Public bug reported:
I am using an Intel Wi-Fi 6E AX211 wireless card on Ubuntu 26.04 with
kernel 6.18.0-9-generic.
Bluetooth cannot be enabled.
The kernel log shows that sending the firmware fails:
[ +0,004660] Bluetooth: hci0: Device revision is 0
[ +0,000003] Bluetooth: hci0: Secure boot is enabled
[ +0,000000] Bluetooth: hci0: OTP lock is enabled
[ +0,000001] Bluetooth: hci0: API lock is enabled
[ +0,000000] Bluetooth: hci0: Debug lock is disabled
[ +0,000001] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ +0,000001] Bluetooth: hci0: Bootloader timestamp 2022.18 buildtype 1 build
16362
[ +0,000163] Bluetooth: hci0: DSM reset method type: 0x00
[ +0,004612] Bluetooth: hci0: Found device firmware: intel/ibt-0093-0041.sfi
[ +0,000010] Bluetooth: hci0: Boot Address: 0x100800
[ +0,000001] Bluetooth: hci0: Firmware Version: 191-46.25
[ +0,020565] Bluetooth: hci0: Failed to send firmware data (-19)
[ +0,000035] Bluetooth: hci0: sending frame failed (-19)
[ +0,000020] Bluetooth: hci0: FW download error recovery failed (-19)
[ +0,000047] Bluetooth: hci0: sending frame failed (-19)
[ +0,000009] Bluetooth: hci0: Failed to read MSFT supported features (-19)
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-6.18.0-9-generic 6.18.0-9.9
ProcVersionSignature: Ubuntu 6.18.0-9.9-generic 6.18.5
Uname: Linux 6.18.0-9-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: zfsdt 3714 F.... pipewire
zfsdt 3716 F.... wireplumber
/dev/snd/seq: zfsdt 3714 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Sat Jan 31 07:35:08 2026
InstallationDate: Installed on 2025-06-20 (225 days ago)
InstallationMedia: Kubuntu 25.10 "Questing Quokka" - Daily amd64 (20250607)
MachineType: LENOVO 21SR0046GE
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.18.0-9-generic
root=UUID=a476770a-95d4-472e-b29e-beff8417d10e ro
rd.luks.uuid=84f09755-731e-4a6a-83b9-6b933dadee6e
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20260108.gitd86b47f7-0ubuntu1
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2025-10-30 (92 days ago)
dmi.bios.date: 10/30/2025
dmi.bios.release: 1.12
dmi.bios.vendor: LENOVO
dmi.bios.version: R30ET38W(1.12 )
dmi.board.asset.tag: Not Available
dmi.board.name: 21SR0046GE
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76530 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.12
dmi.modalias:
dmi:bvnLENOVO:bvrR30ET38W(1.12):bd10/30/2025:br1.12:efr1.12:svnLENOVO:pn21SR0046GE:pvrThinkPadE16Gen3:rvnLENOVO:rn21SR0046GE:rvrSDK0T76530WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21SR_BU_Think_FM_ThinkPadE16Gen3:
dmi.product.family: ThinkPad E16 Gen 3
dmi.product.name: 21SR0046GE
dmi.product.sku: LENOVO_MT_21SR_BU_Think_FM_ThinkPad E16 Gen 3
dmi.product.version: ThinkPad E16 Gen 3
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute
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https://bugs.launchpad.net/bugs/2139483
Title:
intel ax211: Bluetooth: hci0: Failed to send firmware data (-19)
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