https://bugs.kde.org/show_bug.cgi?id=519870
Bug ID: 519870
Summary: Bluetooth won't connect to any devices won't scan NEW
install
Classification: Plasma
Product: plasmashell
Version First 6.3.6
Reported In:
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: critical
Priority: NOR
Component: Bluetooth in general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: 1.0
Created attachment 192094
--> https://bugs.kde.org/attachment.cgi?id=192094&action=edit
Scanning for new Bluetooth devices blank screen
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SUMMARY
STEPS TO REPRODUCE
1. Do a fresh install of KDE Plasma on the HP Probook 640 G4 laptop
2. install KDE Plasma 6.3.6
3.
OBSERVED RESULT
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Windows:
macOS:
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma:
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
So this is an issue with the Bluetooth on a BRAND NEW
Fresh install.
THis is a HP Probook 640 G4 laptop that I am installing this on
It is running KDE Plasma 6.3.6 KDE Framework Version 6.13.0 QT version 6.8.2
Using Wayland. This is a FRESH brand NEW install.
Running Debian 13.4
uname -a
Linux security 6.12.85+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.85-1
(2026-04-30) x86_64 GNU/Linux
The bluetooth is not working out of the box on a brand new FRESH install
I am looking in the logs and there is nothing showing up in /var/log/syslog and
/var/log/messages
either.
The Bluetooth won;t connect to multiple different bluetooth devices it seems
like it wont connect
to any devices. I have tried TWO different bluetooth devices here I have a
bluetooth speaker
and it won't connect to it and i have a set of bluetooth earbuds well here and
it won't connect
to them either! you try and scan for new devices and the devices are not
showing up.
no devices are showing up.
This is a fresh install and the bluetooth isn't even working. I am about sick
of KDE Plasma at this
point I am not new to debian been running it on various machines for years and
years probably over 25 years.
YOu click on the bluetooth icon down in the system tray in the bottom right
corner and
then you click on pair on device and the screen is empty no bluetooth devices
ever show up in there on
a fresh brand new install.
And yes I have the firmware-intel-misc and firmware-iwlwifi installed
Still nothing I can't connect to any bluetooth devices
https://ibb.co/Fkgk5GcV
The devices are not blocked either if I do an rfkill it shows that they
are not blocked
rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
This is all I am seeing in my /var/log/syslog
May 6 18:03:17 security kernel: Bluetooth: Core ver 2.22
May 6 18:03:17 security kernel: NET: Registered PF_BLUETOOTH protocol family
May 6 18:03:17 security kernel: Bluetooth: HCI device and connection manager
initialized
May 6 18:03:17 security kernel: Bluetooth: HCI socket layer initialized
May 6 18:03:17 security kernel: Bluetooth: L2CAP socket layer initialized
May 6 18:03:17 security kernel: Bluetooth: SCO socket layer initialized
May 6 18:03:17 security kernel: mei_hdcp
0000:00:16.0-b638ab7e-94e2-4ea2-a552-d1c54b627f04: bound 0000:00:02.0 (ops
i915_hdcp_ops [i915])
May 6 18:03:17 security kernel: Loaded X.509 cert '[email protected]:
577e021cb980e0e820821ba7b54b4961b8b4fadf'
May 6 18:03:17 security kernel: Loaded X.509 cert '[email protected]:
3abbc6ec146e09d1b6016ab9d6cf71dd233f0328'
May 6 18:03:17 security kernel: Loaded X.509 cert 'sforshee:
00b28ddf47aef9cea7'
May 6 18:03:17 security kernel: Loaded X.509 cert 'wens:
61c038651aabdcf94bd0ac7ff06c7248db18c600'
This is all that is showing up in /var/log/messages
May 6 18:03:17 security kernel: Intel(R) Wireless WiFi driver for Linux
May 6 18:03:17 security kernel: iwlwifi 0000:01:00.0: enabling device (0000 ->
0002)
May 6 18:03:17 security kernel: usbcore: registered new interface driver btusb
May 6 18:03:17 security kernel: Bluetooth: hci0: Firmware revision 0.1 build
19 week 44 2021
May 6 18:03:17 security kernel: usb 1-9: Found UVC 1.00 device HP HD Camera
(04ca:706e)
May 6 18:03:17 security kernel: Bluetooth: hci0: Error reading debug features
May 6 18:03:17 security kernel: Bluetooth: hci0: HCI LE Coded PHY feature bit
is set, but its usage is not supported.
May 6 18:03:17 security kernel: iwlwifi 0000:01:00.0: Detected crf-id
0xbadcafe, cnv-id 0x10 wfpm id 0x80000000
May 6 18:03:17 security kernel: iwlwifi 0000:01:00.0: PCI dev 24fd/1010,
rev=0x230, rfid=0xd55555d5
May 6 18:03:17 security kernel: iwlwifi 0000:01:00.0: Detected Intel(R) Dual
Band Wireless AC 8265
May 6 18:03:18 security kernel: usbcore: registered new interface driver
uvcvideo
May 6 18:03:18 security kernel: snd_hda_intel 0000:00:1f.3: enabling device
(0000 -> 0002)
May 6 18:03:18 security kernel: snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0
(ops i915_audio_component_bind_ops [i915])
May 6 18:03:18 security kernel: iwlwifi 0000:01:00.0: loaded firmware version
36.ca7b901d.0 8265-36.ucode op_mode iwlmvm
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0: CX8200:
BIOS auto-probing.
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0: autoconfig
for CX8200: line_outs=1 (0x16/0x0/0x0/0x0/0x0) type:line
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0:
speaker_outs=1 (0x17/0x0/0x0/0x0/0x0)
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0:
hp_outs=1 (0x1d/0x0/0x0/0x0/0x0)
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0: mono:
mono_out=0x0
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0: inputs:
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0:
Mic=0x19
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0:
Internal Mic=0x1a
May 6 18:03:18 security kernel: snd_hda_codec_conexant hdaudioC0D0:
Line=0x18
You can see hcl0 it isn't soft or hard blocked at all
I mean there is nothing in /var/log/messages either and no error messages so
don't ask me
for them because nothing is showing up in my log files!!
FYI I am a trained network admin myself.
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