Problems with bluez

Problems with bluez

[Matteo Formigli]

Hi all!


I am using Ubuntu 16.04 and there is no way to make the bluetooth work. 
Every time I try to pair to my bluetooth headset bluez crashes. I really 
don't know where to start solving this problem and I really hope that 
someone on this list can help me.

Thanks in advance for your help!

Matteo

P.s. The following is the output of the dpkg --status of the bluez packgage

:~$ dpkg --status bluez
Package: bluez
Status: install ok installed
Priority: optional
Section: admin
Installed-Size: 4119
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Architecture: amd64
Multi-Arch: foreign
Version: 5.37-0ubuntu5.1
Replaces: bluez-alsa, bluez-audio (<= 3.36-3), bluez-input, 
bluez-network, bluez-serial, bluez-utils (<= 3.36-3), udev (<< 170-1)
Depends: libc6 (>= 2.15), libdbus-1-3 (>= 1.9.14), libglib2.0-0 (>= 
2.31.8), libreadline6 (>= 6.0), libudev1 (>= 196), init-system-helpers 
(>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), kmod, udev (>= 170-1), dbus
Breaks: udev (<< 170-1)
Conflicts: bluez-alsa, bluez-audio (<= 3.36-3), bluez-utils (<= 3.36-3)
Conffiles:
  /etc/bluetooth/input.conf
  /etc/bluetooth/main.conf
  /etc/bluetooth/network.conf
  /etc/bluetooth/proximity.conf
  /etc/dbus-1/system.d/bluetooth.conf
  /etc/init.d/bluetooth
  /etc/init/bluetooth.conf
Description: Bluetooth tools and daemons
  This package contains tools and system daemons for using Bluetooth 
devices.
  .
  BlueZ is the official Linux Bluetooth protocol stack. It is an Open 
Source
  project distributed under GNU General Public License (GPL).
Homepage: http://www.bluez.org
Original-Maintainer: Debian Bluetooth Maintainers 
<pkg-bluetooth-maintainers@lists.alioth.deb

Re: Problems with bluez

[Luiz Augusto von Dentz]

Hi Matteo,

On Tue, May 28, 2019 at 9:38 PM Matteo Formigli
<matteo.formigli@gmail.com> wrote:
>
> Hi all!
>
>
> I am using Ubuntu 16.04 and there is no way to make the bluetooth work.
> Every time I try to pair to my bluetooth headset bluez crashes. I really
> don't know where to start solving this problem and I really hope that
> someone on this list can help me.

Maybe it would help if you update your version of BlueZ, or better yet
update your ubuntu, if that still doesn't work then we may have a look
at some logs and HCI traces.

> Thanks in advance for your help!
>
> Matteo
>
> P.s. The following is the output of the dpkg --status of the bluez packgage
>
> :~$ dpkg --status bluez
> Package: bluez
> Status: install ok installed
> Priority: optional
> Section: admin
> Installed-Size: 4119
> Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
> Architecture: amd64
> Multi-Arch: foreign
> Version: 5.37-0ubuntu5.1
> Replaces: bluez-alsa, bluez-audio (<= 3.36-3), bluez-input,
> bluez-network, bluez-serial, bluez-utils (<= 3.36-3), udev (<< 170-1)
> Depends: libc6 (>= 2.15), libdbus-1-3 (>= 1.9.14), libglib2.0-0 (>=
> 2.31.8), libreadline6 (>= 6.0), libudev1 (>= 196), init-system-helpers
> (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), kmod, udev (>= 170-1), dbus
> Breaks: udev (<< 170-1)
> Conflicts: bluez-alsa, bluez-audio (<= 3.36-3), bluez-utils (<= 3.36-3)
> Conffiles:
>   /etc/bluetooth/input.conf
>   /etc/bluetooth/main.conf
>   /etc/bluetooth/network.conf
>   /etc/bluetooth/proximity.conf
>   /etc/dbus-1/system.d/bluetooth.conf
>   /etc/init.d/bluetooth
>   /etc/init/bluetooth.conf
> Description: Bluetooth tools and daemons
>   This package contains tools and system daemons for using Bluetooth
> devices.
>   .
>   BlueZ is the official Linux Bluetooth protocol stack. It is an Open
> Source
>   project distributed under GNU General Public License (GPL).
> Homepage: http://www.bluez.org
> Original-Maintainer: Debian Bluetooth Maintainers
> <pkg-bluetooth-maintainers@lists.alioth.deb
>


