Re: [ubuntu-studio-users] Ubuntu Studio 20.04 LTS Released!

[Gerhard Lang]

Sorry if I hurt you. But why do you use silly memes?

Am 28.04.20 um 00:20 schrieb eeickme...@ubuntu.com:

Hi Gerhard,


Hi Erich,

I understand your frustration about firewire management in linux kernels.
But wasn't it good practice in Linux, to keep alive even vintage hardware?

That wasn't my call. We just could not implement the FFADO items in Ubuntu 
Studio Controls.
  

We have to be forward-thinking and not stuck in the past on many

decisions, otherwise we become irrelevant.

Ok, you might have to earn your livelihood, but I think, this is a horrible
statement, please don't reproduce silly coach speek.

Woah woah woah. You think I get PAID to do this?!? I wish. I'm a volunteer just 
like most people doing anything with Ubuntu.






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Re: [ubuntu-studio-users] Ubuntu Studio 20.04 LTS Released!

[Gerhard Lang]

Hi Erich,

I understand your frustration about firewire management in linux 
kernels. But wasn't it good practice in Linux, to keep alive even 
vintage hardware?



We have to be forward-thinking and not stuck in the past on many decisions, 
otherwise we become irrelevant.


Ok, you might have to earn your livelihood, but I think, this is a 
horrible statement, please don't reproduce silly coach speek.


Ubuntu 2012 was great with my firewire interface, near zero latency.

why not force Alsa and FFado developers into colaboration?

I'll begin to compile kernels again.

By the way, best thanks for your engagement in Ubuntu-Studio

Gerhard


Am 27.04.20 um 17:09 schrieb eeickme...@ubuntu.com:


Hi Glenn,


On 4/23/20 12:45 PM, Erich Eickmeyer wrote:

Due to kernel compatibility reasons, Firewire devices are no longer
supported.

Can you go into a little more detail on that? Is this a permanent change? Is
Firewire no longer supported by the kernel?


It's actually pretty simple. The kernel has a Firewire module in ALSA that 
conflicts with FFADO. We attempted to make Ubuntu Studio Controls compatible, 
but it proved to be impossible. In order for FFADO to work, one must blacklist 
the ALSA Firewire module in the kernel. This is something one must know how to 
do and be comfortable with doing, we can't do it for you.

Basically, firewire devices are a crapshoot. If you plug it in and it just 
works, then awesome, glad it does. If it doesn't, sorry, but we can't help you 
get it working.

Additionally, Firewire devices are ancient and no longer being manufactured. We 
are not in the business of reviving old hardware; that's not the purpose of 
Ubuntu Studio. So, going forward, we simply aren't making an effort to support 
Firewire devices because that would mean fighting with the kernel, which is not 
something our small team is willing to do.

USB devices and PCI devices are the future going forward, because that's what 
hardware manufacturers are actually producing. We have to be forward-thinking 
and not stuck in the past on many decisions, otherwise we become irrelevant.


Erich Eickmeyer
Project Leader
Ubuntu Studio

ubuntustudio.org




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Re: [ubuntu-studio-users] Which Recording Software?

[Gerhard Lang]

Does jack run ? if y, try :~$ jack_capture -f flac (mp3, wav, ogg...)

Linux never works as expected.

Am 28.10.19 um 19:21 schrieb Dick Steffens:
My installation is on Xubuntu 18.04, with ubuntustudio packages 
installed using Synaptic.


I'm setting up my laptop to record the audio of a presentation. I have 
had intermittent issues with Audacity. Sometimes when I click on 
Record, it starts and stops within a second. Other times it works as 
expected.


I'm also trying Ardour. Unfortunately, I can't see all of the Ardour 
window. How can I view the entire window?


Trying to duplicate the problem so I can better describe it I tried to 
start up Ardour. When I try to open a session, the Audio/MIDI Setup 
window opens. But when I click on Start, I get an error: Failed to 
open audio device. Another dialog box says, "Loading Error. Could not 
create session in (path to session). Cannot connect to audio/midi engine."


Are there other recording programs I should consider? As long as the 
program will save something Audacity can edit, I can live with that.


Thanks for any advice.
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Re: systems theory

[Gerhard Lang]

Am 21.01.2012 16:04, schrieb G L Romeu:

nice, kind of an updated mahavishnu...


One time only pitch since I've brought us up anyway... if you are
interested in hearing some of what will be appearing on the new album
"overfulnoisecascade", go here:


Thanks for really good music, I bookmarked your link. Can you tell us a 
little about your tools and instruments please?

best regards Gerhard

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Re: rt kernel

[Gerhard Lang]

On my maverick partition I did not see essential benefits against lucid, 
so I did an early distupgrade to natty. The actual kernel 
2.6.38-7-generic gives me good audioperformance for live softsynths, 
live effects, wineasio/reaper, ardour multitrack recording on firewire, 
pci alsa and usb-midi, in no way inferior to realtime 2.6.31 and .33 
kernels, good buffersize/xrun ratio. For tedious audio work on standard 
hardware I see no more need for -rt kernels. I guess there might be a 
little profit for audio performance by compiling actual kernel cgroups 
disabled, no tics disabled, preemptible kernel enabled and  timer 
frequency set to 1000hz. In future optional manipulating devices' IRQ 
assignment and priorities like this was done by rtirq should be a 
feature for standard kernels.

best regards
Gerhard

Am 03.04.2011 04:21, schrieb Scott Bohon:

I am a newbie to Ubuntu and Linux. I upgraded from Ubuntu 10.10 to
Studio, but I got a message during the upgrade that essentially said
linux-rt could not be found. Is linux-rt loaded with the audio package?
Do I need -rt? How do I check if -rt is loaded? If I still need it, how
do I get it?

Thank you for your help!

Scott Bohon
cellist and new techno-musician!






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Re: Kernel-rt issues solved, but configuring X still is a PITA

[Gerhard Lang]

Hi Ralf,
nvidia prop drivers for your card never will  build with new 
rt-kernels.  I see you compile customized kernels. I'd recommend trying 
2.3.36.xxx and even 2.6.37-rcxx with preempt settings. They run here on 
a geriatric amd64x2 machine under lucid (10.04) ubuntustudio/kx mashing  
with proprietary nvidia drivers, full rt support. Only missing against 
rt-kernels is the possibility to adjust rtirq settings which as I see 
*possibly* *might*  give *a* *little* benefit *only* for ffado/firewire 
devices. Nevertheless I hope someone will implemet this rtirq tweaking 
stuff into mainline kernels.
Regards Gerhard

