Re: Problems with bluez

[Luiz Augusto von Dentz <luiz.dentz@gmail.com>]

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