Public bug reported:
I upgraded my Ubuntu kernel to 6.8.0-139-generic and after reboot i am
unable to start my Bluetooth on my Asus F15-FX506HC laptop. Nothing i
try works, only reverting to 138 fixes the issue.
Please look into that
I am attaching journalctl output
presiyan@F15-FX506HC:~$ journalctl -b -k --no-pager | grep -iE
'Bluetooth|btmtk|btusb|hci0|Oops|NULL pointer|BUG:' | tee ~/bt-139-kernel.log
Sep 07 18:15:37 F15-FX506HC kernel: Bluetooth: Core ver 2.22
Sep 07 18:15:37 F15-FX506HC kernel: NET: Registered PF_BLUETOOTH protocol family
Sep 07 18:15:37 F15-FX506HC kernel: Bluetooth: HCI device and connection
manager initialized
Sep 07 18:15:37 F15-FX506HC kernel: Bluetooth: HCI socket layer initialized
Sep 07 18:15:37 F15-FX506HC kernel: Bluetooth: L2CAP socket layer initialized
Sep 07 18:15:37 F15-FX506HC kernel: Bluetooth: SCO socket layer initialized
Sep 07 18:15:38 F15-FX506HC kernel: usbcore: registered new interface driver
btusb
Sep 07 18:15:38 F15-FX506HC kernel: Bluetooth: hci0: HW/SW Version: 0x008a008a,
Build Time: 20240219111427
Sep 07 18:15:38 F15-FX506HC kernel: BUG: kernel NULL pointer dereference,
address: 0000000000000219
Sep 07 18:15:38 F15-FX506HC kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI
Sep 07 18:15:38 F15-FX506HC kernel: Workqueue: hci0 hci_power_on [bluetooth]
Sep 07 18:15:38 F15-FX506HC kernel: btmtk_usb_hci_wmt_sync+0xa9/0x2e0 [btmtk]
Sep 07 18:15:38 F15-FX506HC kernel: ? __pfx_btmtk_usb_hci_wmt_sync+0x10/0x10
[btmtk]
Sep 07 18:15:38 F15-FX506HC kernel: btmtk_setup_firmware_79xx+0x1c7/0x360
[btmtk]
Sep 07 18:15:38 F15-FX506HC kernel: btusb_mtk_setup+0x453/0x610 [btusb]
Sep 07 18:15:38 F15-FX506HC kernel: hci_dev_setup_sync+0x6c/0x430 [bluetooth]
Sep 07 18:15:38 F15-FX506HC kernel: hci_dev_init_sync+0x3e/0x1c0 [bluetooth]
Sep 07 18:15:38 F15-FX506HC kernel: hci_dev_open_sync+0xb1/0x350 [bluetooth]
Sep 07 18:15:38 F15-FX506HC kernel: hci_dev_do_open+0x28/0x70 [bluetooth]
Sep 07 18:15:38 F15-FX506HC kernel: hci_power_on+0x50/0x210 [bluetooth]
Sep 07 18:15:38 F15-FX506HC kernel: Modules linked in: snd_usb_audio(+)
snd_pcm_dmaengine mt76_connac_lib btusb irqbypass btrtl snd_hda_intel mt76
crct10dif_pclmul btintel snd_intel_dspcfg polyval_clmulni snd_usbmidi_lib btbcm
snd_intel_sdw_acpi polyval_generic btmtk snd_ump ghash_clmulni_intel
snd_hda_codec snd_seq_midi nouveau(+) mac80211 sha256_ssse3 snd_seq_midi_event
cmdlinepart bluetooth snd_hda_core uvcvideo spi_nor sha1_ssse3 snd_rawmidi
videobuf2_vmalloc aesni_intel uvc videobuf2_memops videobuf2_v4l2 snd_hwdep
asus_nb_wmi mfd_aaeon crypto_simd ee1004 mtd mei_hdcp mei_pxp intel_rapl_msr
cryptd ecdh_generic videodev snd_seq asus_wmi mxm_wmi ecc rapl cfg80211 snd_pcm
ledtrig_audio videobuf2_common i2c_i801 platform_profile drm_gpuvm
spi_intel_pci snd_seq_device intel_cstate wmi_bmof i915(+) mc spi_intel libarc4
i2c_smbus snd_timer drm_exec mei_me snd gpu_sched mei
processor_thermal_device_pci_legacy soundcore drm_ttm_helper
processor_thermal_device drm_buddy processor_thermal_wt_hint ttm
processor_thermal_rfim processor_thermal_rapl
Sep 07 18:15:38 F15-FX506HC kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Sep 07 18:15:38 F15-FX506HC kernel: Bluetooth: BNEP filters: protocol multicast
Sep 07 18:15:38 F15-FX506HC kernel: Bluetooth: BNEP socket layer initialized
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-139-generic 6.8.0-139.139
ProcVersionSignature: Ubuntu 6.8.0-139.139-generic 6.8.12
Uname: Linux 6.8.0-139-generic x86_64
ApportVersion: 2.28.3-0ubuntu0.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: presiyan 3076 F.... wireplumber
/dev/snd/controlC1: presiyan 3076 F.... wireplumber
/dev/snd/controlC0: presiyan 3076 F.... wireplumber
/dev/snd/seq: presiyan 3072 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Sep 7 18:16:43 2026
InstallationDate: Installed on 2023-12-27 (985 days ago)
InstallationMedia: Ubuntu 22.04.3 LTS "Jammy Jellyfish" - Release amd64
(20230807.2)
MachineType: ASUSTeK COMPUTER INC. ASUS TUF Gaming F15 FX506HC_FX506HC
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-139-generic
root=UUID=a5e9d595-c55d-467f-9724-ea5097813566 ro quiet splash pcie_aspm=off
rfkill.default_state=1 asus_wmi.fnlock_default=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.8.0-139-generic N/A
linux-backports-modules-6.8.0-139-generic N/A
linux-firmware 20240318.git3b128b60.0ubuntu3.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/17/2025
dmi.bios.release: 5.19
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: FX506HC.316
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: FX506HC
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.ec.firmware.release: 3.10
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrFX506HC.316:bd06/17/2025:br5.19:efr3.10:svnASUSTeKCOMPUTERINC.:pnASUSTUFGamingF15FX506HC_FX506HC:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnFX506HC:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:sku:
dmi.product.family: ASUS TUF Gaming F15
dmi.product.name: ASUS TUF Gaming F15 FX506HC_FX506HC
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
** Attachment added: "version.log"
https://bugs.launchpad.net/bugs/2166700/+attachment/5998332/+files/version.log
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https://bugs.launchpad.net/bugs/2166700
Title:
Bluetooth won't start after upgrading Ubuntu kernel to 139
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