Am 27.12.2010 22:37, schrieb Ralf:
> Hi :)
>
> I build a kernel-rt for an upgraded Ubuntu Studio 10.04 Lucid, testing 
> a knack still to get an initrd, when building it by make-kpkg. This 
> mail is on HTML to enable copy and paste.
>
> SOLVED
>
> I now can build an initrd for self build kernels.
> I now can start a kernel-rt from the repositories.
>
> NEW AND UNSOLVED ISSUE
>
> The monitor resolution for the GDM login menu is 'broken'.
>
> ### Preparing to build the kernel
>
> $ cd /usr/src
> $ ls linux -l
> lrwxrwxrwx 1 spinymouse src 19 2010-10-03 02:39 linux -> 
> linux-2.6.33.7-rt29
> $ rm linux
> $ ln -s linux-2.6.33.7.2-rt30 linux
> $ wget 
> ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.33.7.tar.bz2 
> http://www.kernel.org/pub/linux/kernel/projects/rt/patch-2.6.33.7.2-rt30.bz2
>
>
> ### Extracting the sources and patching the kernel
>
> $ tar xjf linux-2.6.33.7.tar.bz2
> $ rm linux-2.6.33.7.tar.bz2
> $ mv linux-2.6.33.7 linux-2.6.33.7.2-rt30
> $ cd linux
> $ bunzip2 ../patch-2.6.33.7.2-rt30.bz2
> $ patch -p1 < ../patch-2.6.33.7.2-rt30
> $ rm ../patch-2.6.33.7.2-rt30
>
>
> ### Editing a configuration
>
> $ uname -a
> Linux ubuntu 2.6.32-27-preempt #49-Ubuntu SMP PREEMPT Thu Dec 2 
> 03:21:34 UTC 2010 x86_64 GNU/Linux
> $ cp /boot/config-$(uname -r) .config
> $ make oldconfig
> Pushing enter only.
>
>
> ### Disabling staging, without testing if it's needed to to disable it 
> for building the current kernel
>
> $ gedit .config
> Editing
> CONFIG_STAGING=y
> to
> # CONFIG_STAGING is not set
> $ make oldconfig
> Nothing to do.
>
>
> ### Building the kernel
>
> $ make-kpkg clean
> $ export CONCURRENCY_LEVEL=2
> $ make-kpkg --rootcmd fakeroot --initrd kernel-image kernel-headers 
> kernel-source
>
>
> ### Unfortunately there wasn't enough free disk space when I first 
> build the kernel.
>
> OT: Btw. is there a list of apps that can be removed from Ubuntu 
> Studio, without getting issues? I e.g. don't need AppAmor, Firewalls 
> etc. and especially I would like to get rid of PulseAudio. [End OT]
>
>
> ### After removing some old kernel stuff and the already new build 
> image and headers, I build the kernel again, but I guess it would have 
> been ok, if I just would have installed the image and headers, because 
> only the unneeded source was missing. I also think,  that not running 
> 'make-kpkg clean' again, would have made the repeated compiling 
> faster, but I dunno.
>
> $ rm -r ../*rt29*
> $ rm ../linux-h* ../linux-i*
> $ make-kpkg clean
> $ echo $CONCURRENCY_LEVEL
> 2
> $ make-kpkg --rootcmd fakeroot --initrd kernel-image kernel-headers 
> kernel-source
> $ sudo dpkg -i 
> ../linux-image-2.6.33.7.2-rt30_2.6.33.7.2-rt30-10.00.Custom_amd64.deb
> $ ls -hAl /boot
> total 21M
> -rw-r--r-- 1 root root 632K 2010-12-02 07:02 abi-2.6.32-27-preempt
> -rw-r--r-- 1 root root 109K 2010-12-02 07:02 config-2.6.32-27-preempt
> -rw-r--r-- 1 root root 108K 2010-12-27 18:47 config-2.6.33.7.2-rt30
> drwxr-xr-x 3 root root  12K 2010-12-27 20:07 grub
> -rw-r--r-- 1 root root 8.0M 2010-12-27 09:28 initrd.img-2.6.32-27-preempt
> -rw-r--r-- 1 root root 157K 2010-03-23 10:40 memtest86+.bin
> -rw-r--r-- 1 root root 2.1M 2010-12-02 07:02 System.map-2.6.32-27-preempt
> -rw-r--r-- 1 root root 2.1M 2010-12-27 19:52 System.map-2.6.33.7.2-rt30
> -rw-r--r-- 1 root root 1.4K 2010-12-02 07:08 vmcoreinfo-2.6.32-27-preempt
> -rw-r--r-- 1 root root 4.0M 2010-12-02 07:02 vmlinuz-2.6.32-27-preempt
> -rw-r--r-- 1 root root 4.0M 2010-12-27 19:52 vmlinuz-2.6.33.7.2-rt30
>
>
> ### The knack
>
> $ sudo update-initramfs -c -k 2.6.33.7.2-rt30
>
> FWIW it took 77 minutes + less but 48 seconds on my machine to compile 
> the kernel and 5.45 GiB to build and install  the kernel + initrd.
>
> $ ls -hAl /boot
> total 30M
> -rw-r--r-- 1 root root 632K 2010-12-02 07:02 abi-2.6.32-27-preempt
> -rw-r--r-- 1 root root 109K 2010-12-02 07:02 config-2.6.32-27-preempt
> -rw-r--r-- 1 root root 108K 2010-12-27 18:47 config-2.6.33.7.2-rt30
> drwxr-xr-x 3 root root  12K 2010-12-27 20:07 grub
> -rw-r--r-- 1 root root 8.0M 2010-12-27 09:28 initrd.img-2.6.32-27-preempt
> -rw-r--r-- 1 root root 8.2M 2010-12-27 20:12 initrd.img-2.6.33.7.2-rt30
> -rw-r--r-- 1 root root 157K 2010-03-23 10:40 memtest86+.bin
> -rw-r--r-- 1 root root 2.1M 2010-12-02 07:02 System.map-2.6.32-27-preempt
> -rw-r--r-- 1 root root 2.1M 2010-12-27 19:52 System.map-2.6.33.7

Re: maverick realtime kernel

[Gerhard Lang]

Am 11.11.2010 06:03, schrieb Brian Bergstrom:
> On Wednesday, November 10, 2010 06:59:52 pm Mike Holstein wrote:
>
>> found this great link
>> http://jackschnippes.freeunix.net/index.php/2010/11/04/lowlatency-kernel-an
>> d-realtime-kernel-for-ubuntu-10-10-maverick
>>
>> ...all kinds of goodies at this site, including this 'how-to' for using the
>> natty realtime or lowlatency kernels with maverick 10.10
>>  
> Any chance these kernels would run on Lucid KX Studio too?
>
> -Brian
>
>
>

Abogani's kernel ppa already is linked in kxstudio and 2.6.33-29-realtime works 
fine for me in lucid as well as in maverick :). Only problem: no working 
proprietary driver Nvidia 173.14.x -->  no 3d/split/dual screen. No problem on 
my notebook with intel graphics.

http://kxstudio.sourceforge.net/index.php?option=com_content&view=category&layout=blog&id=21&Itemid=14
(bottom left, click Real-Time/Low-Latency Kernels)

best regards Gerhard




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Re: trying to run my firepod

[Gerhard Lang]

Am 30.10.2010 19:38, schrieb mentoj dija:
>
>
> before i did all that i tried the "firewire"-driver instead of 
> "firebob". and it worked. but with to much x-runs. so ich changed 
> settings and stuff, and now, its also not working with this 
> firewire-driver ;-)
>
>
> so is there a very simple thing i have to do?
>

hi, firewire-driver is the right one, not freebob.
To avoid xruns we have to do some other tweaking like adjusting sampling 
rate, frames, buffers and periods  in qjackctl  for latency around 8 - 
16 ms, stop  cpu frequency governor ondemand and select performance or 
userspace 
specific help is here: https://help.ubuntu.com/community/FireWire
good luck G

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Re: "Pro-sumers" :-) was: Amateurs ???

[Gerhard Lang]

Am 27.09.2010 08:29, schrieb Asmo Koskinen:
> 27.09.2010 04:25, Tim Cook kirjoitti:
>
>
>> Well, I did some experimenting today and maybe I do not have the
>> settings all perfected.  Which is likely since I do not really know what
>> each one does.
>>  
> You can follow these pages.
>
> https://help.ubuntu.com/community/UbuntuStudio
>
> Btw, I can't use Alessio's kernels, when using AMD64 arch - i386 arch is
> just fine. Dkms/Nvidia does not work correctly for Alessios's
> kernels.
>
> [14.879] (II) LoadModule: "nvidia"
> [14.879] (II) Loading /usr/lib/xorg/extra-modules/nvidia_drv.so
> [14.880] (II) Module nvidia: vendor="NVIDIA Corporation"
> [14.880] compiled for 4.0.2, module version = 1.0.0
> [14.880] Module class: X.Org Video Driver
> [14.882] (EE) NVIDIA: Failed to load the NVIDIA kernel module.
> Please check your
> [14.882] (EE) NVIDIA: system's kernel log for additional error
> messages.
> [14.882] (II) UnloadModule: "nvidia"
> [14.882] (II) Unloading /usr/lib/xorg/extra-modules/nvidia_drv.so
> [14.882] (EE) Failed to load module "nvidia" (module-specific error, 0)
> [14.882] (EE) No drivers available.
>
> I'll wait for final Maverick and then try Alessios's kernels again.
>
> So right now I have Maverick AMD64 Beta for video (Cinelerra and ffmpeg
> from source) and Maverick i386 for audio (Alessio's kernel, jackd and
> Ardour).
>
> Best Regards Asmo Koskinen.
>
>
>
In FalkTX' lucid main ppa is a patched nvidia driver which works fine 
for me on Alessio's realtime kernel in a ubuntustudio 10.04 64bit 
environment.
http://ppa.launchpad.net/falk-t-j/lucid/ubuntu/pool/main/n/
But I had to decide: After installing this driver in rt  proprietary 
nvidia  no longer was working for mainline generic and preempt kernels. 
I don't know and found nothing about running different kernel - 
graphicsdriver combinations persistent in one single Linux System. It's 
not just broken dkms but deeper incompatibilities between kernel 
versions.  I help myself with multiboot solutions.
Best Regards Gerhard Lang