-- 
Luiz Augusto von Dentz

Re: Problems with bluez

[Matteo Formigli]

Hi Luiz!

First, thanks for your answer! For now I can't upgrade my ubuntu, but I 
already tried to upgrade bluez launching classic shell commands such as 
apt-get update, upgrade and dist-upgrade. But bluez remains at version 
5.37. I have to tell you that I tried to uninstall bluez and than 
reinstall it. It was a gamble and maybe it went wrong, but I'm not sure.

About the logs and the HCI traces I don't have knowledge to provide you 
what you want on my own. Can you tell me what commands i have to put in 
the terminal?

Thanks in advance for your help!

Matteo

Il 28/05/19 20:54, Luiz Augusto von Dentz ha scritto:
> Hi Matteo,
>
> On Tue, May 28, 2019 at 9:38 PM Matteo Formigli
> <matteo.formigli@gmail.com> wrote:
>> Hi all!
>>
>>
>> I am using Ubuntu 16.04 and there is no way to make the bluetooth work.
>> Every time I try to pair to my bluetooth headset bluez crashes. I really
>> don't know where to start solving this problem and I really hope that
>> someone on this list can help me.
> Maybe it would help if you update your version of BlueZ, or better yet
> update your ubuntu, if that still doesn't work then we may have a look
> at some logs and HCI traces.
>
>> Thanks in advance for your help!
>>
>> Matteo
>>
>> P.s. The following is the output of the dpkg --status of the bluez packgage
>>
>> :~$ dpkg --status bluez
>> Package: bluez
>> Status: install ok installed
>> Priority: optional
>> Section: admin
>> Installed-Size: 4119
>> Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
>> Architecture: amd64
>> Multi-Arch: foreign
>> Version: 5.37-0ubuntu5.1
>> Replaces: bluez-alsa, bluez-audio (<= 3.36-3), bluez-input,
>> bluez-network, bluez-serial, bluez-utils (<= 3.36-3), udev (<< 170-1)
>> Depends: libc6 (>= 2.15), libdbus-1-3 (>= 1.9.14), libglib2.0-0 (>=
>> 2.31.8), libreadline6 (>= 6.0), libudev1 (>= 196), init-system-helpers
>> (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), kmod, udev (>= 170-1), dbus
>> Breaks: udev (<< 170-1)
>> Conflicts: bluez-alsa, bluez-audio (<= 3.36-3), bluez-utils (<= 3.36-3)
>> Conffiles:
>>    /etc/bluetooth/input.conf
>>    /etc/bluetooth/main.conf
>>    /etc/bluetooth/network.conf
>>    /etc/bluetooth/proximity.conf
>>    /etc/dbus-1/system.d/bluetooth.conf
>>    /etc/init.d/bluetooth
>>    /etc/init/bluetooth.conf
>> Description: Bluetooth tools and daemons
>>    This package contains tools and system daemons for using Bluetooth
>> devices.
>>    .
>>    BlueZ is the official Linux Bluetooth protocol stack. It is an Open
>> Source
>>    project distributed under GNU General Public License (GPL).
>> Homepage: http://www.bluez.org
>> Original-Maintainer: Debian Bluetooth Maintainers
>> <pkg-bluetooth-maintainers@lists.alioth.deb
>>
>

Re: Problems with bluez

[Luiz Augusto von Dentz]

Hi Matteo,

On Tue, May 28, 2019 at 11:10 PM Matteo Formigli
<matteo.formigli@gmail.com> wrote:
>
> Hi Luiz!
>
> First, thanks for your answer! For now I can't upgrade my ubuntu, but I
> already tried to upgrade bluez launching classic shell commands such as
> apt-get update, upgrade and dist-upgrade. But bluez remains at version
> 5.37. I have to tell you that I tried to uninstall bluez and than
> reinstall it. It was a gamble and maybe it went wrong, but I'm not sure.
>
> About the logs and the HCI traces I don't have knowledge to provide you
> what you want on my own. Can you tell me what commands i have to put in
> the terminal?

