From: bugzilla-daemon@kernel.org
To: linux-bluetooth@vger.kernel.org
Subject: [Bug 220104] New: AX200 Bluetooth scan not finding any device
Date: Sat, 10 May 2025 10:57:33 +0000 [thread overview]
Message-ID: <bug-220104-62941@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=220104
Bug ID: 220104
Summary: AX200 Bluetooth scan not finding any device
Product: Drivers
Version: 2.5
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: Bluetooth
Assignee: linux-bluetooth@vger.kernel.org
Reporter: steph@combo.cc
Regression: No
Similar to https://bugzilla.kernel.org/show_bug.cgi?id=219088
Wifi works perfectly, Bluetooth is unable to find any device in range.
[ 20.987218] Bluetooth: Core ver 2.22
[ 20.987402] NET: Registered PF_BLUETOOTH protocol family
[ 20.987404] Bluetooth: HCI device and connection manager initialized
[ 20.987410] Bluetooth: HCI socket layer initialized
[ 20.987412] Bluetooth: L2CAP socket layer initialized
[ 20.987418] Bluetooth: SCO socket layer initialized
[ 21.045572] Bluetooth: hci0: Bootloader revision 0.3 build 0 week 24 2017
[ 21.046582] Bluetooth: hci0: Device revision is 1
[ 21.046584] Bluetooth: hci0: Secure boot is enabled
[ 21.046584] Bluetooth: hci0: OTP lock is enabled
[ 21.046585] Bluetooth: hci0: API lock is enabled
[ 21.046585] Bluetooth: hci0: Debug lock is disabled
[ 21.046586] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 21.084423] Bluetooth: hci0: Found device firmware: intel/ibt-20-1-3.sfi
[ 21.084528] Bluetooth: hci0: Boot Address: 0x24800
[ 21.084530] Bluetooth: hci0: Firmware Version: 132-3.24
[ 22.707858] Bluetooth: hci0: Waiting for firmware download to complete
[ 22.708555] Bluetooth: hci0: Firmware loaded in 1586062 usecs
[ 22.708579] Bluetooth: hci0: Waiting for device to boot
[ 22.723613] Bluetooth: hci0: Device booted in 14688 usecs
[ 22.726204] Bluetooth: hci0: Found Intel DDC parameters:
intel/ibt-20-1-3.ddc
[ 22.727572] Bluetooth: hci0: Applying Intel DDC parameters completed
[ 22.728584] Bluetooth: hci0: Firmware revision 0.3 build 132 week 3 2024
[ 22.730608] Bluetooth: hci0: HCI LE Coded PHY feature bit is set, but its
usage is not supported.
[ 22.987705] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 22.987708] Bluetooth: BNEP filters: protocol multicast
[ 22.987711] Bluetooth: BNEP socket layer initialized
[ 22.988651] Bluetooth: MGMT ver 1.23
[ 31.369502] Bluetooth: RFCOMM TTY layer initialized
[ 31.369510] Bluetooth: RFCOMM socket layer initialized
[ 31.369514] Bluetooth: RFCOMM ver 1.11
Linux tranquility 6.14.5-300.fc42.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 2
14:16:46 UTC 2025 x86_64 GNU/Linux
05:00.0 Network controller: Intel Corporation Wi-Fi 6 AX200 (rev 1a)
Bus 001 Device 004: ID 8087:0029 Intel Corp. AX200 Bluetooth
-------
btmon during a scan:
Bluetooth monitor ver 5.81
btmon[4527]: = Note: Linux version 6.14.5-300.fc42.x86_64 (x86_64)
0.289254
btmon[4527]: = Note: Bluetooth subsystem version 2.22
0.289256
= New Index: 2C:7B:A0:FD:5F:42 (Primary,USB,hci0)
[hci0] 0.289256
= Open Index: 2C:7B:A0:FD:5F:42
[hci0] 0.289256
= Index Info: 2C:7B:A0:FD:5F:42 (Intel Corp.)
