Bluetooth doesn't enable

[C0D3-M4513R]

Creating a bug report/issue

Required Information

• DietPi version | v6.34.3 (MichaIng/master) | HW_MODEL: 4 | HW_ARCH: 3 | DISTRO: 5
• Distro version | buster
• Kernel version | Linux DietPi 5.10.5-v8+ #1392 SMP PREEMPT Sat Jan 9 18:56:30 GMT 2021 aarch64 GNU/Linux
• SBC model | RPi 4 Model B (aarch64)
• Power supply used | Official 5v3a Pi psu
• SDcard used | SanDisk ulta, I think

Additional Information (if applicable)

• Software title | N/A
• Was the software title installed freshly or updated/migrated?
  Fresh install
• Can this issue be replicated on a fresh installation of DietPi?

• Bug report ID | 75437122-e1e9-436c-9a03-230366fd58c2

Steps to reproduce

1. go to dietpi-config-> Advanced-> Bluetooth
2. Try to toggle to on

Expected behaviour

Bluetooth should work

Actual behaviour

Some error is popping up

Extra details

Job for hciuart.service failed because the control process exited with error code.
See "systemctl status hciuart.service" and "journalctl -xe" for details.

• Date | Wed Jan 20 19:36:22 CET 2021
• Bug report | 75437122-e1e9-436c-9a03-230366fd58c2
• DietPi version | v6.34.3 (MichaIng/master)
• Image creator | DietPi Core Team
• Pre-image | Raspberry Pi OS 64-bit
• Hardware | RPi 4 Model B (aarch64) (ID=4)
• Kernel version | Linux DietPi 5.10.5-v8+ DietPi-Prep | Minor APT package adjustments #1392 SMP PREEMPT Sat Jan 9 18:56:30 GMT 2021 aarch64 GNU/Linux
• Distro | buster (ID=5,RASPBIAN=0)
• Command | systemctl enable --now hciuart
• Exit code | 1
• Software title | DietPi-Set_hardware

root@DietPi:~# systemctl status hciuart.service
● hciuart.service - Configure Bluetooth Modems connected by UART
   Loaded: loaded (/lib/systemd/system/hciuart.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2021-01-20 19:36:22 CET; 9min ago
  Process: 2435 ExecStart=/usr/bin/btuart (code=exited, status=1/FAILURE)

Jan 20 19:35:52 DietPi systemd[1]: Starting Configure Bluetooth Modems connected by UART...
Jan 20 19:36:22 DietPi btuart[2435]: Initialization timed out.
Jan 20 19:36:22 DietPi btuart[2435]: bcm43xx_init
Jan 20 19:36:22 DietPi systemd[1]: hciuart.service: Control process exited, code=exited, status=1/FAILURE
Jan 20 19:36:22 DietPi systemd[1]: hciuart.service: Failed with result 'exit-code'.
Jan 20 19:36:22 DietPi systemd[1]: Failed to start Configure Bluetooth Modems connected by UART.
root@DietPi:~# journalctl -u hciuart
-- Logs begin at Thu 2019-02-14 11:11:58 CET, end at Wed 2021-01-20 19:46:15 CET. --
Jan 20 19:29:15 DietPi systemd[1]: Starting Configure Bluetooth Modems connected by UART...
Jan 20 19:29:22 DietPi btuart[290]: Can't set line discipline: Invalid argument
Jan 20 19:29:22 DietPi btuart[290]: Can't initialize device: Invalid argument
Jan 20 19:29:22 DietPi btuart[290]: bcm43xx_init
Jan 20 19:29:22 DietPi btuart[290]: Flash firmware /lib/firmware/brcm/BCM4345C0.hcd
Jan 20 19:29:22 DietPi btuart[290]: Set Controller UART speed to 3000000 bit/s
Jan 20 19:29:22 DietPi systemd[1]: hciuart.service: Control process exited, code=exited, status=1/FAILURE
Jan 20 19:29:22 DietPi systemd[1]: hciuart.service: Failed with result 'exit-code'.
Jan 20 19:29:22 DietPi systemd[1]: Failed to start Configure Bluetooth Modems connected by UART.
Jan 20 19:30:30 DietPi systemd[1]: Starting Configure Bluetooth Modems connected by UART...
Jan 20 19:31:00 DietPi btuart[1880]: Initialization timed out.
Jan 20 19:31:00 DietPi btuart[1880]: bcm43xx_init
Jan 20 19:31:00 DietPi systemd[1]: hciuart.service: Control process exited, code=exited, status=1/FAILURE
Jan 20 19:31:00 DietPi systemd[1]: hciuart.service: Failed with result 'exit-code'.
Jan 20 19:31:00 DietPi systemd[1]: Failed to start Configure Bluetooth Modems connected by UART.
Jan 20 19:35:52 DietPi systemd[1]: Starting Configure Bluetooth Modems connected by UART...
Jan 20 19:36:22 DietPi btuart[2435]: Initialization timed out.
Jan 20 19:36:22 DietPi btuart[2435]: bcm43xx_init
Jan 20 19:36:22 DietPi systemd[1]: hciuart.service: Control process exited, code=exited, status=1/FAILURE
Jan 20 19:36:22 DietPi systemd[1]: hciuart.service: Failed with result 'exit-code'.
Jan 20 19:36:22 DietPi systemd[1]: Failed to start Configure Bluetooth Modems connected by UART. 

First start is from boot time. After that I did modprobe bnep.
#3018

[C0D3-M4513R]

Ok, dunno what I did wrong. After a while (and a reboot) it fixed itself? I don't know, what fixed it. Will keep it open, in case it breaks again at the next reboot. If there is no update in the future, close this.

Ok, I rebooted again (other issue), but everything bluetooth service wise was working as expected. Dunno, why this hiccup happened. Will mark it off as some computer wierdness.

[MichaIng]

We need to remove the forced start of hciuart service. If Bluetooth was disabled before, this is doomed to fail as the Bluetooth-UART device is not available in the device tree until a reboot. It's the same with RPi onboard WiFi.

[MichaIng]

Forced service start removed: ad559c3
Reboot prompt appears now in dietpi-config when Bluetooth is enabled on RPi with onboard Bluetooth adapter: 52c348e