$ dmesg | egrep -i 'at3k|btusb|blue' [ 9.232632] Bluetooth: Core ver 2.19 [ 9.232647] Bluetooth: HCI device and connection manager initialized [ 9.232654] Bluetooth: HCI socket layer initialized [ 9.232656] Bluetooth: L2CAP socket layer initialized [ 9.232664] Bluetooth: SCO socket layer initialized [ 9.232804] btusb: module verification failed: signature and/or required key missing - tainting kernel [ 9.232983] usbcore: registered new interface driver btusb [ 9.306789] Bluetooth: Patch file not found ar3k/AthrBT_0x11020100.dfu [ 9.306792] Bluetooth: Loading patch file failed [ 10.246328] Bluetooth: RFCOMM TTY layer initialized [ 10.246336] Bluetooth: RFCOMM socket layer initialized [ 10.246340] Bluetooth: RFCOMM ver 1.11 [ 10.253265] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 10.253267] Bluetooth: BNEP filters: protocol multicast [ 10.253275] Bluetooth: BNEP socket layer initialized
Can you tell which exactly firmware file from Windows? Because there were lots of them in that folder Program Files\Common Files\QCA- Bluetooth -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-utopic in Ubuntu. https://bugs.launchpad.net/bugs/1462614 Title: Atheros bluetooth doesn't find the devices Status in linux-lts-utopic package in Ubuntu: In Progress Bug description: I have a laptop Acer v15 with Qualcom Atheros bluetooth and Logitech M557 mouse, which worked well initially. Then after disconnecting the mouse, my bluetooth adapter can't find any bluetooth devices nearby (I've also tried the Samsung s4). This bug is reproducable in Elementary OS 0.3, Ubuntu 15.04 and 14.04, Mint 17.1 and 17. Here are some outputs from terminal: $ lsusb Bus 002 Device 002: ID 8087:8000 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:8008 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 004: ID 04f2:b474 Chicony Electronics Co., Ltd Bus 003 Device 003: ID 06cb:2970 Synaptics, Inc. Bus 003 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller Bus 003 Device 005: ID 0489:e076 Foxconn / Hon Hai Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub $ hciconfig hci0: Type: BR/EDR Bus: USB BD Address: C0:38:96:6C:06:7E ACL MTU: 1022:8 SCO MTU: 183:5 UP RUNNING PSCAN ISCAN RX bytes:1725 acl:0 sco:0 events:164 errors:0 TX bytes:3394 acl:0 sco:0 commands:151 errors:0 $ sudo awk -vRS= '/e076/' /sys/kernel/debug/usb/devices T: Bus=03 Lev=01 Prnt=01 Port=09 Cnt=05 Dev#= 5 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0489 ProdID=e076 Rev= 0.01 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms Thanks to @Pilot6 for help with debugging this. Initial question started on askubuntu.com http://askubuntu.com/questions/632589/bluetooth-doesnt-find-the-devices ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-38-generic 3.16.0-38.52~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10 Uname: Linux 3.16.0-38-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.11 Architecture: amd64 CurrentDesktop: Unity Date: Sat Jun 6 14:38:16 2015 InstallationDate: Installed on 2015-06-06 (0 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) SourcePackage: linux-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-utopic/+bug/1462614/+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