[hci0] 0.289257
bluetoothd[1533]: @ MGMT Open: bluetoothd (privileged) version 1.23
{0x0001} 0.289258
bluetoothd[1533]: @ MGMT Command: Start Discovery (0x0023) plen 1
{0x0001} [hci0] 5.348230
Address type: 0x07
BR/EDR
LE Public
LE Random
< HCI Command: LE Set Random Address (0x08|0x0005) plen 6
#1 [hci0] 5.348283
Address: 31:AC:6B:25:AC:38 (Non-Resolvable)
> HCI Event: Command Complete (0x0e) plen 4
> #2 [hci0] 5.445399
LE Set Random Address (0x08|0x0005) ncmd 1
Status: Success (0x00)
< HCI Command: LE Set Extended Scan Parameters (0x08|0x0041) plen 8
#3 [hci0] 5.445453
Own address type: Random (0x01)
Filter policy: Accept all advertisement (0x00)
PHYs: 0x01
Entry 0: LE 1M
Type: Active (0x01)
Interval: 22.500 msec (0x0024)
Window: 11.250 msec (0x0012)
> HCI Event: Command Complete (0x0e) plen 4
> #4 [hci0] 5.447397
LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
Status: Success (0x00)
< HCI Command: LE Set Extended Scan Enable (0x08|0x0042) plen 6
#5 [hci0] 5.447435
Extended scan: Enabled (0x01)
Filter duplicates: Enabled (0x01)
Duration: 0 msec (0x0000)
Period: 0.00 sec (0x0000)
> HCI Event: Command Complete (0x0e) plen 4
> #6 [hci0] 5.449397
LE Set Extended Scan Enable (0x08|0x0042) ncmd 2
Status: Success (0x00)
@ MGMT Event: Discovering (0x0013) plen 2
{0x0001} [hci0] 5.449431
Address type: 0x07
BR/EDR
LE Public
LE Random
Discovery: Enabled (0x01)
< HCI Command: Inquiry (0x01|0x0001) plen 5
#7 [hci0] 5.449439
Access code: 0x9e8b33 (General Inquiry)
Length: 10.24s (0x08)
Num responses: 0
> HCI Event: Command Status (0x0f) plen 4
> #8 [hci0] 5.461352
Inquiry (0x01|0x0001) ncmd 2
Status: Success (0x00)
@ MGMT Event: Command Complete (0x0001) plen 4
{0x0001} [hci0] 5.461399
Start Discovery (0x0023) plen 1
Status: Success (0x00)
Address type: 0x07
BR/EDR
LE Public
LE Random
bluetoothd[1533]: @ MGMT Command: Stop Discovery (0x0024) plen 1
{0x0001} [hci0] 15.547574
Address type: 0x07
BR/EDR
LE Public
LE Random
< HCI Command: Inquiry Cancel (0x01|0x0002) plen 0
#9 [hci0] 15.547595
> HCI Event: Command Complete (0x0e) plen 4
> #10 [hci0] 15.643174
Inquiry Cancel (0x01|0x0002) ncmd 2
Status: Success (0x00)
< HCI Command: LE Set Extended Scan Enable (0x08|0x0042) plen 6
#11 [hci0] 15.643307
Extended scan: Disabled (0x00)
Filter duplicates: Disabled (0x00)
Duration: 0 msec (0x0000)
Period: 0.00 sec (0x0000)
> HCI Event: Command Complete (0x0e) plen 4
> #12 [hci0] 15.656176
LE Set Extended Scan Enable (0x08|0x0042) ncmd 2
Status: Success (0x00)
@ MGMT Event: Command Complete (0x0001) plen 4
{0x0001} [hci0] 15.656251
Stop Discovery (0x0024) plen 1
Status: Success (0x00)
Address type: 0x07
BR/EDR
LE Public
LE Random
@ MGMT Event: Discovering (0x0013) plen 2
{0x0001} [hci0] 15.656256
Address type: 0x07
BR/EDR
LE Public
LE Random
Discovery: Disabled (0x00)
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