Thank you for reporting this bug to Ubuntu. Ubuntu 15.04 (vivid) reached end-of-life on February 4, 2016.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases Please upgrade to the latest version and re-test. ** Changed in: bluez (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1458228 Title: improve error "Device is not available: No such device" of hcitool scan Status in bluez package in Ubuntu: Incomplete Bug description: The feedback `Device is not available: No such device` of `hcitool scan` is unhelpful and should be replaced with a feedback explaining the state (at least which device isn't there) and instructions how fix it. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: bluez 4.101-0ubuntu25 Uname: Linux 4.0.1-040001-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.1 Architecture: amd64 CurrentDesktop: Unity Date: Sat May 23 21:31:08 2015 EcryptfsInUse: Yes InstallationDate: Installed on 2015-04-02 (50 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326) InterestingModules: rfcomm bnep btusb bluetooth MachineType: LENOVO 20221 ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=de_DE.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.0.1-040001-generic root=UUID=0d646fdd-bb34-4e1c-9271-86a59deb3bf9 ro rootflags=subvol=@ SourcePackage: bluez SystemImageInfo: current build number: 0 device name: channel: daily last update: Unknown UdevLog: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/12/2013 dmi.bios.vendor: LENOVO dmi.bios.version: 71CN51WW(V1.21) dmi.board.asset.tag: No Asset Tag dmi.board.name: INVALID dmi.board.vendor: LENOVO dmi.board.version: 31900003WIN8 STD MLT dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo IdeaPad Z500 Touch dmi.modalias: dmi:bvnLENOVO:bvr71CN51WW(V1.21):bd07/12/2013:svnLENOVO:pn20221:pvrLenovoIdeaPadZ500Touch:rvnLENOVO:rnINVALID:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoIdeaPadZ500Touch: dmi.product.name: 20221 dmi.product.version: Lenovo IdeaPad Z500 Touch dmi.sys.vendor: LENOVO hciconfig: hci0: Type: BR/EDR Bus: USB BD Address: 68:17:29:77:05:46 ACL MTU: 310:10 SCO MTU: 64:8 DOWN RX bytes:34853 acl:308 sco:0 events:1087 errors:0 TX bytes:10432 acl:322 sco:0 commands:265 errors:0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1458228/+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