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Re: Real-time kernel and Nvidia

[Gerhard Lang]

Am 23.08.2010 20:43, schrieb Jonathan Goodman:
> On Mon, 2010-08-23 at 01:03 +0200, Gerhard Lang wrote:
>
>> Am 22.08.2010 20:01, schrieb Jonathan Goodman:
>>  
>>> Hi,   On a recent update from Synaptic lurid :), I installed 2 realtime
>>> kernels [Ubuntu 10.04.1 LTS, kernel 2.6.31-11-rt, Ubuntu 10.04.1 LTS,
>>> kernel 2.6.31-10-rt] .
>>> They both gave the following error message on bootup
>>>but then proceeded to boot with no problem:
>>> mount:mounting none on /drive failed:no such device qa34229f8
>>> [I think this is the disk id]
>>>  The only problem is that with these kernels the graphics went to low
>>> resolution but worked fine. So I installed the proprietary NVIDIA
>>> drivers current version. On reboot, when I log in to the desktop,with
>>> tie real time kernel my system freezes and I have to do a hard reboot
>>> into the generic kernel.   How can I remove the NVIDIA driver from the
>>> realtime kernel and how can I get these realtime kernels to work with
>>> NVIDIA drivers?   Caveat: The proprietary NVIDIA driver in the generic
>>> kernel improves system performance with audio and there are no longer
>>> Xruns.   Thank you in advance, Aaron
>>>
>>>
>>>
>>>
>> Add *'ppa:falk-t-j/lucid' *to your repos, install kernel
>> 2.6.33-29-realtime and the patched nvidia drivers you'll find there.
>>  
> _
>
>> I can't figure out how to add this toetc/apt/sources.list. I'd rather add it 
>> to synaptic but how do I do all this?
>>
>> You'll find information about these issues in ubuntu-forums, subforum
>> ubuntu studio
>> Best regards Gerhard
>>
>>
>> *
>> *
>>
>>  
>
>
|just paste and run this in terminal: |

|sudo add-apt-repository ppa:falk-t-j/lucid&&  sudo apt-get update

The PPA’s repository will be automatically added and so will the GPG key.

after this you'll find linux kernel image and headers 2.6.33-29-realtime and 
the patched nvidia drivers in synaptic readyfor install
|


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Re: Real-time kernel and Nvidia

[Gerhard Lang]

Am 22.08.2010 20:01, schrieb Jonathan Goodman:
> Hi,   On a recent update from Synaptic lurid :), I installed 2 realtime
> kernels [Ubuntu 10.04.1 LTS, kernel 2.6.31-11-rt, Ubuntu 10.04.1 LTS,
> kernel 2.6.31-10-rt] .
> They both gave the following error message on bootup
>   but then proceeded to boot with no problem:
> mount:mounting none on /drive failed:no such device qa34229f8
> [I think this is the disk id]
> The only problem is that with these kernels the graphics went to low
> resolution but worked fine. So I installed the proprietary NVIDIA
> drivers current version. On reboot, when I log in to the desktop,with
> tie real time kernel my system freezes and I have to do a hard reboot
> into the generic kernel.   How can I remove the NVIDIA driver from the
> realtime kernel and how can I get these realtime kernels to work with
> NVIDIA drivers?   Caveat: The proprietary NVIDIA driver in the generic
> kernel improves system performance with audio and there are no longer
> Xruns.   Thank you in advance, Aaron
>
>
>
Add *'ppa:falk-t-j/lucid' *to your repos, install kernel 
2.6.33-29-realtime and the patched nvidia drivers you'll find there. 
You'll find information about these issues in ubuntu-forums, subforum 
ubuntu studio
Best regards Gerhard


*
*

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Re: MIDI-support card needed

[Gerhard Lang]

Am 22.08.2010 19:12, schrieb Dennis Neumeier:
> Hi all,
>
> I am facing a rather "problem-before-another-problem"-problem before I can
> start to get into MIDI: I am using a M-Audio Delta 66 up to now that does not
> have MIDI-Ports. Now, I was just one step before ordering the Delta 1010LT,
> but it seems that his card does not have any settop-box like the Delta 66.
> Now, I wonder how I connect a normal guitar/bass cable to the 1010LT and
> that's where I see trouble coming up. So any recommandations for soundcards
> would be nice.
>
> Greets,
> Dennis
>
>
have e a look for an e-mu xmidi2x2, very reasobable price, good 
reliability. It saved me some alsa, jack and ffado updates ago, when my 
edirol fa101's own midi ports were not supported and now I like it as an 
independent additional midi connector
best regards
Gerhard

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Re: Start 2 functions of apps at same point of time

[Gerhard Lang]

Am 22.08.2010 18:49, schrieb Rolf Krüger:
> Am 22.08.2010 18:14, schrieb lrspares45:
>
>> On Sun, 2010-08-22 at 16:28 +0200, Rolf Krüger wrote:
>>
>> 
>>  
>>> What I like most about this setup is, that you can route all your
>>> instruments (yes, every single Drumsound from Hydrogen) through
>>> Busses(! not Tracks!) in Ardour and use the effects and mixer
>>> section of Ardour for the complete mix.
>>>
>>>
>>> HTH
>>> Rolf
>>>
>>>
>> Hi Rolf,
>> could you expand on that please? I think it's what I want to do  - is
>> there a tutorial anywhere?
>>
>>  
> No, AFAIK there´s no tutorial on this. But it´s very easy. First start
> Jack (with GUI), Ardour and then Hydrogen. Now have a look at the
> options dialog of Hydrogen. There´s an option "ceate per instruments
> outputs", make sure this is checked. Then have a look at Jack´s
> connection window, there you should now see all instruments of Hydrogen.
> Disconnect Hydrogens "out L and out R from the system outputs (otherwise
> you will find strange effects later on). Now, say you want something
> easy, like just Kick, Snare and HiHat signals "flowing" through Ardour:
> Add three Busses (not Tracks!!!) in Ardour and name them e.g. "KickBus",
> "SnareBus", "HiHatBus". Now edit the inputs for each bus and assign the
> appropriate Hydrogen outputs. Make sure the busses outputs are routed to
> Ardours master outs. That´s it. Now you can easily add effects like
> Gate, Compressor EQ, etc. to each drum sound separately and you will be
> able to edit everything in Ardour´s mixer panel, pretty cool, eh?
> Depending on the drum sounds it might not be necessary to use stereo
> busses. I always worked with mono busses and received pretty good
> results so far.
>
> Another thing one could do is to do use Tracks instead of busses and
> really record the drum sounds to single tracks in ardour. From that
> moment on you could close down Hydrogen. I first worked like this too,
> but it´s a hassle, if you find later in the mix, that you must have to
> change some of the drums stuff. As long as your machine (and sound
> server) has enough performance headroom, I would not recommend this.
>
> I also do this with midi-files in Muse. For each instrument I open a
> Qsynth instance, load my soundfonts, connect the Qsynth instances from
> Muse, and again, route the synth outs to Ardour busses. In Muse it´s  a
> little tricky to have it sync with Jack, but a little trial&  error
> should end up with a working solution.
>
> In order to have all apps synchronized correctly, make sure that you
> have enabled Jack as the TimeBase and Ardour as the TimeMaster (see my
> last post for details).
>
> If you are diving into the nitty gritty of Ardour I highly recommend the
> so called "Floss Manual" (http://en.flossmanuals.net/ardour/), this is
> the source where I learned all I wanted to know about ardour (This is
> also the #1 resource if you do not know how to assign in-/outputs in
> Ardour).
>
>
> Ah wait! Here´s something which caused me a lot of trouble in the
> beginning: The Jack connection dialog wouldn´t refresh properly after
> adding new instruments, tracks, busses,  Someone posted a patch for
> this a few months ago on this list. There was also a fix, that lets you
> minimize the sub-windows of Jack´s GUI (which is very helpful). I don´t
> know, if the Jack Version that you use, has this problems too.
>
>
>
> HTH
> Have Phun!
> Rolf
>
>
Tx Rolf ,
this is worth to be admitted into a wiki
best regards gerhard

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Re: No audio - was: Real time for Ubuntu Studio 10.04 amd64

[Gerhard Lang]