5.37 is quite old so there is a high risk there something new, like
LE/GATT connection, that happens to be unstable at that point. You can
use btmon to collect the the HCI traces:

> sudo btmon -t

You can also check the daemon logs with:

> sudo journalctl --unit=bluetooth.service

> Thanks in advance for your help!
>
> Matteo
>
> Il 28/05/19 20:54, Luiz Augusto von Dentz ha scritto:
> > Hi Matteo,
> >
> > On Tue, May 28, 2019 at 9:38 PM Matteo Formigli
> > <matteo.formigli@gmail.com> wrote:
> >> Hi all!
> >>
> >>
> >> I am using Ubuntu 16.04 and there is no way to make the bluetooth work.
> >> Every time I try to pair to my bluetooth headset bluez crashes. I really
> >> don't know where to start solving this problem and I really hope that
> >> someone on this list can help me.
> > Maybe it would help if you update your version of BlueZ, or better yet
> > update your ubuntu, if that still doesn't work then we may have a look
> > at some logs and HCI traces.
> >
> >> Thanks in advance for your help!
> >>
> >> Matteo
> >>
> >> P.s. The following is the output of the dpkg --status of the bluez packgage
> >>
> >> :~$ dpkg --status bluez
> >> Package: bluez
> >> Status: install ok installed
> >> Priority: optional
> >> Section: admin
> >> Installed-Size: 4119
> >> Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
> >> Architecture: amd64
> >> Multi-Arch: foreign
> >> Version: 5.37-0ubuntu5.1
> >> Replaces: bluez-alsa, bluez-audio (<= 3.36-3), bluez-input,
> >> bluez-network, bluez-serial, bluez-utils (<= 3.36-3), udev (<< 170-1)
> >> Depends: libc6 (>= 2.15), libdbus-1-3 (>= 1.9.14), libglib2.0-0 (>=
> >> 2.31.8), libreadline6 (>= 6.0), libudev1 (>= 196), init-system-helpers
> >> (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), kmod, udev (>= 170-1), dbus
> >> Breaks: udev (<< 170-1)
> >> Conflicts: bluez-alsa, bluez-audio (<= 3.36-3), bluez-utils (<= 3.36-3)
> >> Conffiles:
> >>    /etc/bluetooth/input.conf
> >>    /etc/bluetooth/main.conf
> >>    /etc/bluetooth/network.conf
> >>    /etc/bluetooth/proximity.conf
> >>    /etc/dbus-1/system.d/bluetooth.conf
> >>    /etc/init.d/bluetooth
> >>    /etc/init/bluetooth.conf
> >> Description: Bluetooth tools and daemons
> >>    This package contains tools and system daemons for using Bluetooth
> >> devices.
> >>    .
> >>    BlueZ is the official Linux Bluetooth protocol stack. It is an Open
> >> Source
> >>    project distributed under GNU General Public License (GPL).
> >> Homepage: http://www.bluez.org
> >> Original-Maintainer: Debian Bluetooth Maintainers
> >> <pkg-bluetooth-maintainers@lists.alioth.deb
> >>
> >



-- 
Luiz Augusto von Dentz

Re: Problems with bluez

[Matteo Formigli]

Hi Luiz!

