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Re: Sudden death of bluetooth headphone connectivity

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On Sat 05 Aug 2017 at 11:50:45 (+0900), Mark Fletcher wrote:
> On Thu, Aug 03, 2017 at 08:35:23PM -0300, Henrique de Moraes Holschuh wrote:
> > On Fri, 04 Aug 2017, Mark Fletcher wrote:
> > > suddenly stopped working. I didn't do an apt autoremove last Sunday, but 
> > > may have done one the Sunday before -- which would have been reckless 
> > 
> > The log files are at:
> > /var/log/apt*
> > /var/log/apt/*
> > 
> > Failing that:
> > /var/log/dpkg*
> > 
> > It will list everything that was updated, installed, removed, or purged.
> > 
> > -- 
> 
> OK I had a look in /var/log/apt/ folders at the history.log files. In 
> the one for July I determined that I ran an apt upgrade on July 16th, 
> one week before my trip, and the next time I did so was on July 29th, on 
> my return from my trip. So I displayed more restraint around updates 
> just before travelling than I remembered. In the week between July 16th 
> and July 23rd when I left for my trip, I definitely used the headphones, 
> so they were working after the July 16th update.
> 
> No update on July 23rd, which actually makes sense because I was up at 
> 5:30am to catch a plane. I might have done the update the day before, 
> but it seems i did not.
> 
> The upgrade record for July 29th has a long list of packages I will have 
> to go through in detail. I have already noticed both pulseaudio and udev 
> got updates so those are 2 possible candidates for the culprit. I seem 
> to recall there was also a kernel upgrade, meaning I would have rebooted 
> after the upgrade.
> 
> Next in the apt log is this:
> 
> Start-Date: 2017-07-29  23:46:36
> Commandline: apt autoremove
> Requested-By: mark (1000)
> Error: Sub-process /usr/bin/dpkg returned an error code (1)
> End-Date: 2017-07-29  23:46:41
> 
> [the dpkg error code is a red herring, I have zoneminder installed but 
> it requires access to a mysql database, and due to a previous unrelated 
> problem with my local mariadb instance, zoneminder's database is in read 
> only mode, so zoneminder can't start properly -- that is the cause of 
> the error code]
> 
> Am I reading that correctly that I ran apt autoremove and it didn't find 
> anything to do? Or is it just not telling me what it did?
> 
> I also looked in /var/log/dpkg.1 (July's stuff is already partially 
> archived) and:
> 
> grep 2017-07-29 /var/log/dpkg.1 | awk '{print $3}' | sort -u 
> 
> lists the following keywords:
> 
> configure
> startup
> status
> trigproc
> upgrade
> 
> 
> No sign of "remove", but I don't know if there would be or not...
> 
> So IF I am interpreting the above correctly, I ran apt autoremove but it 
> didn't do anything, I did upgrade a shedload of packages and the next 
> thing to do is to sift through that shedload looking for changes 
> (somehow) that might have caused the problem. I'm not really sure how I 
> am going to tell what changes a package upgrade made, unless the 
> changelog happens to mention something useful, but hopefully something 
> will turn up... I'll start with packages that look pulseaudio or 
> bluetooth-related, and go from there...

apt-get autoremove   and   apt-get --purge autoremove
produce lists of packages prefixed with Remove: or Purge:
as appropriate, so it looks as if "Nothing happens" in your
case. (I trust that apt would log the same info as apt-get.)

Cheers,
David.

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Sudden death of bluetooth headphone connectivity Mark Fletcher <mark27q1@gmail.com> - 2017-08-03 14:40 +0200
  Re: Sudden death of bluetooth headphone connectivity stuart watt <dekkzz78@gmail.com> - 2017-08-03 15:10 +0200
    Re: Sudden death of bluetooth headphone connectivity Mark Fletcher <mark27q1@gmail.com> - 2017-08-03 16:20 +0200
      Re: Re: Sudden death of bluetooth headphone connectivity dekkzz78@gmail.com - 2017-08-03 21:30 +0200
        Re: Re: Sudden death of bluetooth headphone connectivity Mark Fletcher <mark27q1@gmail.com> - 2017-08-04 01:20 +0200
          Re: Re: Re: Sudden death of bluetooth headphone connectivity dekkzz78@gmail.com - 2017-08-04 08:50 +0200
  Re: Sudden death of bluetooth headphone connectivity deloptes <deloptes@gmail.com> - 2017-08-03 22:50 +0200
    Re: Sudden death of bluetooth headphone connectivity Mark Fletcher <mark27q1@gmail.com> - 2017-08-04 01:20 +0200
      Re: Sudden death of bluetooth headphone connectivity deloptes <deloptes@gmail.com> - 2017-08-04 01:30 +0200
        Re: Sudden death of bluetooth headphone connectivity Mark Fletcher <mark27q1@gmail.com> - 2017-08-05 04:10 +0200
      Re: Sudden death of bluetooth headphone connectivity Henrique de Moraes Holschuh <hmh@debian.org> - 2017-08-04 01:40 +0200
        Re: Sudden death of bluetooth headphone connectivity Mark Fletcher <mark27q1@gmail.com> - 2017-08-05 05:00 +0200
          Re: Sudden death of bluetooth headphone connectivity David Wright <deblis@lionunicorn.co.uk> - 2017-08-05 06:10 +0200
          Re: Sudden death of bluetooth headphone connectivity deloptes <deloptes@gmail.com> - 2017-08-05 17:30 +0200
            Re: Sudden death of bluetooth headphone connectivity Mark Fletcher <mark27q1@gmail.com> - 2017-08-09 14:30 +0200
              Re: Sudden death of bluetooth headphone connectivity deloptes <deloptes@gmail.com> - 2017-08-09 20:20 +0200
                Re: Sudden death of bluetooth headphone connectivity Mark Fletcher <mark27q1@gmail.com> - 2017-08-10 02:00 +0200

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