Am 28.07.2010 18:22, schrieb Ralf Mardorf:
> Hi :)
>
> today I tried Ubuntu Studio again, but I had no time to work on the
> realtime kernel issue, because I got some new issues.
>
> 1.
>
> After updating apps and the non-realtime kernel, my manually edited
> grub.cfg was automatically overwritten by a completely grotesque
> grub.cfg, without an automatically backup of the original. So tomorrow
> I'll have to do a hard job to make all my really existing kernels and
> Linuxes bootable again and those who are already bootable needs to get
> rid of those annoying boot splashes, unfortunately I didn't backup it
> myself.
>
> 2.
>
> I tried to play a MP3 by Movie Player, the PA setting meters show
> output, optional for one or the other of my two Terratec EWX 24/96 sound
> cards, but there was no sound hearable or visible for Envy24 control.
>
> 3.
>
> I installed KMPlayer, set it up to use JACK, run JACK, launched
> KMPLayer, pushed play and play stand still.
>
> Any hints how to solve issue 2 and 3 are welcome.
>
> Cheers!
>
> Ralf
>
>
hi Ralf
I'd recommend grub2. On my stationary machine it finds all hard-drives, 
partitions, oses and every single Linux kernel. You'll just have to edit 
/etc/default/grub for your needs on the Linux from where you updated 
grub i.e. for getting rid of splash and recovery mode, setting defaults 
etc..
I also have an ice1712 card, a hoontech dsp24, and it worked ootb in 
10.04 64bit.
But just in the moment I have problems with sound/alsa in kernels 
2.6.32.23 and 24 generic and preempt.
With rt kernel 2.6.33.26-rt and jack2 (available i.e. in falktx ppas) 
and  alsa updated to 1.0.23 all audio is fine.
Even if both your cards are selectable in PA I think your problem has to 
do with multiple sound-card setup which seems to be not trivial in 
Ubuntu. Can you select them  in Qjackctl too?
good luck
Gerhard

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Re: linuxrt package not standard in studio ?

[Gerhard Lang]

Indeed, on my amd and intel standard systems there is no urgent need to 
use a rt-kernel. These actual generic and preempt kernels i.e. allow 
rt-activation in jack and there is not much difference in cpu-load 
against rt- or ck-kernels. Using these rt-kernels you get extended 
options to customize and optimize  IRQ-settings an priorities; this may 
be interesting for the bleeding edge of performance tuning. But much 
more important is maximizing cpufrequency (fixed, no ondemand) by cpu 
frequency scaling for minimizing latencies and xruns.

Am 11.05.2010 19:41, schrieb Alessio Igor Bogani:
> Hi Laurent,
>
> 2010/5/11 laurent.bellegarde:
> [...]
>
>> I've done the install with the Ubuntu lucid amd64 standard CD, then
>> modified the sources.list, an update, dist-upgrade and to finish a
>> complete install of all ubuntustudio packages. Everything goes fine, but
>> after a reboot no RT kernel available in grub, and i've discovered that
>> the linuxrt package wasn't install with ubuntustudio-audio...
>>  
> I would suggest to you (and to all others readers in this ml) to
> install and use linux-rt only if it is _really_ required.
>
> You could take a look on -preempt kernel (available only on amd64) or
> -lowlatency kernel (for both i386 and amd64) available on my PPA.
> These aren't fully preemptible kernels but should be enough for almost
> all our users.
>
> Ciao,
> Alessio
>
>

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Re: linuxrt package not standard in studio ?

[Gerhard Lang]

ubuntu provided obsolete proprietary nvidiadrivers always don't like 
these rt-kernels in the first weeks of a new version until a friendly 
coder has patched/updated them.
On my primary audio orientated installations I never ran into other issues.
plz excuse my meddling ;)

Am 11.05.2010 21:58, schrieb Brian David:
> On Tue, May 11, 2010 at 12:41 PM, Alessio Igor Bogani 
> mailto:abog...@ubuntu.com>> wrote:
>
> Hi Laurent,
>
> 2010/5/11 laurent.bellegarde  >:
> [...]
>
> I would suggest to you (and to all others readers in this ml) to
> install and use linux-rt only if it is _really_ required.
>
>
> Are there issues with the RT kernel in Lucid?  And if so, what are they?
>
>
> -- 
> -Brian David

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Re: NVIDIA-drivers for the rt-kernel

[Gerhard Lang]

Moin Hartmut,

I was messing around with lucid's amd64 betas and some bleeding-edge 
ppas (not on productive partition ;) ) and suddenly Nvidia proprietary 
drivers stopped working.
So I had to remove these ppas, downgrade all xorg stuff to lucid 
standards, remove jockey and all nvidia stuff besides nv, and installed 
last driver from Nvidia's site manually as described in many howtos. Now 
ubuntu's kernels 2.6.31-10-rt and 2.6.31-12-realtime again cooperate 
with Nvidia 172.14.25 and my old fx5200. I love this legacy card due to 
it's noiseless passive cooling.
But it may depend on your card and driver. Did you give nvnews and their 
linux section a look?

Gruesse

bluesscream

Am 10.05.2010 19:36, schrieb Hartmut Noack:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> Hello,
>
> now, that Ubuntu 10.4 is official, I thought I could use it with the
> rt-kernel but my experience with it was not so exiting, but more like
> kinda upsetting to say the least:
>
> jockey fails to install the correct NVDIA-module for the rt-kernel, it
> does so several times for all variants of the NVIDIA-modules available.
>
> Installing Ubuntu-studio settings activates GDM without asking, if I
> would prefer to keep KDM.
>
> GDM chooses XFCE when starting though I never have asked for that too.
> Next time it likes to choose KDE4 - is there a random number generator
> in use?
>
> But these are mere oddities - the main trouble is NVIDIA.
>
> what can I do ?
>
> best regards
>
> HZN
> -BEGIN PGP SIGNATURE-
> Version: GnuPG v2.0.12 (GNU/Linux)
> Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org/
>
> iEYEARECAAYFAkvoRCEACgkQ1Aecwva1SWMEPQCggEB4YgkzV09ttUYOhY8MMAPQ
> 2hIAoIW89RNfCweF+AaKVZRgID3WwXFD
> =TvJ9
> -END PGP SIGNATURE-
>
>

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kernel 2.6.31-10-rt

[Gerhard Lang]

seems to work fine in lucid alpha. But why does ubuntu mess the 
kernel-counts and make it's own?

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Re: Dssi-Vst and Ubuntu Studio

[Gerhard Lang]

teza schrieb:
> Hi all, I was wondering about the fact that we can find somme free vst
> plugins on the web, why the UbuntuStudio tean does not include dssi-vst
> package in the Os as a standard.
> Regards
> Teza
>   
My first attempts compiling dssi-vsti had not been really successful. 
The vst integration into lmms had only very basal functions and no 
working user interfaces. So I gave up and up to now I run the vst-hosts 
as well as my commercial korg and a lot of free plugins in wine. I 
connect and combine them over wineasio in jack with genuine linux 
applications i.e. ardour, hydrogen, linuxsampler, rackarrack, zynadd 
My favorite "vsti-hosts" are reaper - I abuse it just for this - and a 
windows freeware named vsthost by herman seib 
http://www.hermannseib.com/vsthost.htm Those settings run tolerably even 
for live performance, but maybe I should give dssi-vst a try again. Does 
dssi-vst give you full access to vsti's midi controls, menues, presets 
and guis? Is dssi-vst ready for this? Has Steinberg made it's Asio stuff 
opensource? Or is there a way to run these dlls without using 
proprietary code?

