Linux-audio-user June 2005

linux-audio-user@lists.linuxaudio.org

153 participants
135 discussions

[linux-audio-user] [OT] problem mounting /dev/hda

by Dave Phillips

Greetings: Here's the trouble: I want to access a disk (/dev/hda2) from RH9, the disk to access is set up for FC3. I've tried every option I can think of for mounting but the best I get is this error: [root@localhost mnt]# mount -t auto -o rw /dev/hda2 /mnt/deva2/ mount: you must specify the filesystem type /dev/hda1 will mount properly with mount's defaults. What's the problem with /dev/hda2 ?? Both disks are Planet CCRMA installations. As far as I can tell the filesystem for hda2 is ext3, but specifying that filesystem doesn't work. Any suggestions ? Best, dp

19 years, 5 months

[linux-audio-user] Problems with RP patch + hdsp + jackd at 96000

by Mario Lang

Hi. I recently patched my kernel with the RP patch by Ingo to get rid of the many xruns I was getting with my brand new Multiface (PCI). THe result is somewhat strange, so I thought I'd post a summary here and see if someone else has had similar problems: 1. jackd -d alsa -dhw:1 -p64 At 48kHz, jackd ran the whole night with SuperCollider connected to some of its ports without a single xrun! This is a massive improvement. 2. jackd -d alsa -dhw:1 -p64 -r96000 This used to work without the RP patch applied, it generated some xruns, but it used to work. Now, using the RP patch, jackd seem to simply hang. If I boot up the SuperCollider synthesis server, it results in a "failed to start" message by SC. Normal jack clients like jack_lsp do still work, but jackd exits after about 10 seconds or so, claiming its watchdog killed it. Without -R, it runs without dying, but no audio clients work. One indication that the problem is really originating from within jackd is the fact that -v does not produce any of the load-statistic output if used as argument to jackd. Linux lexx 2.6.12-rt-v0.7.50-10 #1 Wed Jun 22 14:59:13 CEST 2005 i686 GNU/Linux jackd version 0.99.0 tmpdir /dev/shm protocol 13 -- CYa, Mario

19 years, 5 months

[linux-audio-user] Re: What parts of Linux audio simply ...

by David Baron

Ok 1. I think we can use nicer language and manners on these lists. Yes, some parts of Linux audio have not YET made it to those of the other two "big players" but it is coming along. 2. OK, my peave: No support for a perfectly good Dman2044 card. Not the neweest, most advanced, highest bit-count and sampling speed, but ... and it has a nice chunky breakout box. I would roll my own (parden the drug oriented term--still nicer than profanity) if I could make heads or tails out of the two source modules that need be combined to support this card. The approach is entirely different. 3. Peave-2: WINE. It seems fewer and fewer legacy apps and even simpler games run successfully. Fouls up on fonts! Thunks--run as w2k will fix that. 4. There is really no incentive to bring apps we know and love over to Linux. These applications are for-profit sales of licenses to a limited niche-market of Windows and Mac users. There is strength and potential profit it numbers. Even ones which can be probably be done readily such as Tracktion will most likely not be. One exception may be Harbal (mastering re-equalizer--his demo runs 100% under wine and he says he will port--nice NOT to be based on Microsoft's framework!)

19 years, 5 months

[linux-audio-user] Re: Recording internet radio using MPlayer

by Kevin Sookocheff

> If like me, you may have several > mplayers running (but paused), doing a killall could prove to be rather > inconvenient. Good point ... I'll have to change that in my setup. Kevin

19 years, 5 months

[linux-audio-user] rt_preempt // 2.6.12 // ppc

by jason kahn

>> >>> my system works fine with 2.6.12RC6 + rt_preempt + nvidia drivers (need >>> 3d acceleration to use Mixxx at its best) - no xruns, latency down to >>> 256 (can go to 128, but with the odd hiccup). >>> >>> just about to compile the 2.6.12 vanilla with rt_preempt (if it's a >>> goer) ... >>> >>> shayne >>> is there a way to compile a 2.6.12 kernel for ppc with rt_preempt (i am using an apple g4 powerbook, 1ghz processor)? if so, can someone point me to some information about this? thanks very much. jason kahn

