extra background stuff and work flow idea

Sun Nov 13 20:14:38 UTC 2011

just to be clear... there will be *no* official kernel-rt.. we will
(hopefully, after testing and approval, and much deliberation) have the
*-lowlatency one in the repos, and as the default kernel for US.

On Sun, Nov 13, 2011 at 11:08 AM, Ralf Mardorf
<ralf.mardorf at alice-dsl.net>wrote:

> On Sat, 2011-11-12 at 08:55 -0500, Mike Holstein wrote:
> >
> >
> > On Sat, Nov 12, 2011 at 6:56 AM, Ralf Mardorf
> > <ralf.mardorf at alice-dsl.net> wrote:
> >         -----Ursprüngliche Nachricht-----
> >         Von: ubuntu-studio-devel-bounces at lists.ubuntu.com im Auftrag
> >         von Len Ovens
> >         Gesendet: Fr 11/11/2011 19:06
> >         An: Ubuntu Studio Development & Technical Discussion
> >         Betreff: extra background stuff and work flow idea
> >
> >
> >
> >
> >         On Thu, November 10, 2011 1:00 pm, Luke Kuhn wrote:
> >         >
> >         > While we are on the subject of background processes that are
> >         resource
> >         > hogs, Pulseaudio is in my experience among the worst
> >         offenders.
> >
> >         This got me thinking... It would be nice to have at least a
> >         list of
> >         suggestions of things that can be safely shut off that
> >         normally run all
> >         the time. For example, my desktop is set up with a static IP
> >         (so I can log
> >         in from elsewhere in the house) so why do I have the little
> >         network
> >         manager running? In fact, even with dhcp, my desktop does not
> >         have to be
> >         looking for changes in network. My netbook is different having
> >         wireless.
> >
> >         Many of us can not upgrade our hardware every 6 months or even
> >         every two
> >         years. The ability cut out anything I don't need means (even
> >         with a fast
> >         computer) maybe one more track when I need it, or one more
> >         effect.
> >
> >         An idea for a work flow. It would be nice to be able to set up
> >         my netbook
> >         as a remote control for the desktop. That is like a midi
> >         controller across
> >         netjack so I could control levels with something small that
> >         sits on a
> >         music stand without changing the surrounding audio space too
> >         much for
> >         those of us who both control and perform. The virtual desktop
> >         kind of
> >         control I think would be too resource hungry and maybe harder
> >         to control
> >         too. I don't know if there is already an application that does
> >         just midi
> >         controls or not. If there is, it could be added to the sound
> >         generation
> >         work flow which is already mostly MIDI stuff and includes
> >         jackd.
> >
> >
> >         Len
> >
> >
> >         ----------------------
> >
> >         Should Ubuntu Studio become a multimedia distro with absolute
> >         focus to audio recording and MIDI productions?
> >
> >         I switched from Ubuntu to Debian and today, after restoring my
> >         upgraded Debian to the version I had before I installed the
> >         upgrades, I'll have a look at Arch Linux.
> >
> >         Regarding to the DE, Ubuntu Studio might have done a good
> >         choice.
> >
> >         Some points from my list are:
> >
> >         - pulseaudio shouldn't be installed
> >         - at least the real kernel-rt should be included, not only
> >         preempt + threadirqs aka Rt emulation.
> >
> >         I anyway prefer the kernel-rt + a GNU offending NVIDIA patch.
> >         I also will keep GNOME 2 for my installs. The policy of most
> >         Linux distros became a PITA.
> >
> >         My stable DAW until now is Edubuntu 10.10 + Ubuntu Studio
> >         repositories + self build stuff and I didn't upgrade since a
> >         long time ago.
> >
> >         Ralf
> >
> >
> > i have participated in discussion about taking pulse audio out.
> > personally, it doesnt get in my way, and i also think there are some
> > users who dont do audio production exclusively who would probably
> > prefer an experience closer to the main ubuntu (meaning pulse
> > included). however the majority or users are likely audio/MIDI folks,
> > and i could see, and support not having pulse included by default, and
> > i personally also know how to install pulse if i need/want it. of
> > course that argument could be applied the other way, and any user can
> > remove pulse.
>
> Removing pulse isn't that easy. Still my stable DAW is Ubuntu Studio,
> but currently I test Debian testing and the easiest way for Debian seems
> to build two dummy packages, libcanberra-pulse_2011-dummy_all.deb and
> pulseaudio_2011-dummy_all.deb, since gnome-core forces to install those
> packages, after the upgarde from GNOME 2 to GNOME 3. With this dummies
> audio for non-jackd apps (at least for flashplayer and media player
> apps) still is ok.
>
> IIRC you switched to XFCE?! A good choice. My Ubuntu Studio is still
> running with GNOME 2 and for Debian I've got a backup with GNOME 2, but
> I'm testing GNOME 3 in fallback mode. I suspect it as too buggy gfor a
> DAW, anyway fallback mode could become ok.
>
> I experienced issues for my Envy24 cards when using pulseaudio, while
> for my new RME card things seems to be easier, but I didn't do serious
> tests.
>
> > kernel-rt is over. here is what the debian multimedia team states
> > about it from here @
> > http://wiki.debian.org/DebianMultimedia#Realtime_kernel
>
> This isn't a complete information. From time to time I get in contact
> with Robin, while the audio community test a preempt kernel with
> threadirqs enabled even kernel-rts ex 3 with and without NVIDIA patches
> are tested.
>
> > "The Debian Multimedia team is not working on including a kernel image
> > with the realtime-patches applied in Debian. Much of the
> > realtime-patches have been accepted in the mainline kernel, to the
> > point that for most purposes the stock Debian kernel is suitable even
> > for realtime-like work."
>
> OpenDaw 4.0 the successor of 64 Studio is maintained by Robin who AFAIK
> also is member of the Debian Multimedia team.
>
> I suspect that they still try to include a real kernel-rt.
>
> > i know its going to be challenging to let go of the mentality that we
> > need a realtime kernel. we hope to have the -lowlatency kernel
> > included by default this cycle, and we are planning on doing some
> > testing/benchmarking with different equipment and the -generic vs
> > -lowlatency kernels over the next few weeks.
> >
> >
> > there will *not* be a kernel-rt included this cycle. if someone would
> > like to instigate the inclusion of a kernel-rt, you are welcome to
> > come on the IRC and go through the same avenues that we (mostly Scott
> > Lavender) have been going through to get the -lowlatency kernel
> > (potentially) included in the main repository for the past 3 cycles.
> > if the kernel is not in the main repos, we cant ship it. PPA's easily
> > add that functionality for the end user after the installation.
>
> Currently I'm running 2.6.39.1 FULL preempt with threadirqs, but didn't
> tested it for audio, I also compiled 3.0.7-rt20 with an NVIDIA patch,
> but had no time to get it running with the proprietary driver.
>
> I agree that PA not always is a PITA, but it can become a PITA. Perhaps
> a FULL preempt kernel with threadirqs could replace a kernel-rt, dunno.
>
> I'll install next Ubuntu Studio release and ASAP I'll test different
> kernels, but I won't install PA.
>
> Hard times ;).
>
> Cheers!
>
> Ralf
>
>
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-- 
MH

mikeholstein.info <http://www.mikeholstein.info/>
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