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Re: Nec Firewire + Edirol fa-66 + Jack

[Gerhard Lang]

Robert Klaar schrieb:
>  However, I test it with audacious and nothing happens, it just 
> scrolls through my playlist
install audacious-plugins-extra (synaptic) :)


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Re: waiting for professional grade

[Gerhard Lang]

Brian David schrieb:
> On Fri, Dec 4, 2009 at 12:31 PM, Leo  > wrote:
>
> >> The CLI is by no means outdated, but of all the classes of
> tasks one can
> >> do on any computer, the CLI is probably _least_ suited to audio and
> >> multimedia work.
>
> But with out CLI I would not be able to run wine programs.
> An icon for wine never give good results (maybe it's me)
> but if I do "cd .wine/drive_c/???/???" then "wine program" It runs
> good and if it doesn't I can see the error to fix.
>
> Leo
>
>
> I understand the frustration that a lot of experienced users have with
> those who do not want to learn to use the ins and outs of a system in
> order to best utilize that system.  However, there are a few points
> that I think many in the 'just learn Linux and CLI' crowd often don't
> consider.  First, there is the contradictory thought process that
> wonders why more people don't contribute to projects like this, while
> at the same time frowning on people who complain about a tough user
> experience and telling them to just learn the 'right' way or whatnot. 
> Sorry, but you are never going to get people to join the project if
> you treat them like that.
>
> Second, and more importantly, developers really need to consider the
> type of experience that the average user is going to expect, and in
> the case of this project, the average audio/visual designer.  You can
> rant all you want about how the CLI is better, but the truth is that
> the great majority of people are simply never going to learn to use
> it.  Doesn't matter whether it is right or wrong, it just is.  It is
> perfectly acceptible for designers to respond by saying 'tough, learn
> it the way it is', but if so, those same people should not be
> surprised if their software always remains a niche project used by a
> small group of people, and developed by an even smaller group.
>
> However, this isn't just any project, this is a derivative of Ubuntu,
> a distribution that has the reputation of being THE user-friendly
> LInux distro.  A goal of any project carrying that name should be to
> aim for the most user-friendly experience.
> -- 
> -Brian David
I think I am such an average user, skeptical against close source, low
budgeted and trying to stay inside laws even if not concerned. I came
from windows not so long ago without any linux or coding knowledge. For
my opinion  i. e. tweaking rt latency is much more userfriendly in
ubuntustudio then trying similar in xp. Guess  someone really motivated
for getting a high quality multimedia environment will not avoid some
reading, asking and experimentation. There is much help around and if
one is really curious and interested (s)he will get the necessary skills
in a short time. And if (s)he makes a lot of money so (s)he doesn't have
enough time for reading and testing themselves there will be excellent
commercial support too. Did someone here try to tweak uptodate
commercial MS audio software on a 3 years old standard windows machine
for passable performance? I'm sure (s)he will stop complaining about
ubuntustudio.

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Re: Replacing Creox with Rakarrack in Ubuntu Studio

[Gerhard Lang]

+1

Todd Larsen schrieb:
> I say do it!
>
> On Mon, Nov 30, 2009 at 1:19 PM, Leo  > wrote:
>
> On Mon, Nov 30, 2009 at 6:22 AM, Scott Lavender
> mailto:slaven...@consolidated.net>>
> wrote:
> > The Ubuntu Studio developers are considering replacing Creox with
> > Rakarrack as a default application in Ubuntu Studio.
> >
> > Creox hasn't had any development in years while Rakarrack has seen
> > development up through this year.
> >
> > Please share your thoughts.
> >
> >
>
> Sounds very good!
> (I vote go for it)
>
> Leo
>
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>
>
>
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Re: cpu frequency scaling

[Gerhard Lang]

Setting this theme into a focus of interest was intended. I'm pleased
for publishing something useful :-)
Working with wine/wineasio/vsti, synthesizers, heavy load effects, multi
track ardour etc. we were lost without getting cpufrequency  in real
time to highest values.
I prefered userspace numeric entries, but think setting to "performance"
will do too. I always forget this after booting into -rt kernel,
starting audio work  and then I'm remembered by lots of xruns or jackd
crashes.
I'm still testing the manipulation of 'ondemand' by lowering
up_threshold per editing rc.local.
It seems to work fine.
On my notebook (intel dualcore) I had to modify:
'(sleep 2 && echo 50 >
/sys/devices/system/cpu/cpuX/cpufreq/ondemand/up_threshold) &'
as recommended in the archwiki link.
set X to 0,1,2,... for each cpu core a new line if they are not linked
as in my old amd system.
Hope developers read this, modify defaults, edit howtos ... if I just
were younger and had more time...
I'm afraid many new ubuntustudio testers who got their hardware running
after learning how to set access rights and priorities resignate because
of poor performance which could be optimized by a little tuning like this.

Q schrieb:
> Thank you for posting this question and the background to it.
>
> Ever since I installed 9.10, I've been unable to run certain Ardour 
> sessions (the biggest ones), with it constantly getting kicked off JACK 
> no matter what settings I used. I actually resorted to compiling a newer 
> version of Ardour, the first time I've ever done such a thing!
>
> I installed a freq scaling control app (I didn't even need to tinker 
> with it) and with scaling turned off everything works the way it should, 
> quick and simple.
>
> Thanks again!
>
> Q
>
> Gerhard Lang wrote:
>   
>> I always run into jackd low latency issues when I forget to set  cpu
>> frequency scaling panel-applets to highest options. Is there a way to
>> set this by default on start up without recompiling the rt-kernel?
>>
>> 
>
>
>   

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Re: cpu frequency scaling

[Gerhard Lang]

Tx, but now after reading this article 
http://wiki.archlinux.org/index.php/Cpufrequtils I first went another 
way and manipulated ondemand threshold,
I edited /etc/rc.local as follows:

#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

echo 20 > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold

exit 0

cpu1 is linked to cpu0 on my amd system, if it were not I might have to 
add a second line for cpu1.

By default 'cat 
/sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold' showed 80 
when running 2.6.31-9-rt. In  2.6.31-15-generic  it's 95.
Setting up_threshold  as recommended in these articles to 50 or 35 did 
not do the job, had to lower it to 20.
Now qjackctl shows the same cpu-load and few xruns as when I set cpufreq 
from ondemand to highest value. Next I will do is testing this on my 
Notebook with intel dualcore.

Ricardo Lameiro schrieb:
> You could add cpufreq performance to one of the init steps... I think 
> someone here can explain how to do that, but I think you can
>
> 2009/11/10 Gerhard Lang  <mailto:lang.gerh...@gmail.com>>
>
> I always run into jackd low latency issues when I forget to set  cpu
> frequency scaling panel-applets to highest options. Is there a way to
> set this by default on start up without recompiling the rt-kernel?
>
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>
>
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cpu frequency scaling

[Gerhard Lang]

I always run into jackd low latency issues when I forget to set  cpu
frequency scaling panel-applets to highest options. Is there a way to
set this by default on start up without recompiling the rt-kernel?

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Re: laptops this holiday season

[Gerhard Lang]

Tom Poe schrieb:
> Price of laptops is dropping.  Need recommendations for laptop 
> manufacturers that make best equipment for putting ubuntustudio on them.
> Tom
>
>   
Aunt Google knows Databases for laptops/notebooks wich work well with 
Linux. If they are known for running Linux without issues, the prognosis 
is good for getting ubuntustudio run on them smoothly too.  Hardware 
should be widespread on market at least for 1-2 years, but not much 
older. Not the bleeding edge if you want to get it running oootb, no 
exotics, no unnecessary gimmicks. Intel-Atom CPUs work, but much more 
satisfying for serious media-work are standard dual/quad cores >2GHz, 
FSB >667. Intel, AMD or Nvidia chipset, at least 4G DDR2or3 RAM, 
integrated HD-audio and Firewire. If mainly used for audio production 
integrated Intel graphic chips will do the job. For a little more 
advanced graphics, video work and gaming I'd recommend any widely used 
Nvidia or Ati chip with 1/2G dedicated memory.

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Re: Karmic

[Gerhard Lang]

here ardour is running fine in 31-9-rt

Susan Cragin schrieb:
> Some of the 29-series kernels were unstable. I'm running 31-9-rt and it seems 
> very stable, but I have never run ardour. 
>
> -Original Message-
>   
>> Hi thanks for your help, actually when I tried jaunty 9.04 the kernel rt
>> was not good at all and not stable, crashes while using ardour for
>> exemple and I would like to know if with Karmic all probleme are solve
>> like crash, deconections with no reason. I'm curently running Hardy
>> which is very good, and I wa wondering if a fresh install of Karmic is
>> worth it.
>> Regards from Paris
>> Teza
>>
>> ...
>> Le vendredi 30 octobre 2009 à 12:16 -0700, Eric Hedekar a écrit :
>> 
>>> On Fri, Oct 30, 2009 at 2:10 AM, teza  wrote:
>>> Hi, i would like to if the new rt kernel is stable on Karmic,
>>> and if is
>>> worth to upgrade.
>>> Regards
>>> Teza
>>> 
>>>
>>> I would consider Karmic's RT kernel VERY stable as it is an official
>>> upstream patch release.  I have already played a handful of shows
>>> using this kernel and have not had any kernel-based issues yet (have
>>> been regularly running this RT kernel since mid-alpha stage).  
>>>
>>> What do you hope to gain from upgrading?  What are your fears?
>>>
>>> - Eric Hedekar
>>>   
>
>
>
>
>   

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Re: Karmic, Kernel, and OpenOffice

[Gerhard Lang]

Todd Howe schrieb:
> Any word on whether the RT kernel problem that was causing OpenOffice
> installs to trash Synaptic has been resolved with the new Karmic release?
> I've wiped my HD a couple of times as a consequence of 9.04 UbuntuStudio,
> and I am afeared.
>
> Thanks 
>   
If I have to do other things then audio/video normally I boot into 
generic kernel, so I didn't realize this bug at all. But OO3.1 is 
running smart in ubuntustudio-karmic and kernel 3.6.31-9-rt too, no 
issues as far.