19 years, 5 months

[linux-audio-user] apps for practicing improvisation

by Gilles Degottex

Hi, I'm looking for softwares to practice improvisation, chords grids, beat/mesures following, etc. I found on or two interesting apps, but I want to know of your experiences :) someone know of good web site for ressources, drums rythmes, grid files, etc ? for example, hydrogen seems really usefull, but I found no web sites with a lot of h2song files. Thanks in advance, Gilles

19 years, 5 months

[linux-audio-user] Re: Recording internet radio using MPlayer

by Kevin Sookocheff

Thanks for all the help, Paul hit the nail on the head. Mplayer likes an interactive shell. Changing the redirection of output streams helped me fix the problem: Here is my new crontab that works: 0 22 * * 1-5 /home/xxxxxx/scripts/radio2 >> /dev/null 2>&1 5 2 * * 1-5 killall -9 mplayer >> /dev/null 2>&1 Thanks for the help everyone, Kevin

19 years, 5 months

[linux-audio-user] wavesurfer-snack

by luis jure

hello list, i've just sent this message to the gentoo mailing list, because i think it's a problem specific to that distribution. i'm having problems with wavesurfer, or it seems rather with snack, since it only happens when trying to play a sound. i tried different versions of wavesurfer, and all behave in the same way: with snack 2.2.4, hitting "play" crashes the program with a segmentation fault; with snack 2.2.9 wavesurfer doesn't crash, but it only reproduces a fraction of a second of sound, and then the cursor keeps moving silently. i want to file a bug report, but first i'd like to know if anyone is having similar problems, with gentoo or other distributions. best, lj

19 years, 5 months

[linux-audio-user] problems patching 2.6.12 with latest rt_preempt

by Shayne O'Connor

i'm having problems patching vanilla 2.6.12 with ingo molnar's latest rt_preempt ... [mrmachine@localhost linux-2.6.12]$ patch -p1 < ../realtime-preempt-2.6.12-final-V0.7.50-12 missing header for unified diff at line 5 of patch can't find file to patch at input line 5 Perhaps you used the wrong -p or --strip option? The text leading up to this was: -------------------------- |Index: Makefile |=================================================================== |--- Makefile.orig |+++ Makefile -------------------------- File to patch: i've successfully patched all the Release Candidates leading up to 2.6.12, so i don't know what the stumbling block is here ... any ideas? shayne

19 years, 5 months

[linux-audio-user] Realtime kernels, and Debian

by Fabricio Rocha

Is there anything I´m missing?? When I wrote "recompile the kernel for having realtime" I was thinking about simply what I have done -- download the kernel-sources-2.6.11 package from a Debian repository, run "make xconfig", toggling capabilities, marking the Realtime-LSM option, and loading the "realtime" module "gid=29" (Debian "audio" group) for running JACK as non-root. I´ve heard about patches for realtime, but only for 2.4.x kernels. Are there OTHER patches for 2.6.x kernels? Well, event if that´s true, it still means (even more) complication for having realtime, and I still think this is not exactly the usability expected by a normal multimedia user who would like to move to GNU-Linux. I hope that all the big distros adopt realtime capabilities as a default in their kernels, so the music apps should simply invoke something like "modprobe realtime", and "voilá", you´ve got a realtime system for your music. By the way, as there is a topic about Debian/DeMuDi/Ubuntu, I run Kurumin Linux, a installable-live-CD Brazilian distro based in Knoppix/Debian. I have installed the 2.6.11 kernel and lots of apps from testing and unstable Debian. I use it for all my daily computing needs, never had a serious bug, and it has been working fine for music. Would there be really any advantage in using DeMuDi? Thanks and regards! Fabricio Rocha Brasilia, Brasil _______________________________________________________ Yahoo! Acesso Grátis - Internet rápida e grátis. Instale o discador agora! http://br.acesso.yahoo.com/

19 years, 5 months

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Linux-audio-user June 2005