I updated yesterday and this bug effects me (lenovo x1 carbon 1st gen). I have no bluetooth now.
dmesg: [ 73.111498] usb 1-1.4: new full-speed USB device number 7 using ehci-pci [ 73.207595] usb 1-1.4: New USB device found, idVendor=0a5c, idProduct=21e6 [ 73.207604] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 73.207608] usb 1-1.4: Product: BCM20702A0 [ 73.207612] usb 1-1.4: Manufacturer: Broadcom Corp [ 73.207616] usb 1-1.4: SerialNumber: 8056F2FFB1FA [ 73.209867] bluetooth hci0: Direct firmware load failed with error -2 [ 73.209878] bluetooth hci0: Falling back to user helper [ 73.212195] Bluetooth: hci0: BCM: patch brcm/BCM20702A0-0a5c-21e6.hcd not found [ 73.300017] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 73.300028] Bluetooth: HIDP socket layer initialized [ 73.426930] usb 1-1.4: USB disconnect, device number 7 ** Changed in: linux (Ubuntu) Status: Invalid => Confirmed -- 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/1406014 Title: Bluetooth: can't load firmware, may not work correctly Status in linux package in Ubuntu: Confirmed Bug description: Bluetooth does not work. The tray icon appears, but none of the functionality is available. Probable cause: The firmware for Bus 001 Device 003: ID 0a5c:21e6 Broadcom Corp. BCM20702 Bluetooth 4.0 [ThinkPad] does not load. The message in dmesg is "Bluetooth: can't load firmware, may not work correctly". The problem appeared after upgrading from the previous LTS version (12.04?). ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-44-generic 3.13.0-44.73 ProcVersionSignature: Ubuntu 3.13.0-44.73-generic 3.13.11-ckt12 Uname: Linux 3.13.0-44-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: weber 2408 F.... pulseaudio weber 2744 F.... pulseaudio CurrentDesktop: KDE Date: Sat Dec 27 22:58:37 2014 HibernationDevice: RESUME=UUID=4dd72213-9a42-4532-aa22-2ccc72d46062 InstallationDate: Installed on 2012-07-21 (889 days ago) InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423) MachineType: LENOVO 2320CTO ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-44-generic root=UUID=a58cd4c1-52b5-4b88-b5a8-3bf530c20c4a ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-44-generic N/A linux-backports-modules-3.13.0-44-generic N/A linux-firmware 1.127.11 SourcePackage: linux UpgradeStatus: Upgraded to trusty on 2014-12-26 (1 days ago) dmi.bios.date: 05/24/2012 dmi.bios.vendor: LENOVO dmi.bios.version: G2ET31WW (1.11 ) dmi.board.asset.tag: Not Available dmi.board.name: 2320CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrG2ET31WW(1.11):bd05/24/2012:svnLENOVO:pn2320CTO:pvrThinkPadX230:rvnLENOVO:rn2320CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2320CTO dmi.product.version: ThinkPad X230 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1406014/+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