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> From: music-request@xxxxxxxxxxxxxxxxxxxxxxx > Subject: music Digest, Vol 48, Issue 17 > To: music@xxxxxxxxxxxxxxxxxxxxxxx > Date: Thu, 28 Apr 2011 12:00:17 +0000 > > Send music mailing list submissions to > music@xxxxxxxxxxxxxxxxxxxxxxx > > To subscribe or unsubscribe via the World Wide Web, visit > https://admin.fedoraproject.org/mailman/listinfo/music > or, via email, send a message with subject or body 'help' to > music-request@xxxxxxxxxxxxxxxxxxxxxxx > > You can reach the person managing the list at > music-owner@xxxxxxxxxxxxxxxxxxxxxxx > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of music digest..." > > > Today's Topics: > > 1. Re: kernel I use for music production (David Timms) > 2. Looking to get involved (William Blackburn) > 3. Re: Looking to get involved (David Timms) > 4. Re: Looking to get involved (adam@xxxxxxxxxxxxxxxxxxxxxxxx) > 5. Re: Looking to get involved (Fernando Lopez-Lezcano) > 6. Re: kernel I use for music production (Fernando Lopez-Lezcano) > 7. Re: Looking to get involved (Orcan Ogetbil) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 27 Apr 2011 22:54:45 +1000 > From: David Timms <dtimms@xxxxxxxxxxxx> > Subject: Re: kernel I use for music production > To: music@xxxxxxxxxxxxxxxxxxxxxxx > Message-ID: <4DB81215.9040807@xxxxxxxxxxxx> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > On 27/04/11 01:53, William Blackburn wrote: > > > > Hello, I want to share something with the music community. I have > > been using the stock 2.6.38.4 kernel with the "ck" patch and have had > > nothing but great results with it. No X-runs or anything. If anyone > > is interested, feel free to ask me some questions about it. > > Are you saying patch and build ? > > What problems were you having with standard Fedora 15 kernel ? > > Is this with a slower or single core machine ? > > > ------------------------------ > > Message: 2 > Date: Wed, 27 Apr 2011 14:08:28 +0000 > From: William Blackburn <bill_-@xxxxxxxxxxx> > Subject: Looking to get involved > To: <music@xxxxxxxxxxxxxxxxxxxxxxx> > Message-ID: <SNT133-w2589D123B7F372F49C9D39B6980@xxxxxxx> > Content-Type: text/plain; charset="iso-8859-1" > > > Hello, you guys have most likely seen me on this before when I was > asking questions about something. However, I have been using Fedora > for a while now and I would like begin to get involved with the music > community. I am looking to maybe learn how to package things or to do > anything that would help out. Basically, I want to be part of the > team. > > I wrote a wiki in the past but it has since been obsoleted. > This is the link. > https://fedoraproject.org/wiki/User:Tertl3/real-time > > What could I do to help out? > > Thanks a lot everyone! > > Bill Blackburn (tertl3 on IRC) > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: http://lists.fedoraproject.org/pipermail/music/attachments/20110427/81f73288/attachment-0001.html > > ------------------------------ > > Message: 3 > Date: Thu, 28 Apr 2011 07:54:13 +1000 > From: David Timms <dtimms@xxxxxxxxxxxx> > Subject: Re: Looking to get involved > To: music@xxxxxxxxxxxxxxxxxxxxxxx > Message-ID: <4DB89085.9080205@xxxxxxxxxxxx> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > On 28/04/11 00:08, William Blackburn wrote: > > What could I do to help out? > 1. Testing of new or updated packages: > eg: audacity - building at the moment for f14,15, available for rawhide: > http://koji.fedoraproject.org/koji/packageinfo?packageID=1352 > > Specifically, note which functions of the app you have taken for a spin, > and had success with. This makes it easier for others to try something > that you haven't. > > 2. take a CCRMA (or other upstream application) package, update to > fedora guidelines and current version, and submit for fedora review: > http://ccrma.stanford.edu/planetccrma/mirror/fedora/linux/planetccrma/14/SRPMS/ > > Choose especially apps that you might actually use, since you will be > long term primary maintainer. > > 3. work on Music Spin > http://fedoraproject.org/wiki/Music_Creation_Lite_Spin > see the discussion section for an initial review, and hence work to be done. > > 4. As a group, we probably also need a goals list. The wiki is a good > place to put ideas, and a bit of mail list or IRC discussion could help > to determine priorities, and be able to indicate that you would like to > work on a specific item. > > David. > > > ------------------------------ > > Message: 4 > Date: Wed, 27 Apr 2011 18:29:28 -0400 (EDT) > From: adam@xxxxxxxxxxxxxxxxxxxxxxxx > Subject: Re: Looking to get involved > To: "David Timms" <dtimms@xxxxxxxxxxxx> > Cc: music@xxxxxxxxxxxxxxxxxxxxxxx > Message-ID: <1303943368.308523673@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> > Content-Type: text/plain;charset=UTF-8 > > The single biggest thing that Fedora needs is a realtime kernel in the base repo. All the music packages in the world wont matter if running JACK at lowest latency requires building your own kernel. When I use Fedora for audio that's what I have to do - build my own kernel from upstream source. > > Building the real time kernel is the easy part. Navigating the Fedora project's labyrinthine structure and packaging requirements are the hard part. > > If you know anything about RPM packaging and/or getting packages into