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Old 06-13-2018, 05:07 AM   #1
gugu
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Registered: Oct 2015
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Problem with any bluetooth device


I have a problem in connecting bluetooth devices. It is weird: I tried with a JETech wireless Optical Mouse and with SONY MDR Headset. I have been using both devices in many different computers and they have always perfectly worked. I used them on windows, mac and linux systems (Debian Jessie).

Recently I bought a new laptop and with this laptop I have not been able to make them work. The weird thing is that with both devices the same thing happens: the bluetooth sees the device, it pairs with it, the device works for a very short time (maybe a minute) and that’s it. After one minute in bluetooth settings result connected but there is no way of making it work again. If I remove the device from the paired list and pair it again it happens the same (I tried it a thousand times).

My laptop is a Tuxedo InfinityBook PRO System: Ubuntu 16.04 (kernel 4.13.0-45-generic)

Any help is apreciated

Thanks in advance
 
Old 06-14-2018, 09:14 AM   #2
Timothy Miller
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Sounds like it might be the bluetooth controller or driver to me. What's the bluetooth chipset?
 
Old 06-14-2018, 09:55 AM   #3
gugu
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Thanks for your answer. I am not sure actually. How do I check?

In the meanwhile I publish some updates on the problem. Some update:

I tried to restart the device with the following commands:
Code:
sudo hciconfig hci0 reset
Code:
sudo hciconfig hci0 up
Then the output of hciconfig was
Code:
guido@guido:~$ hciconfig -a
hci0:   Type: BR/EDR  Bus: USB
   BD Address: F8:63:3F:CF:96:61  ACL MTU: 1021:4  SCO MTU: 96:6
   UP RUNNING PSCAN ISCAN
   RX bytes:97099 acl:0 sco:0 events:3315 errors:0
   TX bytes:605824 acl:0 sco:0 commands:2501 errors:0
   Features: 0xff 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
   Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
   Link policy: RSWITCH HOLD SNIFF
   Link mode: SLAVE ACCEPT
   Name: 'Bluemoon Universal Bluetooth Host Controller'
   Class: 0x000000
   Service Classes: Unspecified
   Device Class: Miscellaneous,
   HCI Version: 4.2 (0x8)  Revision: 0x100
   LMP Version: 4.2 (0x8)  Subversion: 0x100
   Manufacturer: Intel Corp. (2)
and of dmesg
Code:
guido@guido:~$ dmesg | grep Blue
[    5.616802] Bluetooth: Core ver 2.22
[    5.616816] Bluetooth: HCI device and connection manager initialized
[    5.616819] Bluetooth: HCI socket layer initialized
[    5.616821] Bluetooth: L2CAP socket layer initialized
[    5.616825] Bluetooth: SCO socket layer initialized
[    5.624812] Bluetooth: hci0: Bootloader revision 0.0 build 26 week 38 2015
[    5.625761] Bluetooth: hci0: Device revision is 16
[    5.625762] Bluetooth: hci0: Secure boot is enabled
[    5.625763] Bluetooth: hci0: OTP lock is enabled
[    5.625764] Bluetooth: hci0: API lock is enabled
[    5.625765] Bluetooth: hci0: Debug lock is disabled
[    5.625766] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[    5.626933] Bluetooth: hci0: Found device firmware: intel/ibt-12-16.sfi
[    7.043949] Bluetooth: hci0: Waiting for firmware download to complete
[    7.044736] Bluetooth: hci0: Firmware loaded in 1387411 usecs
[    7.044780] Bluetooth: hci0: Waiting for device to boot
[    7.056765] Bluetooth: hci0: Device booted in 11715 usecs
[    7.056910] Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-12-16.ddc
[    7.058750] Bluetooth: hci0: Applying Intel DDC parameters completed
[    7.125870] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    7.125872] Bluetooth: BNEP filters: protocol multicast
[    7.125876] Bluetooth: BNEP socket layer initialized
[    8.041439] Bluetooth: RFCOMM TTY layer initialized
[    8.041447] Bluetooth: RFCOMM socket layer initialized
[    8.041452] Bluetooth: RFCOMM ver 1.11
[   33.207747] Bluetooth: hci0: Firmware revision 0.1 build 103 week 50 2016
[ 2413.298764] Bluetooth: hci0 SCO packet for unknown connection handle 0
[ 2413.308787] Bluetooth: hci0 SCO packet for unknown connection handle 0
[ 2413.308793] Bluetooth: hci0 SCO packet for unknown connection handle 0
[ 2413.308796] Bluetooth: hci0 SCO packet for unknown connection handle 0
[ 2418.335344] Bluetooth: hci0 SCO packet for unknown connection handle 257
[ 2418.335354] Bluetooth: hci0 SCO packet for unknown connection handle 257
[ 2440.676748] Bluetooth: hci0 SCO packet for unknown connection handle 0
[ 2440.676752] Bluetooth: hci0 SCO packet for unknown connection handle 0
[ 2440.676753] Bluetooth: hci0 SCO packet for unknown connection handle 0
[ 2440.686752] Bluetooth: hci0 SCO packet for unknown connection handle 0
[ 2440.686757] Bluetooth: hci0 SCO packet for unknown connection handle 0
2 errors: class: 0x000000 in the first one and the unknown connection handle in the second.