Thanks for your advice. Now I am in a public library with a lot of 
bluetooth devices around so I think the btmon has quite an unreadable 
output. I will try to do it at home this evening. Instead I am postin 
here the output for the deamon logs:

:~$ sudo journalctl --unit=bluetooth.service
-- Logs begin at mer 2019-05-29 14:39:16 CEST, end at mer 2019-05-29 
14:53:13 CEST. --
mag 29 14:39:17 Sigmund-Lenovo systemd[1]: Starting Bluetooth service...
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Bluetooth daemon 5.37
mag 29 14:39:17 Sigmund-Lenovo systemd[1]: Started Bluetooth service.
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Starting SDP server
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Bluetooth management 
interface 1.10 initialized
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Failed to obtain 
handles for "Service Changed" characteristic
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Not enough free handles 
to register service
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Error adding Link Loss 
service
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Not enough free handles 
to register service
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Not enough free handles 
to register service
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Not enough free handles 
to register service
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Current Time Service 
could not be registered
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: gatt-time-server: 
Input/output error (5)
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Not enough free handles 
to register service
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Not enough free handles 
to register service
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: Sap driver 
initialization failed.
mag 29 14:39:17 Sigmund-Lenovo bluetoothd[1144]: sap-server: Operation 
not permitted (1)
mag 29 14:39:23 Sigmund-Lenovo bluetoothd[1144]: Endpoint registered: 
sender=:1.43 path=/MediaEndpoint/A2DPSource
mag 29 14:39:23 Sigmund-Lenovo bluetoothd[1144]: Endpoint registered: 
sender=:1.43 path=/MediaEndpoint/A2DPSink
mag 29 14:39:54 Sigmund-Lenovo bluetoothd[1144]: Endpoint registered: 
sender=:1.78 path=/MediaEndpoint/A2DPSource
mag 29 14:39:54 Sigmund-Lenovo bluetoothd[1144]: Endpoint registered: 
sender=:1.78 path=/MediaEndpoint/A2DPSink
mag 29 14:39:54 Sigmund-Lenovo bluetoothd[1144]: RFCOMM server failed 
for Headset Voice gateway: rfcomm_bind: Address already in use (98)
mag 29 14:40:11 Sigmund-Lenovo bluetoothd[1144]: Endpoint unregistered: 
sender=:1.43 path=/MediaEndpoint/A2DPSource
mag 29 14:40:11 Sigmund-Lenovo bluetoothd[1144]: Endpoint unregistered: 
sender=:1.43 path=/MediaEndpoint/A2DPSink

It seems that there are a lot of things that does not work... In any 
case do you think that bluez 5.37 is the last version of bluez 
compatible with my ubuntu 16.04 or there is some kind of broken package 
in my system?

Thanks a lot!