Fedora I would highly encourage you to look into this. Fedora has plenty of nice packages, but it has no kernel capable of running them at ultra low latency. I will do anything I can to help you. Without an easy to install realtime kernel built from upstream (not a patched version of the Fedora kernel) I can't recommend Fedora to people for audio work. If Fedora did have a realtime kernel in the base repos it would make it one of the most attractive distros for audio work. > > A > > -----Original Message----- > From: "David Timms" <dtimms@xxxxxxxxxxxx> > Sent: Wednesday, April 27, 2011 5:54pm > To: music@xxxxxxxxxxxxxxxxxxxxxxx > Subject: Re: [Fedora-music-list] Looking to get involved > > On 28/04/11 00:08, William Blackburn wrote: > > What could I do to help out? > 1. Testing of new or updated packages: > eg: audacity - building at the moment for f14,15, available for rawhide: > http://koji.fedoraproject.org/koji/packageinfo?packageID=1352 > > Specifically, note which functions of the app you have taken for a spin, > and had success with. This makes it easier for others to try something > that you haven't. > > 2. take a CCRMA (or other upstream application) package, update to > fedora guidelines and current version, and submit for fedora review: > http://ccrma.stanford.edu/planetccrma/mirror/fedora/linux/planetccrma/14/SRPMS/ > > Choose especially apps that you might actually use, since you will be > long term primary maintainer. > > 3. work on Music Spin > http://fedoraproject.org/wiki/Music_Creation_Lite_Spin > see the discussion section for an initial review, and hence work to be done. > > 4. As a group, we probably also need a goals list. The wiki is a good > place to put ideas, and a bit of mail list or IRC discussion could help > to determine priorities, and be able to indicate that you would like to > work on a specific item. > > David. > _______________________________________________ > music mailing list > music@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/music > > > > > ------------------------------ > > Message: 5 > Date: Wed, 27 Apr 2011 16:09:31 -0700 > From: Fernando Lopez-Lezcano <nando@xxxxxxxxxxxxxxxxxx> > Subject: Re: Looking to get involved > To: adam@xxxxxxxxxxxxxxxxxxxxxxxx > Cc: music@xxxxxxxxxxxxxxxxxxxxxxx > Message-ID: <4DB8A22B.70003@localhost> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > On 04/27/2011 03:29 PM, adam@xxxxxxxxxxxxxxxxxxxxxxxx wrote: > > The single biggest thing that Fedora needs is a realtime kernel in the base repo. > > Oh yeah.... I would love that! > > > All the music packages in the world wont matter if running JACK at > lowest latency requires building your own kernel. When I use Fedora for > audio that's what I have to do - build my own kernel from upstream source. > > Any particular reason you don't use the rt patched kernels I build for > Planet CCRMA? (apart from not wanting to use a non-Fedora repository, of > course). Just curious... > > > Building the real time kernel is the easy part. Navigating the Fedora project's labyrinthine structure and packaging requirements are the hard part. > > Yes, packaging an rt kernel is not easy, at least when you start... I've > been doing that since 2001 (sigh!). > > Last time the subject of "rt kernels into Fedora" came up (2008 I > believe), there was no interest from Fedora or RedHat into getting a > second kernel into their repositories - and the question had already > been asked two years or so before _that_. I could try to dig up the > thread. Maybe things have changed, but I don't hold much hope till the > issue is forced by rt getting into upstream (real soon now? :-). And > then the big discussion will be "should we enable this in the build - it > will break things!"? > > I don't see how Fedora would manage two kernels with the support issues > that would surface specially since today the latest "official" rt > patches are for 2.6.33 (I'm testing a forward port to 2.6.34 that > appeared in the rt mailing list, but that is still old). > > -- Fernando > > > > If you know anything about RPM packaging and/or getting packages into Fedora I would highly encourage you to look into this. Fedora has plenty of nice packages, but it has no kernel capable of running them at ultra low latency. I will do anything I can to help you. Without an easy to install realtime kernel built from upstream (not a patched version of the Fedora kernel) I can't recommend Fedora to people for audio work. If Fedora did have a realtime kernel in the base repos it would make it one of the most attractive distros for audio work. > > > > A > > > > -----Original Message----- > > From: "David Timms"<dtimms@xxxxxxxxxxxx> > > Sent: Wednesday, April 27, 2011 5:54pm > > To: music@xxxxxxxxxxxxxxxxxxxxxxx > > Subject: Re: Looking to get involved > > > > On 28/04/11 00:08, William Blackburn wrote: > >> What could I do to help out? > > 1. Testing of new or updated packages: > > eg: audacity - building at the moment for f14,15, available for rawhide: > > http://koji.fedoraproject.org/koji/packageinfo?packageID=1352 > > > > Specifically, note which functions of the app you have taken for a spin, > > and had success with. This makes it easier for others to try something > > that you haven't. > > > > 2. take a CCRMA (or other upstream application) package, update to > > fedora