Then i tried with a Live CD with Ubuntu 12.04 and it works perfectly from the beginning.

hciconfig -a from the live gave the following
Code:
ubuntu@ubuntu:~$ hciconfig -a
hci0:   Type: BR/EDR  Bus: USB
   BD Address: F8:63:3F:CF:96:61  ACL MTU: 1021:4  SCO MTU: 96:6
   UP RUNNING PSCAN ISCAN
   RX bytes:419311 acl:70 sco:8327 events:172 errors:0
   TX bytes:414951 acl:62 sco:8084 commands:71 errors:0
   Features: 0xff 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
   Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
   Link policy: RSWITCH HOLD SNIFF
   Link mode: SLAVE ACCEPT
   Name: 'ubuntu-0'
   Class: 0x6e0100
   Service Classes: Networking, Rendering, Capturing, Audio, Telephony
   Device Class: Computer, Uncategorized
   HCI Version:  (0x8)  Revision: 0x100
   LMP Version:  (0x8)  Subversion: 0x100
   Manufacturer: Intel Corp. (2)

ubuntu@ubuntu:~$
No class: 0x000000 error.

So I tried to change the config files,
I create the following two files with the following commands:
Code:
# Defaults for bluez
# start bluetooth on boot?
# compatibility note: If this variable is not found bluetooth will
# start
BLUETOOTH_ENABLED=1

# This setting will switch HID devices (e.g mouse/keyboad) to HCI mode, that is
# you will have bluetooth functionality from your dongle instead of only HID.
# Note that not every bluetooth dongle is capable of switching back to HID
# mode, see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=355497
HID2HCI_ENABLED=1
HID2HCI_UNDO=1
And
Code:
sudo -H gedit /var/lib/bluetooth/F8:63:3F:CF:96:61/config
pasted those lines
Code:
name Bluemoon Universal Bluetooth Host Controller
pairable yes
class 0x6e0100
onmode discoverable
mode discoverable
Then I did
Code:
sudo chattr +i /var/lib/bluetooth/F8:63:3F:CF:96:61/config
and
Code:
sudo service bluetooth restart
At this point it was working hciconfig -a and dmesg did not show the errors anymore
Code:
guido@guido:~$ hciconfig -a
hci0:   Type: BR/EDR  Bus: USB
   BD Address: F8:63:3F:CF:96:61  ACL MTU: 1021:4  SCO MTU: 96:6
   UP RUNNING PSCAN ISCAN
   RX bytes:59688 acl:0 sco:0 events:703 errors:0
   TX bytes:4079 acl:0 sco:0 commands:124 errors:0
   Features: 0xff 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
   Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
   Link policy: RSWITCH HOLD SNIFF
   Link mode: SLAVE ACCEPT
   Name: 'guido'
   Class: 0x0c010c
   Service Classes: Rendering, Capturing
   Device Class: Computer, Laptop
   HCI Version: 4.2 (0x8)  Revision: 0x100
   LMP Version: 4.2 (0x8)  Subversion: 0x100
   Manufacturer: Intel Corp. (2)
And