Regards,

Matteo

Il 29/05/19 14:22, Luiz Augusto von Dentz ha scritto:
> Hi Matteo,
>
> On Tue, May 28, 2019 at 11:10 PM Matteo Formigli
> <matteo.formigli@gmail.com> wrote:
>> Hi Luiz!
>>
>> First, thanks for your answer! For now I can't upgrade my ubuntu, but I
>> already tried to upgrade bluez launching classic shell commands such as
>> apt-get update, upgrade and dist-upgrade. But bluez remains at version
>> 5.37. I have to tell you that I tried to uninstall bluez and than
>> reinstall it. It was a gamble and maybe it went wrong, but I'm not sure.
>>
>> About the logs and the HCI traces I don't have knowledge to provide you
>> what you want on my own. Can you tell me what commands i have to put in
>> the terminal?
> 5.37 is quite old so there is a high risk there something new, like
> LE/GATT connection, that happens to be unstable at that point. You can
> use btmon to collect the the HCI traces:
>
>> sudo btmon -t
> You can also check the daemon logs with:
>
>> sudo journalctl --unit=bluetooth.service
>> Thanks in advance for your help!
>>
>> Matteo
>>
>> Il 28/05/19 20:54, Luiz Augusto von Dentz ha scritto:
>>> Hi Matteo,
>>>
>>> On Tue, May 28, 2019 at 9:38 PM Matteo Formigli
>>> <matteo.formigli@gmail.com> wrote:
>>>> Hi all!
>>>>
>>>>
>>>> I am using Ubuntu 16.04 and there is no way to make the bluetooth work.
>>>> Every time I try to pair to my bluetooth headset bluez crashes. I really
>>>> don't know where to start solving this problem and I really hope that
>>>> someone on this list can help me.
>>> Maybe it would help if you update your version of BlueZ, or better yet
>>> update your ubuntu, if that still doesn't work then we may have a look
>>> at some logs and HCI traces.
>>>
>>>> Thanks in advance for your help!
>>>>
>>>> Matteo
>>>>
>>>> P.s. The following is the output of the dpkg --status of the bluez packgage
>>>>
>>>> :~$ dpkg --status bluez
>>>> Package: bluez
>>>> Status: install ok installed
>>>> Priority: optional
>>>> Section: admin
>>>> Installed-Size: 4119
>>>> Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
>>>> Architecture: amd64
>>>> Multi-Arch: foreign
>>>> Version: 5.37-0ubuntu5.1
>>>> Replaces: bluez-alsa, bluez-audio (<= 3.36-3), bluez-input,
>>>> bluez-network, bluez-serial, bluez-utils (<= 3.36-3), udev (<< 170-1)
>>>> Depends: libc6 (>= 2.15), libdbus-1-3 (>= 1.9.14), libglib2.0-0 (>=
>>>> 2.31.8), libreadline6 (>= 6.0), libudev1 (>= 196), init-system-helpers
>>>> (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), kmod, udev (>= 170-1), dbus
>>>> Breaks: udev (<< 170-1)
>>>> Conflicts: bluez-alsa, bluez-audio (<= 3.36-3), bluez-utils (<= 3.36-3)
>>>> Conffiles:
>>>>     /etc/bluetooth/input.conf
>>>>     /etc/bluetooth/main.conf
>>>>     /etc/bluetooth/network.conf
>>>>     /etc/bluetooth/proximity.conf
>>>>     /etc/dbus-1/system.d/bluetooth.conf
>>>>     /etc/init.d/bluetooth
>>>>     /etc/init/bluetooth.conf
>>>> Description: Bluetooth tools and daemons
>>>>     This package contains tools and system daemons for using Bluetooth
>>>> devices.
>>>>     .
>>>>     BlueZ is the official Linux Bluetooth protocol stack. It is an Open
>>>> Source
>>>>     project distributed under GNU General Public License (GPL).
>>>> Homepage: http://www.bluez.org
>>>> Original-Maintainer: Debian Bluetooth Maintainers
>>>> <pkg-bluetooth-maintainers@lists.alioth.deb
>>>>
>
>

Re: Problems with bluez

[Matteo Formigli]

Hi!

As I promised the following is the output of the sudo btmon -t:


Bluetooth monitor ver 5.37
= New Index: 2C:33:7A:F2:01:56 (BR/EDR,USB,hci0)         [hci0] 
09:05:50.702817
= Open Index: 2C:33:7A:F2:01:56                          [hci0] 
09:05:50.702817
= Index Info: 2C:33:7A:F2:01:56 (Broadcom Corporation)   [hci0] 
09:05:50.702817
< HCI Command: Create Connection (0x01|0x0005) plen 13   [hci0] 
09:07:08.192394
         Address: CD:AF:51:0C:34:BF (OUI CD-AF-51)
         Packet type: 0xcc18
           DM1 may be used
           DH1 may be used
           DM3 may be used
           DH3 may be used
           DM5 may be used
           DH5 may be used
         Page scan repetition mode: R2 (0x02)
         Page scan mode: Mandatory (0x00)
         Clock offset: 0x0000
         Role switch: Allow slave (0x01)
 > HCI Event: Command Status (0x0f) plen 4                [hci0] 
09:07:08.193165
       Create Connection (0x01|0x0005) ncmd 1
         Status: Success (0x00)
 > HCI Event: Connect Complete (0x03) plen 11             [hci0] 
09:07:38.841272
         Status: LMP Response Timeout / LL Response Timeout (0x22)
         Handle: 12
         Address: CD:AF:51:0C:34:BF (OUI CD-AF-51)
         Link type: ACL (0x01)
         Encryption: Disabled (0x00)
@ Connect Failed: CD:AF:51:0C:34:BF (0) status 0x08
< HCI Command: LE Set Random Add.. (0x08|0x0005) plen 6  [hci0] 
09:08:08.321207
         Address: 17:0A:49:B4:38:4A (Non-Resolvable)
 > HCI Event: Command Complete (0x0e) plen 4              [hci0] 
09:08:08.322317
       LE Set Random Address (0x08|0x0005) ncmd 1
         Status: Success (0x00)
< HCI Command: LE Set Scan Param.. (0x08|0x000b) plen 7  [hci0] 
09:08:08.322367
         Type: Active (0x01)
         Interval: 11.250 msec (0x0012)
         Window: 11.250 msec (0x0012)
         Own address type: Random (0x01)
         Filter policy: Accept all advertisement (0x00)
 > HCI Event: Command Complete (0x0e) plen 4              [hci0] 
09:08:08.323311
       LE Set Scan Parameters (0x08|0x000b) ncmd 1
         Status: Success (0x00)
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2   [hci0] 
09:08:08.323344
         Scanning: Enabled (0x01)
         Filter duplicates: Enabled (0x01)
 > HCI Event: Command Complete (0x0e) plen 4              [hci0] 
09:08:08.324311
       LE Set Scan Enable (0x08|0x000c) ncmd 1
         Status: Success (0x00)
@ Discovering: 0x01 (7)
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2   [hci0] 
09:08:13.460023
         Scanning: Disabled (0x00)
         Filter duplicates: Disabled (0x00)
 > HCI Event: Command Complete (0x0e) plen 4              [hci0] 
09:08:13.462277
       LE Set Scan Enable (0x08|0x000c) ncmd 1
         Status: Success (0x00)
< HCI Command: Inquiry (0x01|0x0001) plen 5              [hci0] 
09:08:13.462302
         Access code: 0x9e8b33 (General Inquiry)
         Length: 5.12s (0x04)
         Num responses: 0
 > HCI Event: Command Status (0x0f) plen 4                [hci0] 
09:08:13.468275
       Inquiry (0x01|0x0001) ncmd 1
         Status: Success (0x00)
 > HCI Event: Inquiry Complete (0x01) plen 1              [hci0] 
09:08:18.591332
         Status: Success (0x00)
@ Discovering: 0x00 (7)
< HCI Command: LE Set Random Add.. (0x08|0x0005) plen 6  [hci0] 
09:08:24.326331
         Address: 3C:0B:A7:7E:04:DA (Non-Resolvable)
 > HCI Event: Command Complete (0x0e) plen 4              [hci0] 
09:08:24.327311
       LE Set Random Address (0x08|0x0005) ncmd 1
         Status: Success (0x00)
< HCI Command: LE Set Scan Param.. (0x08|0x000b) plen 7  [hci0] 
09:08:24.327329
         Type: Active (0x01)
         Interval: 11.250 msec (0x0012)
         Window: 11.250 msec (0x0012)
         Own address type: Random (0x01)
         Filter policy: Accept all advertisement (0x00)
 > HCI Event: Command Complete (0x0e) plen 4              [hci0] 
09:08:24.328350
       LE Set Scan Parameters (0x08|0x000b) ncmd 1
         Status: Success (0x00)
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2   [hci0] 
09:08:24.328381
         Scanning: Enabled (0x01)
         Filter duplicates: Enabled (0x01)
 > HCI Event: Command Complete (0x0e) plen 4              [hci0] 
09:08:24.329293
       LE Set Scan Enable (0x08|0x000c) ncmd 1
         Status: Success (0x00)
@ Discovering: 0x01 (7)


