Comment 44 for bug 1221995

@Rafael,

The linux-generic-lts-utopic kernel does not work for me too.

$ sudo apt-get install linux-generic-lts-utopic
<reboot>

$ uname -a
Linux soni 3.16.0-28-generic #38-Ubuntu SMP Sat Dec 13 16:13:28 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

$ lsb_release --all
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.1 LTS
Release: 14.04
Codename: trusty

$ apt-cache policy linux-generic-lts-utopic
linux-generic-lts-utopic:
  Installed: 3.16.0.28.21
  Candidate: 3.16.0.28.21
  Version table:
 *** 3.16.0.28.21 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
        100 /var/lib/dpkg/status

$ lsusb | grep Bluetooth
Bus 001 Device 003: ID 045e:0745 Microsoft Corp. Nano Transceiver v1.0 for Bluetooth
Bus 003 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

$ hciconfig
hci0: Type: BR/EDR Bus: USB
 BD Address: 00:1B:10:00:2A:EC ACL MTU: 1017:8 SCO MTU: 64:0
 DOWN
 RX bytes:494 acl:0 sco:0 events:20 errors:0
 TX bytes:75 acl:0 sco:0 commands:20 errors:0

$ hcitool scan
Device is not available: No such device