Code:
guido@guido:~$ dmesg | grep Blue
[    5.588997] Bluetooth: Core ver 2.22
[    5.589012] Bluetooth: HCI device and connection manager initialized
[    5.589014] Bluetooth: HCI socket layer initialized
[    5.589016] Bluetooth: L2CAP socket layer initialized
[    5.589020] Bluetooth: SCO socket layer initialized
[    5.599821] Bluetooth: hci0: Bootloader revision 0.0 build 26 week 38 2015
[    5.600825] Bluetooth: hci0: Device revision is 16
[    5.600826] Bluetooth: hci0: Secure boot is enabled
[    5.600827] Bluetooth: hci0: OTP lock is enabled
[    5.600828] Bluetooth: hci0: API lock is enabled
[    5.600829] Bluetooth: hci0: Debug lock is disabled
[    5.600830] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[    5.601941] Bluetooth: hci0: Found device firmware: intel/ibt-12-16.sfi
[    7.020830] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    7.020833] Bluetooth: BNEP filters: protocol multicast
[    7.020837] Bluetooth: BNEP socket layer initialized
[    7.074578] Bluetooth: hci0: Waiting for firmware download to complete
[    7.074804] Bluetooth: hci0: Firmware loaded in 1441898 usecs
[    7.074851] Bluetooth: hci0: Waiting for device to boot
[    7.086819] Bluetooth: hci0: Device booted in 11702 usecs
[    7.086946] Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-12-16.ddc
[    7.088819] Bluetooth: hci0: Applying Intel DDC parameters completed
[    7.434820] Bluetooth: RFCOMM TTY layer initialized
[    7.434826] Bluetooth: RFCOMM socket layer initialized
[    7.434831] Bluetooth: RFCOMM ver 1.11
guido@guido:~$
But was just temporarily. As soon as I connect a device it says: connection completed successfully but the device does not work and, after connecting whatever bluetooth hardware, the hciconfig -a gives the class: 0x00000 error again

Code:
guido@guido:~$ hciconfig -a
hci0:   Type: BR/EDR  Bus: USB
   BD Address: F8:63:3F:CF:96:61  ACL MTU: 1021:4  SCO MTU: 96:6
   UP RUNNING PSCAN ISCAN
   RX bytes:41121 acl:0 sco:0 events:471 errors:0
   TX bytes:2799 acl:0 sco:0 commands:70 errors:0
   Features: 0xff 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
   Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
   Link policy: RSWITCH HOLD SNIFF
   Link mode: SLAVE ACCEPT
   Name: 'Bluemoon Universal Bluetooth Host Controller'
   Class: 0x000000
   Service Classes: Unspecified
   Device Class: Miscellaneous,
   HCI Version: 4.2 (0x8)  Revision: 0x100
   LMP Version: 4.2 (0x8)  Subversion: 0x100
   Manufacturer: Intel Corp. (2)

guido@guido:~$
Also if I reboot the laptop without connecting any device the error come back. This solution appears to work but it is not permanent somehow.

I tried all of this thanks to a guy in the Italian Ubuntu forum. Any suggestion about what to do starting from here is appreciated.

Tuxedo (my computer brand) suggested to follow this thread. I didn't have time yet and I am not completely sure that it's actually related to whats happening with my computer.

Last edited by gugu; 06-14-2018 at 09:56 AM.
 
