[Bug 217023] [Intel AX200] hci0: Malformed MSFT vendor event: 0x02

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=217023

Nelson (nelson@live.cl) changed:

           What    |Removed                     |Added
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                 CC|                            |nelson@live.cl

--- Comment #9 from Nelson (nelson@live.cl) ---
- LT: HP ProBook 430 G8
- Kernel Version: 6.4.12-zen1-1-zen

lsusb | grep -i bluetooth
Bus 003 Device 005: ID 8087:0026 Intel Corp. AX201 Bluetooth

rfkill list
0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

journalctl -p err -b
sep 01 22:07:54 amida kernel: Bluetooth: hci0: Malformed MSFT vendor event:
0x02

dmesg | grep Bluetooth
[    2.135878] Bluetooth: Core ver 2.22
[    2.135896] Bluetooth: HCI device and connection manager initialized
[    2.135901] Bluetooth: HCI socket layer initialized
[    2.135904] Bluetooth: L2CAP socket layer initialized
[    2.135907] Bluetooth: SCO socket layer initialized
[    2.215220] Bluetooth: hci0: Bootloader revision 0.4 build 0 week 30 2018
[    2.216228] Bluetooth: hci0: Device revision is 2
[    2.216231] Bluetooth: hci0: Secure boot is enabled
[    2.216232] Bluetooth: hci0: OTP lock is enabled
[    2.216233] Bluetooth: hci0: API lock is enabled
[    2.216234] Bluetooth: hci0: Debug lock is disabled
[    2.216235] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[    2.224767] Bluetooth: hci0: Found device firmware: intel/ibt-19-0-4.sfi
[    2.224796] Bluetooth: hci0: Boot Address: 0x24800
[    2.224797] Bluetooth: hci0: Firmware Version: 206-22.23
[    2.312520] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    2.312523] Bluetooth: BNEP filters: protocol multicast
[    2.312527] Bluetooth: BNEP socket layer initialized
[    3.954983] Bluetooth: hci0: Waiting for firmware download to complete
[    3.955209] Bluetooth: hci0: Firmware loaded in 1689881 usecs
[    3.955250] Bluetooth: hci0: Waiting for device to boot
[    3.970455] Bluetooth: hci0: Device booted in 14875 usecs
[    3.970474] Bluetooth: hci0: Malformed MSFT vendor event: 0x02
[    3.980165] Bluetooth: hci0: Found Intel DDC parameters:
intel/ibt-19-0-4.ddc
[    3.982432] Bluetooth: hci0: Applying Intel DDC parameters completed
[    3.983427] Bluetooth: hci0: Firmware revision 0.4 build 206 week 22 2023
[    4.052609] Bluetooth: MGMT ver 1.22
[   42.896475] Bluetooth: RFCOMM TTY layer initialized
[   42.896481] Bluetooth: RFCOMM socket layer initialized
[   42.896484] Bluetooth: RFCOMM ver 1.11

Despite the error, my Bluetooth devices seem to be functioning correctly.
However, I'd like to address this error if possible.

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