when I was on debian 9, bluetooth worked fine. I upgraded with 10, and at this point, bluetooth stopped working. I tired fixing it, but failed, and abandonned. Now I upgraded to 11, hoping that it would work, but it's still the same... : /
I've got a thinkpad T450s, with the Intel Corporation Wireless 7265 Network controller that is supposed to control bluetooth.
I'm not sure of wich output show to you in order to help me figuring this out, so here are some but if you need anything else let me know : /
I've got iwlwifi installed, bluetooth is not disabled in bios, and don't have any hardware switch.
dmesg | grep firmware
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[ 0.169609] DMAR: [Firmware Bug]: No firmware reserved region can cover this RMRR [0x00000000bd800000-0x00000000bfffffff], contact BIOS vendor for fixes
[ 0.205440] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 6.631390] platform regulatory.0: firmware: direct-loading firmware regulatory.db
[ 6.631526] platform regulatory.0: firmware: direct-loading firmware regulatory.db.p7s
[ 6.779695] iwlwifi 0000:03:00.0: firmware: direct-loading firmware iwlwifi-7265D-29.ucode
[ 6.780087] iwlwifi 0000:03:00.0: loaded firmware version 29.4063824552.0 7265D-29.ucode op_mode iwlmvm
[ 6.780115] iwlwifi 0000:03:00.0: firmware: failed to load iwl-debug-yoyo.bin (-2)
[ 6.780165] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware
[ 6.991753] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 7.080343] iwlwifi 0000:03:00.0: Allocated 0x00400000 bytes for firmware monitor.
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00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:19.0 Ethernet controller: Intel Corporation Ethernet Connection (3) I218-LM (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #6 (rev e3)
00:1c.1 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 (rev e3)
00:1d.0 USB controller: Intel Corporation Wildcat Point-LP USB EHCI Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
00:1f.6 Signal processing controller: Intel Corporation Wildcat Point-LP Thermal Management Controller (rev 03)
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader (rev 01)
03:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)
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● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: inactive (dead)
Docs: man:bluetoothd(8)
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0: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Returns nothing
thanks in advance for the help : )