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ltade
n00b
Joined: 25 Sep 2022
Posts: 3
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 Posted: Sun Sep 25, 2022 2:29 pm Post subject: [SOLVED] Bluetooth workn't - No default controller available |
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Hello, new random gentoo user here, right now I'm trying to get my bluetooth working for my ThinkPad E15 laptop, which has built-in bluetooth, so i could use my bluetooth headphones. I'm on 5.15.69-gentoo kernel.
My sound output works just fine with ALSA, though i had problems with setting up pipewire or pulseaudio, which as i understand is required for bluetooth headphones to work. That being said, i doubt that not having working pipewire / pulseaudio causes the "No default controller available" error that i get from bluetoothctl.
all output from
sudo rfkill list:
| Code: | ID TYPE DEVICE SOFT HARD
0 wlan phy0 unblocked unblocked
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sudo lsmod | grep bluetooth:
| Code: | bluetooth 532480 6
ecdh_generic 16384 1 bluetooth
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sudo lspci | grep blue:
nothing
sudo hciconfig:
nothing
sudo hcitool dev:
sudo dmesg | grep Blue:
| Code: | [ 4.741212] Bluetooth: Core ver 2.22
[ 4.741235] Bluetooth: HCI device and connection manager initialized
[ 4.741240] Bluetooth: HCI socket layer initialized
[ 4.741242] Bluetooth: L2CAP socket layer initialized
[ 4.741245] Bluetooth: SCO socket layer initialized |
bluetoothctl scan on:
| Code: | | No default controller available |
All suggestions regarding this topic, would be appreciated, thank you 
Last edited by ltade on Sun Sep 25, 2022 4:51 pm; edited 1 time in total |
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alamahant
Advocate
Joined: 23 Mar 2019
Posts: 3879
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| Posted: Sun Sep 25, 2022 3:16 pm Post subject: |
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Hi
| Quote: |
sudo lspci | grep blue:
nothing
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Try
| Code: |
lsusb | grep -i blue
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And plz dpaste your .config
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ltade
n00b
Joined: 25 Sep 2022
Posts: 3
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| Posted: Sun Sep 25, 2022 3:36 pm Post subject: |
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Alright.
lsusb | grep -i blue
| Code: | | Bus 003 Device 003: ID 8087:0029 Intel Corp. AX200 Bluetooth |
https://dpaste.org/WNOeH
Also stupid question, why is my bluetooth device showing in lsusb? I would understand this if i used bluetooth usb dongle, but my bluetooth is "built-in".
Thanks for response |
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alamahant
Advocate
Joined: 23 Mar 2019
Posts: 3879
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| Posted: Sun Sep 25, 2022 3:51 pm Post subject: |
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You have
| Quote: |
# CONFIG_BT_HCIBTUSB is not set
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Plz use
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Kernel
In most cases enabling RFCOMM (CONFIG_BT_RFCOMM), HIDP (CONFIG_BT_HIDP), HCI USB (CONFIG_BT_HCIBTUSB) and/or HCI UART (CONFIG_BT_HCIUART) should be sufficient. The User-space I/O driver for HID input devices (CONFIG_UHID) should be enabled for Bluetooth keyboards and mice.
KERNEL Enabling Bluetooth support
[*] Networking support --->
<M> Bluetooth subsystem support --->
[*] Bluetooth Classic (BR/EDR) features
<*> RFCOMM protocol support
[ ] RFCOMM TTY support
< > BNEP protocol support
[ ] Multicast filter support
[ ] Protocol filter support
<*> HIDP protocol support
[*] Bluetooth High Speed (HS) features
[*] Bluetooth Low Energy (LE) features
Bluetooth device drivers --->
<M> HCI USB driver
<M> HCI UART driver
<*> RF switch subsystem support --->
Device Drivers --->
HID support --->
<*> User-space I/O driver support for HID subsystem
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from
https://wiki.gentoo.org/wiki/Bluetooth#Kernel
and rebuild the kernel.
Also you might need to configure iwlwifi
Plz see
https://wiki.gentoo.org/wiki/Iwlwifi#Kernel
and you definitely need
| Code: |
sys-kernel/linux-firmware
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ltade
n00b
Joined: 25 Sep 2022
Posts: 3
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| Posted: Sun Sep 25, 2022 4:09 pm Post subject: |
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Worked like a charm, the after i selected HCI USB driver and HCI UART driver, recompiled and rebooted
| Code: | [*] Networking support --->
<M> Bluetooth subsystem support --->
Bluetooth device drivers --->
<M> HCI USB driver
<M> HCI UART driver |
I previously ignored these options cause i tought this is support specifically for usb bluetooth dongles. I'm still confused why my bluetooth device counts as if it was connected via usb.
Anyways, Thank you very much  |
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alamahant
Advocate
Joined: 23 Mar 2019
Posts: 3879
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| Posted: Sun Sep 25, 2022 4:23 pm Post subject: |
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You are welcome and....
...Welcome to the Gentoo Forums!
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Hu
Moderator
Joined: 06 Mar 2007
Posts: 21631
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| Posted: Sun Sep 25, 2022 5:03 pm Post subject: |
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| Some vendors will include a feature, such as a Bluetooth device, on the motherboard but still use USB as the transport by which it communicates with the system. Such a device is not removable, but still requires kernel support for USB in order to function properly. |
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