NO BLUETOOTH after Upgrading to LMDE6 (RTL8191SEvA)

[_p7003ky_]

I ugraded my HP620 Notebook from LMDE5 to LMDE6. Everything is fine so far with one Exception: NO BLUETOOTH -It worked with LMDE5

This maybe a hint for me: viewtopic.php?t=405305 but i dont want to mess up my system doing things i do not understand. My admin-skills are quite limited. What to do ? THNX

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$ uname --all
Linux hp620 6.1.0-13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.55-1 (2023-09-29) x86_64 GNU/Linux

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$ mokutil --sb
EFI variables are not supported on this system

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$ lsusb; lspci -nnk|grep -iA3 net
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 010 Device 002: ID 192f:0416 Avago Technologies, Pte. ADNS-5700 Optical Mouse Controller (3-button)
Bus 010 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 009 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 004 Device 002: ID 04d9:1603 Holtek Semiconductor, Inc. Keyboard
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 04f2:b1ac Chicony Electronics Co., Ltd HP Laptop Integrated Webcam [2 MP Fixed]
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8191SEvA Wireless LAN Controller [10ec:8171] (rev 10)
	Subsystem: Hewlett-Packard Company RTL8191SEvA Wireless LAN Controller [103c:1467]
	Kernel driver in use: rtl8192se
	Kernel modules: rtl8192se
--
85:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:8136] (rev 02)
	Subsystem: Hewlett-Packard Company RTL810xE PCI Express Fast Ethernet controller [103c:1526]
	Kernel driver in use: r8169
	Kernel modules: r8169

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$ sudo systemctl status bluetooth.service
○ bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; preset: enabled)
     Active: inactive (dead)
       Docs: man:bluetoothd(8)

Nov 28 16:17:29 hp620 systemd[1]: bluetooth.service - Bluetooth service was skipped because of an unmet condition check (ConditionPathIsDirectory=/sys/class/bluetooth).

[_p7003ky_]

Now, that i am thinking about it... i'm only ~50% sure, that Bluetooth worked on LMDE5... hmm... better leave this assumption aside...

I also noticed this:

(ähm... i really do not know what i am doing... what is modprobe for? :)... have to read and learn)

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$ sudo modprobe btusb
$ sudo systemctl restart bluetooth
$ sudo systemctl status bluetooth
● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; preset: en>
     Active: active (running) since Tue 2023-11-28 22:35:42 CET; 2s ago
       Docs: man:bluetoothd(8)
   Main PID: 2292 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 9308)
     Memory: 804.0K
        CPU: 61ms
     CGroup: /system.slice/bluetooth.service
             └─2292 /usr/libexec/bluetooth/bluetoothd

Nov 28 22:35:42 hp620 bluetoothd[2292]: Bluetooth daemon 5.66
Nov 28 22:35:42 hp620 systemd[1]: Started bluetooth.service - Bluetooth service.
Nov 28 22:35:42 hp620 bluetoothd[2292]: Starting SDP server
Nov 28 22:35:42 hp620 bluetoothd[2292]: profiles/audio/vcp.c:vcp_init() D-Bus e>
Nov 28 22:35:42 hp620 bluetoothd[2292]: src/plugin.c:plugin_init() Failed to in>
Nov 28 22:35:42 hp620 bluetoothd[2292]: profiles/audio/mcp.c:mcp_init() D-Bus e>
Nov 28 22:35:42 hp620 bluetoothd[2292]: src/plugin.c:plugin_init() Failed to in>
Nov 28 22:35:42 hp620 bluetoothd[2292]: profiles/audio/bap.c:bap_init() D-Bus e>
Nov 28 22:35:42 hp620 bluetoothd[2292]: src/plugin.c:plugin_init() Failed to in>
Nov 28 22:35:42 hp620 bluetoothd[2292]: Bluetooth management interface 1.22 ini>