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Re: Ubuntu Studio 9.10 Karmic Koala

[Gerhard Lang]

greg loyse schrieb:
> I have to admit I had given up. Now I am eager to give it a go.
>
> I am very happy to be wrong. :)
>
>   
You're wrong and you'll be happy :D
I'm on karmic since alpha 3 and it's great. Ffado (for me with edirol 
fa-101) is running ootb if we make a clean ubuntustudio install - if we 
install ubuntu-studio into an existing ubuntu, we'll have to run 
ubuntu-studio-controls (from repos) and edit /etc/security/limits.conf 
to make sure it contents a line '@audio - rtprio 99'
even the proprietary nvidia drivers from repos run in -rt kernel and 
don't eat performance.
For all who run into issues there is a helpful how to:
https://help.ubuntu.com/community/UbuntuStudioPreparation





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Re: Need help

[Gerhard Lang]

your -rt kernel seems to collide with the installed non-rt-version and doesn't 
want to overwrite  lib/firmware/ositech/Xilinx7OD.bin 
But I think you will not need this firmware. In my customized kernel-builds I 
allways disable all functions in 'make xconfigure' I'm sure about they don't be 
necessary for my hardware.
I'd try to reinstall the -rt kernel after uninstall the non-rt-version and if 
this doesn't work I'd compile again reconfigured without (may be for you! check 
it with lspci and lsusb) unnecessary drivers/firmwares.
This rt-kernel works very good in my experimental karmic in an intel dominated 
notebook, the first one that gives me the option to disable automatic 
save-energy in the taskbar applet. I was not lucky with this rt-kernel in a 
jaunty environment on an asrock board with amd2x64,  usb sound onboard and 
nvidia fx5200 graphics.
good luck Gerhard


teza schrieb:
> I guys, went throught the compil of new kernel rt,but got error with the
> install, just see below ternimal result, could you give us a hand? 
> Thanck you
> Teza
>
>
>
>
>
> t...@ubuntustudio:~$ sudo -s
> [sudo] password for teza: 
> r...@ubuntustudio:~# cd /usr/src
> r...@ubuntustudio:/usr/src# chmod 755 *
> r...@ubuntustudio:/usr/src# dpkg -i *31-rc4*.deb
> (Lecture de la base de données... 187204 fichiers et répertoires déjà
> installés.)
> Préparation du remplacement de linux-headers-2.6.31-rc4-rt1 1 (en
> utilisant linux-headers-2.6.31-rc4-rt1_1_amd64.deb) ...
> Dépaquetage de la mise à jour de linux-headers-2.6.31-rc4-rt1 ...
> Dépaquetage de linux-image-2.6.31-rc4-rt1 (à partir de
> linux-image-2.6.31-rc4-rt1_1_amd64.deb) ...
> Done.
> dpkg : erreur de traitement de linux-image-2.6.31-rc4-rt1_1_amd64.deb
> (--install) :
>  tentative de remplacement de « /lib/firmware/ositech/Xilinx7OD.bin »,
> qui appartient aussi au paquet linux-image-2.6.31-rc4
> dpkg-deb: sous-processus paste tué par le signal (Relais brisé (pipe))
> Running postrm hook script /sbin/update-grub.
> Searching for GRUB installation directory ... found: /boot/grub
> Searching for default file ... found: /boot/grub/default
> Testing for an existing GRUB menu.lst file ...
> found: /boot/grub/menu.lst
> Searching for splash image ... none found, skipping ...
> Found kernel: /boot/vmlinuz
> Found kernel: /boot/vmlinuz-2.6.31-rc4
> Found kernel: /boot/vmlinuz-2.6.24-24-rt
> Found kernel: /boot/vmlinuz-2.6.24-19-rt
> Found kernel: /boot/memtest86+.bin
> Updating /boot/grub/menu.lst ... done
>
> Paramétrage de linux-headers-2.6.31-rc4-rt1 (1) ...
>
> Des erreurs ont été rencontrées pendant l'exécution :
>  linux-image-2.6.31-rc4-rt1_1_amd64.deb
> r...@ubuntustudio:/usr/src# 
>
>
>
>
>
>   

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Re: Which ubustu-configuration makes you happy at present?

[Gerhard Lang]

Tx to all who made an exciting thread out of my whining, esp. Asmo for
his engagement :)
I'll give 64studio beta3 a try and since i need firewire essentially
i'll try to integrate up-to-date ffado and jack. This weekend i'll free
a partition ...
In the moment for real work I freezed karmic alpha 3 with 2.6.29.6-1-rt
kernel, customized jack 1.9.3 svn, ffado svn. This works stable and
reproducable for my needs: jack-late...@~8ms, hydrogen, rakarrack, wine,
wineasio, reaper with vst-instruments. Vst-host is less performant.
Ardour 2.8...(without vst-support) brings jack earlier to the limits
then wine/reaper!? Til now i had no success compiling ardour beta3. In
Ardour beta3 64bit-version will be no vst support anyway.
Sorry for not giving more input cause I have to do hard work for a
living all the week.
best regards
Gerhard


Gustin Johnson schrieb:
> asmo.koski...@arkki.info wrote:
> >> Asmo Koskinen wrote:
> >> Is it possible to use rt-kernel with 64 studio?
> > They have added own rt-kernel to 64Studio. Use it, not one from Ubuntu's
> > repositories if you like to test difference.
>
> This is correct, use the 64Studio RT kernel.
>
> > One thing that is still missing is ffado, no ffado at all in 64Studio.
>
> 64 Studio 3 is still in beta, and is based on Hardy which also does not
> have FFADO support.  Having said that FFADO will be supported out of the
> box for the final released 3 version.  If you are impatient I believe
> there are some experimental packages for it.  Don't quote me on that,
> since I don't use or care for FFADO.
>


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Which ubustu-configuration makes you happy at present?

[Gerhard Lang]

-ubuntu version, 32 or 64bit, rt-kernel, ffado/jack versions,
wine/wineasio versions...?
In the last weeks I was impatiently testing front-ends - karmic 64bit,
2.6.29.6-1-rt, self-compiled 2.6.29rt's, ffado from svn, jack 1.9.3
from svn, wine asio 64bit from svn.  Sometimes got nice performance, but
allways very unstable, lots of crashes, freezings, only randomly
success. Wasn't able to figure out reproducable circumstances, in google
I found a disorder of contributions from 2002 to 2008, so I lost track
and disconsolately didn't report bugs.
My hardware: Nexoc/Clevo-Notebook intel-core-duo-t5...@2ghz 4GRAM with
all standard Intel-board/chips exc. onboard VIA vt6306 Fire2 IEEE 1394 
controller. EmuX2x2midi-usb. Edirol-FA101.
Now I have to do straight audio production and some live-performance.  I
want to demonstrate efficient linux-audio without tinkering around
onstage. Besides a reliable basic ffado/jack installation I need a full
performant wine/vst-host-gui, in which I can edit all parameters on the
fly. Must not be reaper, which becomes fat and eats too much resources.
For the rest I am contented with genuine linux ardour, hydrogen,
rakarrack etc...
I'll have to downgrade i.e. reinstall former version. I'm no coder but
group, priority, raw1394, rights , dev, udev, security management issues
are under control.
Any experience-based recommendation will be appreciated
Gerhard

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Re: zynaddsubfx, jaunty 9.04, bug with instrument ?

