bluetooth USB adapter troubleshooting

Thufir hawat.thufir at gmail.com
Sun Jun 5 23:30:12 UTC 2016


On a lower level, I can see the bluetooth hardware:

thufir at mordor:~$
thufir at mordor:~$ hciconfig
hci0:   Type: BR/EDR  Bus: USB
    BD Address: 00:11:22:98:76:54  ACL MTU: 1021:4  SCO MTU: 180:1
    UP RUNNING PSCAN ISCAN
    RX bytes:1118 acl:0 sco:0 events:39 errors:0
    TX bytes:413 acl:0 sco:0 commands:37 errors:0

thufir at mordor:~$
thufir at mordor:~$ hciconfig -a hci0
hci0:   Type: BR/EDR  Bus: USB
    BD Address: 00:11:22:98:76:54  ACL MTU: 1021:4  SCO MTU: 180:1
    UP RUNNING PSCAN ISCAN
    RX bytes:1118 acl:0 sco:0 events:39 errors:0
    TX bytes:413 acl:0 sco:0 commands:37 errors:0
    Features: 0xff 0x3e 0x09 0x76 0x80 0x01 0x00 0x80
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
    Link policy: RSWITCH HOLD SNIFF
    Link mode: SLAVE ACCEPT
    Name: 'mordor'
    Class: 0x0c0104
    Service Classes: Rendering, Capturing
    Device Class: Computer, Desktop workstation
    HCI Version: 2.0 (0x3)  Revision: 0x50
    LMP Version: 2.0 (0x3)  Subversion: 0x3
    Manufacturer: Mitel Semiconductor (16)

thufir at mordor:~$
thufir at mordor:~$ lsusb
Bus 002 Device 003: ID 0a48:3302 I/O Interconnect
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 003: ID 0a12:0001 Cambridge Silicon Radio, Ltd
Bluetooth Dongle (HCI mode)
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 002: ID 147a:e034 Formosa Industrial Computing, Inc.
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 003: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
Bus 004 Device 002: ID 045e:00b4 Microsoft Corp. Digital Media Keyboard 1.0A
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
thufir at mordor:~$

but on a higher level, sure, I can click the GUI to configure the
bluetooth adapter.

However, it doesn't seem to actually work with the BT gadgets I have.
It shows as paired, but as not.   The GUI shows that the pairing
failed, fine, but then shows that the speaker is paired.  It's not.
How do I even troubleshoot that?
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