Version: (using KDE 4.4.2) OS: Linux Installed from: Ubuntu Packages pch@pch:~$ dmesg | grep Blue [ 18.569215] Bluetooth: Core ver 2.15 [ 18.569410] Bluetooth: HCI device and connection manager initialized [ 18.569415] Bluetooth: HCI socket layer initialized [ 18.582002] Bluetooth: Generic Bluetooth USB driver ver 0.6 [ 19.052493] Bluetooth: L2CAP ver 2.14 [ 19.052500] Bluetooth: L2CAP socket layer initialized [ 19.093959] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 19.093965] Bluetooth: BNEP filters: protocol multicast [ 19.195722] Bluetooth: SCO (Voice Link) ver 0.6 [ 19.195728] Bluetooth: SCO socket layer initialized [ 19.472421] Bluetooth: RFCOMM TTY layer initialized [ 19.472430] Bluetooth: RFCOMM socket layer initialized [ 19.472434] Bluetooth: RFCOMM ver 1.11 pch@pch:~$ hciconfig -a hci0: Type: USB BD Address: 00:10:60:AB:87:1E ACL MTU: 192:8 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:689 acl:0 sco:0 events:22 errors:0 TX bytes:86 acl:0 sco:0 commands:22 errors:0 Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: Link mode: SLAVE ACCEPT Name: 'James-1711����' */this error/* Class: 0x4a0000 Service Classes: Networking, Capturing, Telephony Device Class: Miscellaneous, HCI Ver: 1.1 (0x1) HCI Rev: 0x460 LMP Ver: 1.1 (0x1) LMP Subver: 0x460 Manufacturer: Cambridge Silicon Radio (10) pch@pch:~$ hcitool dev Devices: hci0 00:10:60:AB:87:1E pch@pch:~$ hcitool scan Scanning ... 00:1D:28:14:81:1A P1i */you phone /* pch@pch:~$ sudo hciconfig dev hci0: Type: USB BD Address: 00:10:60:AB:87:1E ACL MTU: 192:8 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:1255 acl:0 sco:0 events:30 errors:0 TX bytes:116 acl:0 sco:0 commands:27 errors:0 pch@pch:~$ sudo hciconfig inq hci0: Type: USB BD Address: 00:10:60:AB:87:1E ACL MTU: 192:8 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:1255 acl:0 sco:0 events:30 errors:0 TX bytes:116 acl:0 sco:0 commands:27 errors:0 pch@pch:~$ kbluetooth-inputwizard Bluetooth Adapters QApplication::qAppName: Please instantiate the QApplication object first <unknown program name>(4891)/ KSycocaPrivate::openDatabase: Trying to open ksycoca from "/var/tmp/kdecache-pch/ksycoca4" <unknown program name>(4891)/ kde4Factory: The library "/usr/lib/kde4/solid_bluez.so" does not offer a qt_plugin_instance function. No Bluetooth Adapter found!
I'm having the same problem. KBluetooth also crashes when I suspend and wake the laptop and it thinks an adapter is connected. Gentoo KDE 4.3.5 kbluetooth 0.4.2 blueZ 4.63 $ hciconfig -a hci0: Type: BR/EDR Bus: USB BD Address: 00:21:86:71:86:76 ACL MTU: 1017:8 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:971 acl:0 sco:0 events:28 errors:0 TX bytes:367 acl:0 sco:0 commands:28 errors:0 Features: 0xff 0xff 0x8f 0xfe 0x9b 0xf9 0x00 0x80 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT Name: 'wheeljack-linux-0' Class: 0x4a010c Service Classes: Networking, Capturing, Telephony Device Class: Computer, Laptop HCI Version: 2.0 (0x3) Revision: 0x2129 LMP Version: 2.0 (0x3) Subversion: 0x41cf Manufacturer: Broadcom Corporation (15) $ hcitool scan Scanning ... 00:21:E9:D6:FF:25 MacBook Pro (4) 00:1B:63:5F:11:A9 Mini-Style 00:23:6C:AD:F5:35 MacBook Pro 00:1B:DC:30:06:C6 GME229B $ kbluetooth-devicemanager No Bluetooth Adapter found! $ kbluetooth-inputwizard Bluetooth Adapters QApplication::qAppName: Please instantiate the QApplication object first <unknown program name>(9042)/ KSycocaPrivate::openDatabase: Trying to open ksycoca from "/var/tmp/kdecache-me262/ksycoca4" <unknown program name>(9042)/ kde4Factory: The library "/usr/lib64/kde4/solid_bluez.so" does not offer a qt_plugin_instance function. No Bluetooth Adapter found! $ solid-bluetooth listadapters $ $ solid-hardware list udi = '/org/freedesktop/Hal/devices/leds_iwl_phy0_RX' ... udi = '/org/freedesktop/Hal/devices/usb_device_3f0_171d_noserial_if0_bluetooth_hci_2186718676'
*** This bug has been marked as a duplicate of bug 270702 ***