[Bug 219404] New: mt7922: bluetooth can't find any devices

bugzilla-daemon
2024-10-20T14:24:37Z

Bug ID: 219404
Summary: mt7922: bluetooth can't find any devices
Product: Drivers
Version: 2.5
Hardware: AMD
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: Bluetooth
Assignee: linux-bluetooth@vger.kernel.org
Reporter: g.wenzel@gmail.com
Regression: No

With kernel 6.11.4 the bluetooth device can't serach the network.
bluetoothctl:
[bluetooth]# scan on
[bluetooth]# SetDiscoveryFilter success
[bluetooth]# Failed to start discovery: org.bluez.Error.InProgress
[bluetooth]#

btmon:
Bluetooth monitor ver 5.78
btmon[6019]: = Note: Linux version 6.11.4-floppy (x86_64)

0.431526
btmon[6019]: = Note: Bluetooth subsystem version 2.22

0.431527
= New Index: F0:A6:54:5C:4B:F2 (Primary,USB,hci0)

[hci0] 0.431528
= Open Index: F0:A6:54:5C:4B:F2

[hci0] 0.431528
= Index Info: F0:A6:54:5C:4B:F2 (MediaTek, Inc.)

[hci0] 0.431529
bluetoothctl[5675]: @ MGMT Open: bluetoothctl (privileged) version 1.23

{0x0002} 0.431530
bluetoothd[2715]: @ MGMT Open: bluetoothd (privileged) version 1.23

{0x0001} 0.431530

l
bluetoothd[2715]: @ MGMT Command: Start Discovery (0x0023) plen 1
{0x0001}
[hci0] 17.144334
Address type: 0x07
BR/EDR
LE Public
LE Random
@ MGMT Event: Command Complete (0x0001) plen 4
{0x0001}
[hci0] 17.144343
Start Discovery (0x0023) plen 1
Status: Busy (0x0a)
Address type: 0x07
BR/EDR
LE Public
LE Random

rfkill:
ID TYPE DEVICE SOFT HARD
0 wlan ideapad_wlan unblocked unblocked
1 bluetooth ideapad_bluetooth unblocked unblocked
2 bluetooth hci0 unblocked unblocked
3 wlan phy0 unblocked unblocked

With kernel 6.10.14 it is okay.