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#1 2020-09-14 17:07:22

Danielsan
Member
Registered: 2020-07-14
Posts: 34  

[SOLVED] Bluetooth not working

Hi folks,

I just noticed that wireless connections, wifi and bluetooth, don't work. The wifi was fixed just reinstalling the iwlwifi-firmware package but the bluetooth is still not working and I don't understand why... Bluetooth works always fine with this laptop with Debian Testing and POP!_os as well, hence I am quite surprised.

Here some logs:

dmesg | grep iwl
[   13.601382] iwlwifi 0000:04:00.0: enabling device (0000 -> 0002)
[   13.630348] iwlwifi 0000:04:00.0: firmware: direct-loading firmware iwlwifi-8000C-36.ucode
[   13.630358] iwlwifi 0000:04:00.0: Found debug destination: EXTERNAL_DRAM
[   13.630359] iwlwifi 0000:04:00.0: Found debug configuration: 0
[   13.630665] iwlwifi 0000:04:00.0: loaded firmware version 36.79ff3ccf.0 8000C-36.ucode op_mode iwlmvm
[   13.630676] iwlwifi 0000:04:00.0: firmware: failed to load iwl-debug-yoyo.bin (-2)
[   13.630738] iwlwifi 0000:04:00.0: Direct firmware load for iwl-debug-yoyo.bin failed with error -2
[   13.764989] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208
[   13.772259] iwlwifi 0000:04:00.0: Applying debug destination EXTERNAL_DRAM
[   13.772378] iwlwifi 0000:04:00.0: Allocated 0x00400000 bytes for firmware monitor.
[   13.848856] iwlwifi 0000:04:00.0: base HW address: a4:34:d9:64:f8:ca
[   13.922880] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
[   19.537161] iwlwifi 0000:04:00.0: Applying debug destination EXTERNAL_DRAM
[   19.773408] iwlwifi 0000:04:00.0: Applying debug destination EXTERNAL_DRAM
[   19.861057] iwlwifi 0000:04:00.0: FW already configured (0) - re-configuring
sudo dmesg | grep hci0
[   23.633828] Bluetooth: hci0: Bootloader revision 0.0 build 2 week 52 2014
[   23.638840] Bluetooth: hci0: Device revision is 5
[   23.638841] Bluetooth: hci0: Secure boot is enabled
[   23.638841] Bluetooth: hci0: OTP lock is enabled
[   23.638842] Bluetooth: hci0: API lock is enabled
[   23.638842] Bluetooth: hci0: Debug lock is disabled
[   23.638843] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[   23.640553] bluetooth hci0: firmware: direct-loading firmware intel/ibt-11-5.sfi
[   23.640555] Bluetooth: hci0: Found device firmware: intel/ibt-11-5.sfi
[   23.671732] Bluetooth: hci0: Failed to send firmware data (-38)
[   23.671799] Bluetooth: hci0: Intel reset sent to retry FW download
[   88.771269] Bluetooth: hci0: command 0xfc05 tx timeout
[   88.771271] Bluetooth: hci0: Reading Intel version information failed (-110)
[   88.771273] Bluetooth: hci0: Intel Read version failed (-110)
[   88.771345] Bluetooth: hci0: Intel reset sent to retry FW download

RFKILL sees the the hardware:

sudo rfkill
ID TYPE      DEVICE      SOFT      HARD
 0 bluetooth hci0   unblocked unblocked
 1 wlan      phy0   unblocked unblocked 

But HCITOOL does not:

hcitool dev
Devices:

hcitool scan
Device is not available: No such device 

The Gentoo wiki suggests this but it didn't work:

sudo hciconfig hci0 up
Can't init device hci0: Connection timed out (110) 

I have not clues.... sad

Last edited by Danielsan (2020-09-16 04:12:37)

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#2 2020-09-16 05:31:50

Danielsan
Member
Registered: 2020-07-14
Posts: 34  

Re: [SOLVED] Bluetooth not working

Sorry I had a long reply but I messed up with Firefox and lost everything...

I used the bluetoothctl command to activate the discoverability of the bluetooth and then I was able to connect to my headphone with the Blueman applet.

1. bluetoothctl
2. discovarable on
3. scan on (to test it)
4. quit

That's it...

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