[ubuntu-studio-users] ubuntu-studio-users Digest, Vol 100, Issue 4

[bart deruyter]

thanks for the tip.

I'll try using the pid to kill jackdbus, though I thought it was killed by
right clicking in systemmonitor and clicking on destroy process.
That did not help to get jackd running again by the way.

I find it weird that it used to work in previous versions of ubuntu and not
now.

I run an external device as soundcard (audiofire12) and don't keep it on
every day (I do mind to keep power consumption low, so I don't activate
things when I don't need them) . Starting up with jackd running is not an
option I'm afraid since my soundcard won't be on, and jack would definately
crash.

Ubuntustudio should be capable of running both internal soundcard and my
audiofire. Using two soundcards is even described as a solution to have
both jack and pulseaudio running, so it should work.

grtz,

Bart



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2015-08-13 15:55 GMT+02:00 Edward A Schober <ted at schober.us>:

> Perhaps you should run claudia on boot?
>
> Once you decide to use jack, it should be part of the environment -
> always there.
>
> If you use $HOME/.jackdrc jack will start with your user session.
> if you make a file /etc/jackdrc it will be the default jack session
> parameters for the computer.
> A clean Ubuntu-Studio install does not have these files.  I think
> .jackdrc gets generated when you run qjackctl for the first time.  I
> think claudia reads and writes ~/.jackdrc.
>
> There is a discussion about jackd vs jackdbus at
>
>
> http://jack-audio.10948.n7.nabble.com/more-jack-qjackctl-madness-td8914i20.html
>
> Which I have not yet figured out.
>
> Ted
>
> On 8/13/2015 8:00 AM, ubuntu-studio-users-request at lists.ubuntu.com wrote:
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> > Today's Topics:
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> >    1.  weird behaviour firewire (bart deruyter)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Thu, 13 Aug 2015 09:00:19 +0200
> > From: bart deruyter <bart.deruyter at gmail.com>
> > To: Ubuntu Studio Users Help and Discussion
> >       <ubuntu-studio-users at lists.ubuntu.com>
> > Subject: [ubuntu-studio-users] weird behaviour firewire
> > Message-ID:
> >       <
> CAJV2CrpEb9pJ1+rWiRdG_nQWssnLFM+L+qy2HFnpzXps5zrNog at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hi all,
> >
> > I'm running ubuntu 15.04 now, gnome variant, with ubuntustudio and
> kxstudio
> > installed through software sources.
> >
> > My soundcard is an Echo Audiofire 12, connected with firewire.
> >
> > Since 15.04 when I start jack it works fine as long as I don't run any
> > other application which requires sound, before starting jack.
> >
> > it is consistently going wrong when I for example start chrome, exit
> chrome
> > and try to start jack, using claudia, or qjackctl, or commandline.
> > the message qjackctl throws is: JackServer::Open failed with -1
> >
> > When I log out of the system, then log in again (no reboot required) it
> > works again, as long as I start jack first.
> >
> > Also, when I use chrome while running jack things seem to keep working,
> > though I have ben thrown out of jack too.
> >
> > - I checked if I was in audio-group, which I am, otherwise it wouldn't
> work
> > at all.
> > - I turned autospawn off for pulseaudio and killed pulseaudio befor
> > starting jack
> > - tried out various settings in qjackctl.
> >
> > None seem to have helped.
> >
> > How can I trace the source of the problem? If it is a known issue, anyone
> > idea's on how to fix this?
> >
> > grtz,
> >
> > Bart
> >
> > http://www.bartart3d.be/
> > On Twitter <https://twitter.com/#%21/Bart_Issimo>
> > On Identi.ca <http://identi.ca/bartart3d>
> > On Google+ <https://plus.google.com/u/0/b/116379400376517483499/>
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