[Bug 215187] btintel: AX201: missing firmware ibt-19-16-0.sfi

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215187

--- Comment #5 from Takahide Nojima (nozzy123nozzy@gmail.com) ---
Hi Luiz,
>Try renaming it then

I copyed and renamed "intel/ibt-19-16-4.sfi" and "intel/ibt-19-16-4.ddc" to
"intel/ibt-19-16-0.sfi" and "intel/ibt-19-16-0.ddc" respectively. After I
rebooted 5.16-rc3 which has "iwlwifi-QuZ-a0-hr-b0-67.ucode", I found strange
messages in dmesg.
-------------------here-----------------------
kernel: Bluetooth: Core ver 2.22
kernel: NET: Registered PF_BLUETOOTH protocol family
kernel: Bluetooth: HCI device and connection manager initialized
kernel: Bluetooth: HCI socket layer initialized
kernel: Bluetooth: L2CAP socket layer initialized
kernel: Bluetooth: SCO socket layer initialized
kernel: iwlwifi 0000:00:14.3: firmware: direct-loading firmware
iwlwifi-QuZ-a0-hr-b0-67.ucode
kernel: iwlwifi 0000:00:14.3: api flags index 2 larger than supported by driver
kernel: iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 89.3.35.37
kernel: iwlwifi 0000:00:14.3: loaded firmware version 67.8f59b80b.0
QuZ-a0-hr-b0-67.ucode op_mode iwlmvm
kernel: iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2)
kernel: bluetooth hci0: firmware: direct-loading firmware intel/ibt-19-16-0.sfi
kernel: Bluetooth: hci0: Found device firmware: intel/ibt-19-16-0.sfi
kernel: Bluetooth: hci0: Boot Address: 0x24800
kernel: Bluetooth: hci0: Firmware Version: 125-46.21
kernel: iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 6 AX201 160MHz, REV=0x354
kernel: iwlwifi 0000:00:14.3: Detected RF HR B3, rfid=0x10a100
systemd[1]: Starting Bluetooth service...
kernel: iwlwifi 0000:00:14.3: base HW address: b0:a4:60:b4:69:96
bluetoothd[637]: Bluetooth daemon 5.61
systemd[1]: Started Bluetooth service.
systemd[1]: Reached target Bluetooth Support.
bluetoothd[637]: Starting SDP server
dbus-daemon[505]: [system] Activating via systemd: service
name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service'
requested by ':1.12' (uid=0 pid=637 comm="/usr/libexec/bluetooth/bluetoothd ")
kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3
kernel: Bluetooth: BNEP filters: protocol multicast
kernel: Bluetooth: BNEP socket layer initialized
bluetoothd[637]: Bluetooth management interface 1.21 initialized
kernel: iwlwifi 0000:00:14.3 wlp0s20f3: renamed from wlan0
NetworkManager[664]: <info>  [1639037359.3299] rfkill1: found Wi-Fi radio
killswitch (at /sys/devices/pci0000:00/0000:00:14.3/ieee80211/phy0/rfkill1)
(driver iwlwifi)
NetworkManager[664]: <info>  [1639037359.3363] Loaded device plugin:
NMBluezManager
(/usr/lib/x86_64-linux-gnu/NetworkManager/1.32.12/libnm-device-plugin-bluetooth.so)
kernel: Bluetooth: hci0: command 0xfc01 tx timeout
bluetoothd[637]: src/profile.c:register_profile() :1.71 tried to register
00001108-0000-1000-8000-00805f9b34fb which is already registered
bluetoothd[637]: src/profile.c:register_profile() :1.71 tried to register
0000111f-0000-1000-8000-00805f9b34fb which is already registered
systemd[1]: Stopped target Bluetooth Support.
kernel: Bluetooth: hci0: FW download error recovery failed (-110)
kernel: Bluetooth: hci0: Bootloader revision 0.4 build 0 week 30 2018
kernel: Bluetooth: hci0: Device revision is 2
kernel: Bluetooth: hci0: Secure boot is enabled
kernel: Bluetooth: hci0: OTP lock is enabled
kernel: Bluetooth: hci0: API lock is enabled
kernel: Bluetooth: hci0: Debug lock is disabled
kernel: Bluetooth: hci0: Minimum firmware build 1 week 10 2014
kernel: bluetooth hci0: firmware: direct-loading firmware intel/ibt-19-0-4.sfi
kernel: Bluetooth: hci0: Found device firmware: intel/ibt-19-0-4.sfi
kernel: Bluetooth: hci0: Boot Address: 0x24800
kernel: Bluetooth: hci0: Firmware Version: 191-21.21
systemd[1]: Reached target Bluetooth Support.
systemd[724]: Reached target Bluetooth.
systemd[1209]: Reached target Bluetooth.
kernel: Bluetooth: hci0: Waiting for firmware download to complete
kernel: Bluetooth: hci0: Firmware loaded in 1578507 usecs
kernel: Bluetooth: hci0: Waiting for device to boot
kernel: Bluetooth: hci0: Device booted in 14827 usecs
kernel: bluetooth hci0: firmware: direct-loading firmware intel/ibt-19-0-4.ddc
kernel: Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-19-0-4.ddc
kernel: Bluetooth: hci0: Applying Intel DDC parameters completed
kernel: Bluetooth: hci0: Firmware revision 0.0 build 191 week 21 2021
--------------------here-----------------

 As wrote above,the kernel loaded "intel/ibt-19-16-0.sfi" at first,but fails to
load, finally it loads "intel/ibt-19-0-4.sfi" successfully. And more strange, I
rebooted this kernel several times, I found the kernel became not to load
"intel/ibt-19-16-0.sfi" and load "intel/ibt-19-0-4.sfi" from the beginning of
boot. I'm not sure why the kernel suddenly began to load
"intel/ibt-19-0-4.sfi". Does someone let known to me why, please? I guess it
could be that "btintel.c" lacks some important sequence to AX201, an Example
for resetting the device, or some prerequisite process.

>I don't think the wifi firmware has any relation to the bluetooth firmware

 I wish the documents of the AX201 datasheet could show details.

Takahide Nojima

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