[Gerhard Lang]

Hi Laurent,

on my System 2.6.29.5-rt21 x86_64  Zyn... from the repos as well as a
recompiled Version 2.2.1 to get a quertz virtualkeyboard run stable and
allow live changing instruments and channels without xruns, crashes or
disconnection  when jack's frames and periods are set for latencies
>=4ms. But I have no 32bit system running.
Best regards
Gerhard
 

laurent.bellegarde schrieb:
> laurent.bellegarde a écrit :
>   
>> Hi all,
>>
>> for my book, i'm testing zynadsubfx under jaunty 9.04 RT i386,
>>
>> kernel  : Linux laurent-laptop 2.6.28-3-rt #12-Ubuntu SMP PREEMPT RT Fri 
>> Apr 17 10:09:11 UTC 2009 i686 GNU/Linux
>>
>> jack is ok, latency 2,64, everything is working.
>>
>> I launch zynadd, it works, the keyboard is playing music, changing 
>> effects is ok.
>>
>> But as soon as i use the menu instrument/instrument bank, choosing 
>> another instrument disconnect zynadd from jack, and the only way to 
>> re-connect it is to close it and restart again.
>>
>> is it normal, or a known large bug ?
>>
>> I'm gonna reboot under hardy RT to test it...
>>
>> Laurent
>>   
>> 
>
> I've done the same test under hardy 8.04 RT 64bits, with same material, 
> zynaddsubfx is working fine without disconnecting from jack when I 
> change the instrument.
>
> Do I need to declare a bug in launchpad for jaunty ?
>
> Laurent
> lprod.org
>
>
>   

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Re: Ubuntu Studio 9.04 locks Up During Updates and Network File Operations

[Gerhard Lang]

On my stationary multiboot AMD64x2 pc in Jaunty I had heavy issues  both
with kernels -rt  and generic: after some minutes 100% cpu load and  use
of complete  ram (4g), extremly slow file and network operations,
lockups... barely possible to read my mail. As hungry ressources-eater I
figured out tracker assoziated prozesses and followed a recommendated -
forgot the link - workaround
run 'tracker-processes -r' in terminal,
then delete the folder '/home/MY_USERNAME/.config/tracker/'
and finally reinstall 'tracker' with synaptic.
Now everything is running fine with full performance.
Give it a try - only risk is that tracker will have to rebuild it's
databases.

good luck
Gerhard

deepee schrieb:
> Hi
>
> I have been trialling both the 64bit and 32bit versions.
> I have been getting random lockups that seemed to be related to network 
> tasks, e.g. copying a sound font file from the server to my desktop.
> Have tried apt-get and get the same problem.
> This is running as a dual boot installation on an Athlon dual core 
> machine. The WinXP installation has no problem with the network.
> Ubuntu 9.04 32bit on my laptop is running fine on the same connection.
>
> Any ideas would be appreciated.
>
> Thanks
> deepee
>
>   

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gigedit not working as plugin in Linuxsampler/qsampler, only as standalone

[Gerhard Lang]

Is  anybody around here who has successfully installed q-, j-,
linuxsampler with gigedit as working plugin in a US-64bit-environment?
Qsampler and gigedit as standalone run smooth apart from some
reproducable and preventable crashes, but not gigedit as plugin.
My efforts to compile linuxsampler & friends from cvs failed. So for
this partial solution I was reliant on synaptic and  googled
(lib-)linuxsampler amd64 debs.
Any hints would be appreciated.
Gerhard

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Re: recognize chords etc. in audio files

[Gerhard Lang]

Tx David, for the hint.
Indeed, this seems to be what I'm looking for.
Alas, in ubuntu 8.10 x96_64 clam, annotator, etc. neither are in the 
genuine repos nor installable from the developer's link as 3rd party repo.
So I tried to compile them from sources.
I'm not experienced with this, especially not with scons.
There was an error  whith the not available dependency libxerces27-dev, 
which must be replaced by an actual one.
Compiled with a lot of warnings, nevertheless installed successfully and 
even managed to build debs.
When I'm trying to run Annotator: "error while loading shared libraries: 
libclam_core.so.13: cannot open shared object file: No such file or 
directory", even so it's present in /usr/local/lib.
I'm at the end of my rope, think I have to learn more about structures 
of system file localisation in different distributions.
Is there anybody around, who was lucky to get Clam/Annotator running? Is 
it a problem in 8.10? 64bit? Does it work in 8.04? Now I don't want to 
give up half the way.

Gerhard


David Hughes schrieb:
> clam, the c++ library of audio and music has some pretty neat harmonic 
> analysis going on.  check it:  http://clam-project.org/
>
> On Sun, Mar 22, 2009 at 1:40 PM, Gerhard Lang  <mailto:lang.gerh...@gmail.com>> wrote:
>
> Hi,
> Maybe it's a little o.t., but I am looking for a software that
> analyzes
> polyphonic musik and extracts chords, notes, bass lines etc.  Any
> suggestions?
>
>
> Gerhard
>
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recognize chords etc. in audio files

[Gerhard Lang]

Hi,
Mabe it's a little o.t., but I am looking for a software that analyzes 
polyphonic musik and extracts chords, notes, bass lines etc.  Any 
suggestions?


Gerhard

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Re: Questions for a new configuration

[Gerhard Lang]

Maurizio De Cecco schrieb:
> I am thinking about upgrading my studio, and this time i would move
> from a Windows only environment to a mixed Linux/Windows one (sorry,
> i cannot drop windows, i have 15 years of music stored in proprietary,
> undocumented format, sigh :-<).
>
> So, i have a couple of question:
>
> 1) Would Ubuntu Studio (or any Ubuntu, actually) works on a Core i7 processor 
> ? I am specifically thinking to a noisy Dell Studio XPS.
>
> 2) Is there any reasonably priced internal or USB or Firewire sound interface 
> with at least 8 analogues input that works with Ubuntu Studio
> without too much troubles ?
>
> Thanks,
> Maurizio De Cecco
>
>
>   
Ad 2):
Edirol FA 101, ~ 400 Euro(GE), for me no troubles in U-Studio 32&64bit
(stationary pc with firewire pci card and a notebook with fw onboard).
Best regards Gerhard

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Re: Jack RT stopped working after system update

[Gerhard Lang]

Philip Schleihauf schrieb:
> Hello,
>
> Yesterday I hooked up my Ubuntu Studio box to the internet again for
> the first time in about a month and a half so I could get some files
> and programs, and also to update the system. There were a lot of
> updates, and the computer froze about 4/5 through installing the
> files, so I forced a restart.
>
> Restarted. Opening Synaptic gave me a message telling me to run "dpkg
> --configure -a". I did that and it seemed to finish installing the
> programs as it would normally.
>
> Now when I try to start Jack with RT enabled, it fails. It works
> without RT, and it worked before either way. I've messed around with
> the settings, but so far to no avail.
>
> Here is the output of the Messages window:
>
> 20:18:47.587 Patchbay deactivated.
> 20:18:47.680 Statistics reset.
> 20:18:47.718 ALSA connection graph change.
> 20:18:47.915 ALSA connection change.
> 20:19:24.476 Startup script...
> 20:19:24.479 artsshell -q terminate
> 20:19:24.926 Startup script terminated with exit status=256.
> 20:19:24.927 JACK is starting...
> 20:19:24.928 /usr/bin/jackd -R -dfreebob -r44100 -p1024 -n3 -D
> 20:19:24.943 JACK was started with PID=5732.
> jackd 0.109.2
> Copyright 2001-2005 Paul Davis and others.
> jackd comes with ABSOLUTELY NO WARRANTY
> This is free software, and you are welcome to redistribute it
> under certain conditions; see the file COPYING for details
> JACK compiled with System V SHM support.
> cannot use real-time scheduling (FIFO at priority 10) [for thread
> -1210870096, from thread -1210870096] (1: Operation not permitted)
> cannot create engine
> 20:19:24.958 JACK was stopped successfully.
> 20:19:24.959 Post-shutdown script...
> 20:19:24.961 killall jackd
> jackd: no process killed
> 20:19:25.374 Post-shutdown script terminated with exit status=256.
> 20:19:26.958 Could not connect to JACK server as client. - Overall
> operation failed. - Unable to connect to server. Please check the
> messages window for more info.
>
>
>
>
> I am using a Pentium 4 machine with 512MB ram, 58GB on this partition.
> I've got a FireWire card in a PCI slot to which a Presonus FireBox is
> attached. This is the first time I've had problems with the audio.
>
> I'm using the RT kernel
> I've got realtime checked in Jack settings, with 3 periods at 1024
> frames each. I've been using the freebob driver.
>
> All these settings are fine when realtime is not enabled. In a few
> days I am going to need to record about 8 tracks simultaneously (2
> fireboxes), and I can't see that happening without realtime
> scheduling.
>
> thanks,
> Phil
>
>   
In start-up menue choose old rt-kernel (for me it's 2.6.24-23-rt)
Try ubuntustudio-controls (synaptic).
Make sure
/etc/security/limits.conf contents
@audio - rtprio 99
@audio - memlock unlimited (edit unlimited to 3/4 of your installed
memory and remove this explanation)
@audio - nice -19
make sure group "disk" exists for user and root
Good luck for your recording session and happy New Year
Gerhard

