It looks like the Bluetooth kernel interface died and was restarted: [ 1164.351851] Bluetooth: hci0: Execution of wmt command timed out [ 1164.351867] Bluetooth: hci0: Failed to send wmt func ctrl (-110) [ 1164.352312] Bluetooth: hci0: Opcode 0x2005 failed: -22 [ 1164.352400] Bluetooth: hci0: Opcode 0x2041 failed: -22 [ 1164.370260] usbcore: deregistering interface driver btusb [ 1164.430958] Bluetooth: hci0: Failed to claim iso interface [ 1164.430991] usbcore: registered new interface driver btusb [ 1164.481585] Bluetooth: hci0: HW/SW Version: 0x008a008a, Build Time: 20240826151221 [ 1167.461643] Bluetooth: hci0: Device setup in 2959639 usecs [ 1167.461655] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported. [ 1167.536101] Bluetooth: hci0: AOSP extensions version v1.00 [ 1167.536111] Bluetooth: hci0: AOSP quality report is supported [ 1167.536732] Bluetooth: MGMT ver 1.23
and it looks like it's built into the MT7921 wifi card despite using "USB" internally. So this seems like a kernel bug. And to work around it you may have to try a different version of Ubuntu, or using an external Bluetooth dongle (assuming you can't easily replace the internal wifi card). ** Summary changed: - Bluetooth not showing devices + [MT7921] Bluetooth not showing devices ** Package changed: bluez (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2097139 Title: [MT7921] Bluetooth not showing devices Status in linux package in Ubuntu: New Bug description: I am using wh ch520 headphones. when i was testing latest ubuntu 24.10 image it seemed to appear normally on the list and i could pair to it. now that i installed ubuntu i can no longer see it in the list during scanning. ProblemType: Bug DistroRelease: Ubuntu 24.10 Package: bluez 5.77-0ubuntu2 ProcVersionSignature: Ubuntu 6.11.0-14.15-generic 6.11.0 Uname: Linux 6.11.0-14-generic x86_64 ApportVersion: 2.30.0-0ubuntu4 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Fri Jan 31 22:45:10 2025 InstallationDate: Installed on 2025-01-31 (0 days ago) InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Release amd64 (20241009.4) InterestingModules: btusb rfcomm bnep bluetooth MachineType: LENOVO 82K2 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.11.0-14-generic root=UUID=3ed4855b-324a-4856-8d94-63eb951d164f ro quiet splash crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M vt.handoff=7 SourcePackage: bluez UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/28/2021 dmi.bios.release: 1.30 dmi.bios.vendor: LENOVO dmi.bios.version: H3CN30WW(V2.00) dmi.board.asset.tag: NO Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: No DPK dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: IdeaPad Gaming 3 15ACH6 dmi.ec.firmware.release: 1.30 dmi.modalias: dmi:bvnLENOVO:bvrH3CN30WW(V2.00):bd06/28/2021:br1.30:efr1.30:svnLENOVO:pn82K2:pvrIdeaPadGaming315ACH6:rvnLENOVO:rnLNVNB161216:rvrNoDPK:cvnLENOVO:ct10:cvrIdeaPadGaming315ACH6:skuLENOVO_MT_82K2_BU_idea_FM_IdeaPadGaming315ACH6: dmi.product.family: IdeaPad Gaming 3 15ACH6 dmi.product.name: 82K2 dmi.product.sku: LENOVO_MT_82K2_BU_idea_FM_IdeaPad Gaming 3 15ACH6 dmi.product.version: IdeaPad Gaming 3 15ACH6 dmi.sys.vendor: LENOVO hciconfig: hci0: Type: Primary Bus: USB BD Address: B4:B5:B6:E8:09:2C ACL MTU: 1021:6 SCO MTU: 240:8 UP RUNNING PSCAN ISCAN RX bytes:17150 acl:0 sco:0 events:2349 errors:0 TX bytes:555015 acl:0 sco:0 commands:2337 errors:0 mtime.conffile..etc.bluetooth.main.conf: 2025-01-31T21:26:50.235600 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2097139/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
