Public bug reported:
sudo dmesg | grep -iE 'bluetooth|btusb|btmtk|firmware'
[sudo] password for eugene:
[ 0.112572] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.298470] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 0.324487] acpi PNP0A08:00: [Firmware Info]: ECAM [mem
0xf0000000-0xf7ffffff] for domain 0000 [bus 00-7f] only partially covers this
bridge
[ 4.159655] mt7921e 0000:03:00.0: WM Firmware Version: ____010000, Build
Time: 20240219111038
[ 4.826820] Bluetooth: Core ver 2.22
[ 4.826847] NET: Registered PF_BLUETOOTH protocol family
[ 4.826849] Bluetooth: HCI device and connection manager initialized
[ 4.826854] Bluetooth: HCI socket layer initialized
[ 4.826856] Bluetooth: L2CAP socket layer initialized
[ 4.826861] Bluetooth: SCO socket layer initialized
[ 4.837853] usbcore: registered new interface driver btusb
[ 4.840811] Bluetooth: hci0: HW/SW Version: 0x008a008a, Build Time:
20240219111427
[ 4.840838] Workqueue: hci0 hci_power_on [bluetooth]
[ 4.840917] btmtk_usb_hci_wmt_sync+0xa9/0x2e0 [btmtk]
[ 4.840921] ? __pfx_btmtk_usb_hci_wmt_sync+0x10/0x10 [btmtk]
[ 4.840924] btmtk_setup_firmware_79xx+0x1ca/0x360 [btmtk]
[ 4.840930] btusb_mtk_setup+0x453/0x610 [btusb]
[ 4.840936] hci_dev_setup_sync+0x6f/0x430 [bluetooth]
[ 4.840964] hci_dev_init_sync+0x3e/0x1c0 [bluetooth]
[ 4.840985] hci_dev_open_sync+0xb1/0x350 [bluetooth]
[ 4.841012] hci_dev_do_open+0x28/0x70 [bluetooth]
[ 4.841032] hci_power_on+0x50/0x210 [bluetooth]
[ 4.841094] Modules linked in: snd_pci_ps snd_hda_codec(+) btusb
snd_usbmidi_lib snd_rpl_pci_acp6x btrtl snd_ump snd_acp_pci snd_hda_core
snd_acp_legacy_common mc btintel snd_pci_acp6x snd_hwdep btbcm btmtk snd_pcm
snd_seq_midi snd_seq_midi_event bluetooth hid_logitech_hidpp(+)
snd_rawmidi amdxcp drm_exec snd_seq ecdh_generic gpu_sched ecc drm_buddy
drm_suballoc_helper drm_ttm_helper snd_seq_device ttm snd_timer
drm_display_helper cec snd_pci_acp5x snd rc_core snd_rn_pci_acp3x i2c_algo_bit
snd_acp_config snd_soc_acpi snd_pci_acp3x soundcore sunrpc binfm
t_misc nls_iso8859_1 joydev input_leds hid_logitech_dj intel_rapl_msr
intel_rapl_common mt7921e edac_mce_amd mt7921_common mt792x_lib mt76_connac_lib
kvm_amd mt76 ccp mac80211 kvm irqbypass cfg80211 wmi_bmof rapl libarc4
i2c_piix4 k10temp cm32181 industrialio mac_hid sch_fq_codel
msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables
x_tables autofs4 hid_cmedia hid_generic usbhid crct10dif_pclmul crc32_pclmul
polyval_clmulni polyval_generic
[ 6.573304] [drm] Loading DMUB firmware via PSP: version=0x0101002B
[ 6.573756] [drm] Found VCN firmware Version ENC: 1.21 DEC: 7 VEP: 0
Revision: 2
[ 6.573764] amdgpu 0000:04:00.0: amdgpu: Will use PSP to load VCN firmware
[ 8.167525] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 8.167533] Bluetooth: BNEP filters: protocol multicast
[ 8.167539] Bluetooth: BNEP socket layer initialized
[ 923.566097] usbcore: deregistering interface driver btusb
[ 923.663108] Bluetooth: hci0: urb 00000000dfcf4ff7 failed to resubmit (2)
Reverting back to 6.8.0-138-generic helped
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-138-generic 6.8.0-138.138
ProcVersionSignature: Ubuntu 6.8.0-138.138-generic 6.8.12
Uname: Linux 6.8.0-138-generic x86_64
ApportVersion: 2.28.3-0ubuntu0.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: eugene 2150 F.... wireplumber
/dev/snd/controlC0: eugene 2150 F.... wireplumber
/dev/snd/seq: eugene 2148 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: fail
CurrentDesktop: KDE
Date: Fri Sep 4 16:58:26 2026
InstallationDate: Installed on 2022-08-26 (1470 days ago)
InstallationMedia: Kubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64
(20220809.1)
MachineType: SYSTEM_MANUFACTURER HX90
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-138-generic
root=UUID=bbf1707b-7151-4583-b765-740cc88b02e2 ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.8.0-138-generic N/A
linux-backports-modules-6.8.0-138-generic N/A
linux-firmware 20240318.git3b128b60.0ubuntu3.1
SourcePackage: linux
UpgradeStatus: Upgraded to noble on 2024-04-25 (862 days ago)
dmi.bios.date: 10/11/2021
dmi.bios.release: 5.19
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: 5.19
dmi.board.asset.tag: Default string
dmi.board.name: HX90
dmi.board.vendor: Default string
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvr5.19:bd10/11/2021:br5.19:svnSYSTEM_MANUFACTURER:pnHX90:pvrDefaultstring:rvnDefaultstring:rnHX90:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:
dmi.product.family: Default string
dmi.product.name: HX90
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: SYSTEM_MANUFACTURER
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
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https://bugs.launchpad.net/bugs/2166497
Title:
Bluetoot regression in 6.8.0-139-generic crash in
btmtk_setup_firmware_79xx
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