Thanks in advance,

Matteo

Il 29/05/19 14:22, Luiz Augusto von Dentz ha scritto:
> Hi Matteo,
>
> On Tue, May 28, 2019 at 11:10 PM Matteo Formigli
> <matteo.formigli@gmail.com> wrote:
>> Hi Luiz!
>>
>> First, thanks for your answer! For now I can't upgrade my ubuntu, but I
>> already tried to upgrade bluez launching classic shell commands such as
>> apt-get update, upgrade and dist-upgrade. But bluez remains at version
>> 5.37. I have to tell you that I tried to uninstall bluez and than
>> reinstall it. It was a gamble and maybe it went wrong, but I'm not sure.
>>
>> About the logs and the HCI traces I don't have knowledge to provide you
>> what you want on my own. Can you tell me what commands i have to put in
>> the terminal?
> 5.37 is quite old so there is a high risk there something new, like
> LE/GATT connection, that happens to be unstable at that point. You can
> use btmon to collect the the HCI traces:
>
>> sudo btmon -t
> You can also check the daemon logs with:
>
>> sudo journalctl --unit=bluetooth.service
>> Thanks in advance for your help!
>>
>> Matteo
>>
>> Il 28/05/19 20:54, Luiz Augusto von Dentz ha scritto:
>>> Hi Matteo,
>>>
>>> On Tue, May 28, 2019 at 9:38 PM Matteo Formigli
>>> <matteo.formigli@gmail.com> wrote:
>>>> Hi all!
>>>>
>>>>
>>>> I am using Ubuntu 16.04 and there is no way to make the bluetooth work.
>>>> Every time I try to pair to my bluetooth headset bluez crashes. I really
>>>> don't know where to start solving this problem and I really hope that
>>>> someone on this list can help me.
>>> Maybe it would help if you update your version of BlueZ, or better yet
>>> update your ubuntu, if that still doesn't work then we may have a look
>>> at some logs and HCI traces.
>>>
>>>> Thanks in advance for your help!
>>>>
>>>> Matteo
>>>>
>>>> P.s. The following is the output of the dpkg --status of the bluez packgage
>>>>
>>>> :~$ dpkg --status bluez
>>>> Package: bluez
>>>> Status: install ok installed
>>>> Priority: optional
>>>> Section: admin
>>>> Installed-Size: 4119
>>>> Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
>>>> Architecture: amd64
>>>> Multi-Arch: foreign
>>>> Version: 5.37-0ubuntu5.1
>>>> Replaces: bluez-alsa, bluez-audio (<= 3.36-3), bluez-input,
>>>> bluez-network, bluez-serial, bluez-utils (<= 3.36-3), udev (<< 170-1)
>>>> Depends: libc6 (>= 2.15), libdbus-1-3 (>= 1.9.14), libglib2.0-0 (>=
>>>> 2.31.8), libreadline6 (>= 6.0), libudev1 (>= 196), init-system-helpers
>>>> (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), kmod, udev (>= 170-1), dbus
>>>> Breaks: udev (<< 170-1)
>>>> Conflicts: bluez-alsa, bluez-audio (<= 3.36-3), bluez-utils (<= 3.36-3)
>>>> Conffiles:
>>>>     /etc/bluetooth/input.conf
>>>>     /etc/bluetooth/main.conf
>>>>     /etc/bluetooth/network.conf
>>>>     /etc/bluetooth/proximity.conf
>>>>     /etc/dbus-1/system.d/bluetooth.conf
>>>>     /etc/init.d/bluetooth
>>>>     /etc/init/bluetooth.conf
>>>> Description: Bluetooth tools and daemons
>>>>     This package contains tools and system daemons for using Bluetooth
>>>> devices.
>>>>     .
>>>>     BlueZ is the official Linux Bluetooth protocol stack. It is an Open
>>>> Source
>>>>     project distributed under GNU General Public License (GPL).
>>>> Homepage: http://www.bluez.org
>>>> Original-Maintainer: Debian Bluetooth Maintainers
>>>> <pkg-bluetooth-maintainers@lists.alioth.deb
>>>>
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