

I've been at this for a couple weeks now.  I cannot for the life of me get Bluetooth working on my E585.  It's a combo Wifi+BT m.2 card, Realtek RTL8822BE, device ID 0bda:b023

 

It's listed as certified by Ubuntu, but it flat-out will not work.  https://certification.ubuntu.com/catalog/component/usb/286/0bda%3Ab023/

 

I have pretty much the latest everything.  Kernel 4.18.5, latest firmware, etc.  I have a thread open on ubuntuforums.org with lots of details.

 

https://ubuntuforums.org/showthread.php?t=2399809

 

I'm about to just give up on it and order a new wifi+bt card.. but obviously I'd prefer to resolve this.

fnord
Not applicable
Posts: 2
Registered: ‎09-15-2018
Location: DE
Views: 1,557
Message 2 of 4

Re: Anyone get bluetooth working in Linux on E485/E585? (RTL8822BE 0bda:b023)

Same issue on A485 with the exact same card and Linux kernel 4.19-rc5.
borrisl
Not applicable
Posts: 8
Registered: ‎11-29-2009
Location: US
Views: 1,216
Message 3 of 4

Re: Anyone get bluetooth working in Linux on E485/E585? (RTL8822BE 0bda:b023)

Strange behavior indeed. If I boot from power on -> bluetooth does not work. But if I suspend, then wake, it does.

 

I tried disabling and re-enabling the radio, but it seems that it is a warm start that triggers the bluetooth to be discovered.

jeremy972
Not applicable
Posts: 42
Registered: ‎10-12-2011
Location: US
Views: 1,195
Message 4 of 4

Re: Anyone get bluetooth working in Linux on E485/E585? (RTL8822BE 0bda:b023)

People using Ubuntu 18.04 with the 4.15 kernel can try my fix at https://github.com/jeremyb31/newbtfix-4.15

I just added the 0bda:b023 ID to the btusb.c source code

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