guidelines and current version, and submit for fedora review: > > http://ccrma.stanford.edu/planetccrma/mirror/fedora/linux/planetccrma/14/SRPMS/ > > > > Choose especially apps that you might actually use, since you will be > > long term primary maintainer. > > > > 3. work on Music Spin > > http://fedoraproject.org/wiki/Music_Creation_Lite_Spin > > see the discussion section for an initial review, and hence work to be done. > > > > 4. As a group, we probably also need a goals list. The wiki is a good > > place to put ideas, and a bit of mail list or IRC discussion could help > > to determine priorities, and be able to indicate that you would like to > > work on a specific item. > > > > David. > > _______________________________________________ > > music mailing list > > music@xxxxxxxxxxxxxxxxxxxxxxx > > https://admin.fedoraproject.org/mailman/listinfo/music > > > > > > _______________________________________________ > > music mailing list > > music@xxxxxxxxxxxxxxxxxxxxxxx > > https://admin.fedoraproject.org/mailman/listinfo/music > > > ------------------------------ > > Message: 6 > Date: Wed, 27 Apr 2011 18:46:07 -0700 > From: Fernando Lopez-Lezcano <nando@xxxxxxxxxxxxxxxxxx> > Subject: Re: kernel I use for music production > To: William Blackburn <bill_-@xxxxxxxxxxx> > Cc: music@xxxxxxxxxxxxxxxxxxxxxxx > Message-ID: <4DB8C6DF.3060100@localhost> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > On 04/26/2011 08:53 AM, William Blackburn wrote: > > Hello, I want to share something with the music community. I have been > > using the stock 2.6.38.4 kernel with the "ck" patch and have had nothing > > but great results with it. No X-runs or anything. If anyone is > > interested, feel free to ask me some questions about it. If you are on > > Fedora 15 it might be a good options since I don't think CCRMA has a > > rt-kernel for Fedora 15 yet. > > As Fedora 15 does not exist yet... > > > I can tell you how I went about installing > > the patched kernel if you need. The patch also is said to speed up basic > > responsiveness, but this subject is up for debate. > > A little bit more information would be great. What applications do you > use? Are you running jack for them? With what parameters? (ie: frames > per period, periods per buffer, sampling rate, etc). What soundcard do > you use? Are you really loading the machine when testing? > > And with the same conditions what kind of problem did you see in the > regular Fedora 15 kernel? > > -- Fernando > > > ------------------------------ > > Message: 7 > Date: Wed, 27 Apr 2011 22:05:09 -0400 > From: Orcan Ogetbil <oget.fedora@xxxxxxxxx> > Subject: Re: Looking to get involved > To: music@xxxxxxxxxxxxxxxxxxxxxxx > Message-ID: <BANLkTikhFrB1w_Udu9DseZEZE4TK9P4M1w@xxxxxxxxxxxxxx> > Content-Type: text/plain; charset=UTF-8 > > On Wed, Apr 27, 2011 at 5:54 PM, David Timms wrote: > > On 28/04/11 00:08, William Blackburn wrote: > >> What could I do to help out? > > > > 2. take a CCRMA (or other upstream application) package, update to > > fedora guidelines and current version, and submit for fedora review: > > http://ccrma.stanford.edu/planetccrma/mirror/fedora/linux/planetccrma/14/SRPMS/ > > > > Choose especially apps that you might actually use, since you will be > > long term primary maintainer. > > > > If you happen to choose this path, this is where you start: > http://fedoraproject.org/wiki/PackageMaintainers/Join > > You may want to build up some bash skills if you don't feel absolutely > comfortable with it. I recommend the following tutorial: > http://mywiki.wooledge.org/BashGuide > > In addition to adding new packages to our repertoire, we also need > help with the existing packages. > > If you follow the instructions to become a packager, you will come to > a stage where you need to find a sponsor. Let me know if/when that > happens. > > Cheers, > Orcan > > > A little bit more information would be great. What applications do you > use? Are you running jack for them? With what parameters? (ie: frames > per period, periods per buffer, sampling rate, etc). What soundcard do > you use? Are you really loading the machine when testing? > > And with the same conditions what kind of problem did you see in the > regular Fedora 15 kernel? > > -- Fernando Fernando, I usually try to get 5ms or less of latency with 41000 smaple rate and 64 frames/period and 2 periods/buffer. I do use JACK and I usually limit my self to use JACK as a guitar effects processor. I think it will also work fine with a recording app like qtractor as well. Actaully I was getting super low latency with the liunxDSP reverb effect. About 1.667ms believe it or not :) Here is a link to the patch and the kernel to patch against http://users.on.net/~ckolivas/kernel/. I think this is a better alternative b/c it does not require any c group privileges. Please feel free to try it and let me know what you thought. The maintainer of the patch can be found on OFTC at #ck. Btw I get freezes with the ccrma F14 kerenel-rt. Is this normal? Cheers guys, Bill > ------------------------------
> > _______________________________________________ > music mailing list > music@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/music > > End of music Digest, Vol 48, Issue 17 > ************************************* |
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