This bug was fixed in the package linux-firmware -
20240318.git3b128b60-0ubuntu2.2
---------------
linux-firmware (20240318.git3b128b60-0ubuntu2.2) noble; urgency=medium
* CS42L43 and CS35L56 for soundwire on Intel LNL/ARL (LP: #2069412)
- linux-firmware: Add firmware for Cirrus CS35L56 for Dell laptops
* Missing firmware for Intel NPU driver on Intel Lunar Lake platform: Failed
to request firmware: -2 (LP: #2071771)
- SAUCE: Add firmware for Intel NPU on Lunar Lake platforms
* Add support for DCN 3.5.1 (LP: #2068001)
- amdgpu: Add support for DCN 3.5.1
- amdgpu: add support for GC 11.5.1
- amdgpu: add support for SDMA 6.1.1
- amdgpu: add support for VCN 4.0.6
- amdgpu: add support for VPE 6.1.1
- amdgpu: add support for PSP 14.0.1
* Add support for AMD ISP 4.1.1 (LP: #2071812)
- amdgpu: add new ISP 4.1.1 firmware
- amdgpu: Update ISP FW for isp v4.1.1
* Regression on Linux 6.8.0-38: Bluetooth adapter (Intel AX200) stops working
after a few suspend/resume cycles (LP: #2073047)
- Intel Bluetooth: Update firmware file for Intel Bluetooth AX200
-- Juerg Haefliger <juerg.haefli...@canonical.com> Tue, 13 Aug 2024
09:29:26 +0200
** Changed in: linux-firmware (Ubuntu Noble)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2073047
Title:
Regression on Linux 6.8.0-38: Bluetooth adapter (Intel AX200) stops
working after a few suspend/resume cycles
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-firmware source package in Jammy:
Fix Committed
Status in linux-firmware source package in Noble:
Fix Released
Bug description:
SRU Justification:
==============
[Impact]
AX200 Bluetooth stops working after a few suspend/resume cycles.
[Fix]
Update the Bluetooth firmware and align with upstream.
[Test]
Bug reporter tested on hardware, Bluetooth works fine.
[Where problems could occur]
It may break Bluetooth of AX200.
===========================
After upgrading to Linux 6.8.0-38, Bluetooth adapter (USB part of the Intel
AX200) stops working after a few suspend/resume cycles. WiFi (PCIe part)
continues to work as expected.
Kernel log shows:
Bluetooth: hci0: Reading Intel version command failed (-110)
instead of the usual:
Bluetooth: hci0: Bootloader revision 0.3 build 0 week 24 2017
Bluetooth: hci0: Device revision is 1
Bluetooth: hci0: Secure boot is enabled
Bluetooth: hci0: OTP lock is enabled
Bluetooth: hci0: API lock is enabled
Bluetooth: hci0: Debug lock is disabled
Bluetooth: hci0: Minimum firmware build 1 week 10 2014
Bluetooth: hci0: Found device firmware: intel/ibt-20-1-3.sfi
Bluetooth: hci0: Boot Address: 0x24800
Bluetooth: hci0: Firmware Version: 255-255.255
Bluetooth: hci0: Waiting for firmware download to complete
Bluetooth: hci0: Firmware loaded in 2111457 usecs
Bluetooth: hci0: Waiting for device to boot
Bluetooth: hci0: Device booted in 14560 usecs
Bluetooth: hci0: Malformed MSFT vendor event: 0x02
Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-20-1-3.ddc
Bluetooth: hci0: Applying Intel DDC parameters completed
Bluetooth: hci0: Firmware revision 0.3 build 249 week 27 2023
Bluetooth: hci0: HCI LE Coded PHY feature bit is set, but its usage is not
supported.
Bluetooth: MGMT ver 1.22
First appeared on 6.8.0-38, 6.8.0-36 and earlier worked without issues.
I suspect linux-firmware might be missing updates corresponding to changes in
the kernel driver or a regression was introduced in the update.
Machine: Dell XPS13-9350
Device: Intel AX200 Rev 1a (WiFi/Bluetooth combo)
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