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Re: building 2.6.24 in an intrepid environment

[Gerhard Lang]

Khashayar Naderehvandi schrieb:
> Hi all,
>
> I'm trying to make a proper build of hardy's kernel for intrepid,
> using the source debs from hardy. I think kernel 2.6.24 has a problem
> with gcc 4.3, giving me these errors:
>
> kernel/built-in.o: In function `timespec_add_ns':
> /build/buildd/linux-2.6.24/include/linux/time.h:177: undefined
> reference to `__umoddi3'
> /build/buildd/linux-2.6.24/include/linux/time.h:177: undefined
> reference to `__udivdi3'
> kernel/built-in.o: In function `timespec_add_ns':
> /build/buildd/linux-2.6.24/kernel/time/timekeeping.c:127: undefined
> reference to `__udivdi3'
> /build/buildd/linux-2.6.24/kernel/time/timekeeping.c:127: undefined
> reference to `__umoddi3'
> kernel/built-in.o: In function `timespec_add_ns':
> /build/buildd/linux-2.6.24/include/linux/time.h:177: undefined
> reference to `__umoddi3'
> /build/buildd/linux-2.6.24/include/linux/time.h:177: undefined
> reference to `__udivdi3'
> /build/buildd/linux-2.6.24/include/linux/time.h:177: undefined
> reference to `__umoddi3'
> /build/buildd/linux-2.6.24/include/linux/time.h:177: undefined
> reference to `__udivdi3'
> /build/buildd/linux-2.6.24/include/linux/time.h:177: undefined
> reference to `__umoddi3'
> /build/buildd/linux-2.6.24/include/linux/time.h:177: undefined
> reference to `__udivdi3'
> make[2]: *** [.tmp_vmlinux1] Error 1
> make[1]: *** [sub-make] Error 2
> make[1]: Leaving directory `/build/buildd/linux-2.6.24'
> make: *** [/build/buildd/linux-2.6.24/debian/stamps/stamp-build-386] Error 2
> dpkg-buildpackage: failure: debian/rules build gave error exit status 2
>
> According to this thread
> http://bbs.archlinux.org/viewtopic.php?id=45882, there's a solution if
> one changes CFLAGS_KERNEL in Makefile.
>
> Now, to my question. The kernel source debs work rather differently
> than other packages. For instance, there's no debian/patches folder,
> where I otherwise would put a patch change Makefile. Could some kind
> soul tell me how to do this? Note that I'm well aware of how to
> compile a kernel, with make-kpkg or just "manually". But what I want
> is to have debs produced in the same way the offical kernel debs are
> produced.
>
> Thanks in advance,
> Khashayar
>
>   
Why don't you use the official kernel debs?
In my laptop environment I found an easier way to use 2.6.24-23-rt in
Ubuntustudio 8.10:
In a clean ubuntustudio 8.04.1 with all apt-update/upgrade I did a
distribution upgrade to intrepid and and just choose old kernel
2.6.24-23-rt from grub-menue. Until now I found no studio/audio-program
that needs kernel 2.6.27/28 for running.
Ok, if you are a developer, it would be better to help solving the
problems with the actual rt-kernel and make it useful for dual- and
multi-cpu systems.
Some days ago I posted here a short workaround how to come to the
2.6.24-23-rt-kernel without full reinstall of 8.04, but Cory adviced me
to be prudent with recommending such things because there might result
ugly messed up systems. For my self I had more mess-up with a
frustrating attempt to compile a 2.6.28-rt kernel with the config of
2.6.24-23-rt.
Happy New Year
Gerhard

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Re: -rt in intrepid, quick and dirty

[Gerhard Lang]

Cory K. schrieb:
> Gerhard Lang wrote:
>   
>> but in works ;)
>> 
>
> No. It's correct to say: "It works for me.".
>
> There are definite drivers issues that other users can come across. ie:
> Using Intrepid drivers on a Hardy kernel.
>
> So please when recommending things like this, qualify it and give a
> little bit of warning.
>
> -Cory K.
>
>
>   
Ok, I agree.
Thought calling this a "dirty" solution would be enough warning.
Gerhard

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Re: -rt in intrepid, quick and dirty

[Gerhard Lang]

Cory K. schrieb:
> sue...@empire.net wrote:
>   
>>> as root backup and open /etc/apt/sources.list.
>>> Replace all "intrepid" with "hardy".
>>> Sudo apt-get update.
>>> In synaptic choose newest 2.6.24--rt stuff and install.
>>> Replace sources.list with the backup, reboot.
>>> Have fun with dual core, latency and xruns as usual.
>>> 
>>>   
>> Is this, in any way, an official hardy -rt for UBStudio?
>> 
>
> No. Using the Hardy kernel in Intrepid is not supported nor recommended.
>
> -Cory K.
>
>
>   
but in works ;)
Afaik 2.6.24-23-rt is the latest official realtime kernel for
ubuntustudio 8.04.
Frustrated about missing dual cpu support in kernel 2.6.27-3-rt and poor
audio performance with generic kernel I first thought I'd have to remove
complete ubuntustudio 8.10 and reinstall 8.04, but the workaround above
does the trick. So inside intrepid environment I can change between
original 2.6.27-10 generic and the obsolete, but working 2.6.24-23-rt
kernel for audio production. Up to now I found no malfunctions.

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-rt in intrepid, quick and dirty

[Gerhard Lang]

as root backup and open /etc/apt/sources.list.
Replace all "intrepid" with "hardy".
Sudo apt-get update.
In synaptic choose newest 2.6.24--rt stuff and install.
Replace sources.list with the backup, reboot.
Have fun with dual core, latency and xruns as usual.

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Re: Moved to Ubuntu 8.10

[Gerhard Lang]

simone-www.io-lab.org schrieb:
> On Sun, Nov 30, 2008 at 10:28 PM, Cory K. <[EMAIL PROTECTED]> wrote:
>   
>> Maurizio De Cecco wrote:
>> 
>>> I updated from Ubuntu Studio 8.04 to 8.10 with the update manager.
>>>
>>> The update solved a slow wake up from sleep problem (it was a couple of
>>> minutes),
>>> but i got a few other problems:
>>>
>>> 1) Slow boot: around 4-5 minutes against the 2 minutes on 8.04
>>> 2) It does not shut down: it freeze, and the text console says "Shutting
>>> down ALSA", or equivalent.
>>> There is nothing to do other that powering down the machine.
>>> 3) Key bindings on the desktop screw up emacs editing badly.
>>> 4) Thinkfinger do not work anymore.
>>>
>>>   
> can you tell us what s the solution to the sleep problem?
>
>
>   
>>> Point 2 is the critical one.
>>>
>>> Anybody had similar experiences ?
>>>
>>> My system is a Thinkpad x61, 2Gb Ram, and i installed the 64 bit studio.
>>>
>>> Thanks for any help ..
>>>   
>> I would do a clean install.
>>
>>
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>> 
>
>
>
>   
Shutdowns freeze randomly since i started with 6.04 even after clean
istalls on different systems, read a lot about powermanagement, acpi,
apic, lapic, interrupts etc., but never found out how to reproduce this.
If it happens, sometimes i can reach the console and sudo shutdown,
other times only hard reset or switch off. Never caused this bug data
loss for me. I remember similiar shutdown bugs former times in Windows.

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Audio Production Laptop

[Gerhard Lang]

There are many users out there with low budgets, like me trying ubuntu
studio because they are looking for alternatives from MS-dependency and
for them Apple-products even more are out of range.
I'm lucky with a nexoc osiris s620ii, a barebone, my configuration is
Intel cpu medium speed dualcore and chipsets,  FW, 4G RAM,  320 G HD,
~700€ wto OS in Germany 9/08. Edirol FW101 as sound interface. I'm
messing around with live-played sw-synths, wine, wineasio, reaper, vst,
especially korg MS20 legacy, synchronous instrument and voice recording.
For low latency audio performance this machine is much better then an
other notebook with amd64x2 processor, nvidia chipset and 3d graphics.
This notebook solution is for life performance and recording, so it has
to be small, light weighted and needs no 3d-gamer-screen. For more
elaborated production and composition you either will use stationary
machines with >20" screens.

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