Old 06-14-2018, 03:25 PM   #4
Timothy Miller
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Can you post the output of lspci and lsusb (for some reason a lot of bluetooth shows up as usb). If that thread is correct, I'd be betting you will have your bluetooth device ID be 0cf3:3004
 
Old 06-15-2018, 02:41 AM   #5
gugu
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Registered: Oct 2015
Posts: 15

Original Poster
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Hereee

Code:
guido@guido:~$ lspci
00:00.0 Host bridge: Intel Corporation Device 5914 (rev 08)
00:02.0 VGA compatible controller: Intel Corporation Device 5917 (rev 07)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
00:1d.0 PCI bridge: Intel Corporation Device 9d18 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Device 9d4e (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Device 9d71 (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 PCI bridge: Intel Corporation Device 15da (rev 02)
02:00.0 PCI bridge: Intel Corporation Device 15da (rev 02)
02:01.0 PCI bridge: Intel Corporation Device 15da (rev 02)
02:02.0 PCI bridge: Intel Corporation Device 15da (rev 02)
39:00.0 USB controller: Intel Corporation Device 15db (rev 02)
3a:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5287 (rev 01)
3a:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)
3b:00.0 Network controller: Intel Corporation Device 24fd (rev 78)
3c:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd Device a804
guido@guido:~$
and

Code:
guido@guido:~$ lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 046d:c30e Logitech, Inc. UltraX Keyboard (Y-BL49)
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 007: ID 8087:0a2b Intel Corp. 
Bus 001 Device 003: ID 064e:3410 Suyin Corp. 
Bus 001 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
guido@guido:~$
 
Old 06-15-2018, 09:13 AM   #6
Timothy Miller
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Well, that thread is wrong, you have intel...but it doesn't really show which chipset.

Just taking a guess, but can you post the output of
Code:
lsusb -v -d 8087:0a2b
Also, does your wifi work? I ask because what I'm assuming is your wifi device isn't showing what I'd expect for it's string (3b:00.0 Network controller: Intel Corporation Device 24fd (rev 78))

Given that it's a newer laptop with 16.04, honestly the EASIEST thing to recommend that will probably fix everything is to simply upgrade to 18.04 now that it's out, which will include newer firmware and a newer kernel with newer drivers.
 
Old 06-15-2018, 06:21 PM   #7
gugu
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Registered: Oct 2015
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here it is

Code:
guido@guido:~$ lsusb -v -d 8087:0a2b

Bus 001 Device 005: ID 8087:0a2b Intel Corp. 
Couldn't open device, some information will be missing
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          224 Wireless
  bDeviceSubClass         1 Radio Frequency
  bDeviceProtocol         1 Bluetooth
  bMaxPacketSize0        64
  idVendor           0x8087 Intel Corp.
  idProduct          0x0a2b 
  bcdDevice            0.10
  iManufacturer           0 
  iProduct                0 
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          177
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0000  1x 0 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0000  1x 0 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0009  1x 9 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0009  1x 9 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       2
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0011  1x 17 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0011  1x 17 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       3
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0019  1x 25 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0019  1x 25 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       4
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0021  1x 33 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0021  1x 33 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       5
      bNumEndpoints           2
      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0031  1x 49 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0031  1x 49 bytes
        bInterval               1
guido@guido:~$
On monday/tuesday I will try Ubuntu 18.04 live to see if everything works. I have never done an upgrade; a question: can I do it maintaining all my softwares and configurations?

About the wifi: yes, it works perfectly, never had a problem with it.
 
Old 06-15-2018, 07:36 PM   #8
Timothy Miller
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Yes, you can do an in-place upgrade from 16.04 to 18.04. The only thing that MIGHT have issues is if you have ppa's installed.

So, as I suspected, the USB device Bus 001 Device 007: ID 8087:0a2b Intel Corp. is your bluetooth.
 
  


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