> That is sounding suspiciously like a problem with the usb driver on that > machine, rather than a problem with your specific soundcard. > What version of Linux are you running on that machne-- what kernel, etc. I am running Kubuntu Gutsy but have tried the beta of Hardy as well without success. My kernel version is "2.6.22-14-generic". Some guy wrote somewhere that his X-Station used to work up until a couple of releases of Ubuntu ago - but I don't know what important changes there's been to snd-usb-audio in recent times. I'm not sure where to see my version of snd-usb-audio either. > remove arts. Kill it and see if that helps. Killing the process artsd doesn't help. I have tried uninstalling it but due to some dependency-sh* every one of my applications and KDE itself were removed. I had to start all over. Killing pulseaudio and then trying to start it (undaemonized), by typing "pulseaudio" in shell, prints this (and the other stuff that I pasted in my preliminary post): E: module-alsa-sink.c: Failed to set hardware parameters: Operation not permitted E: module.c: Failed to load module "module-alsa-sink" (argument: "device=hw:1"): initialization failed. Thanks 2008/4/11, Bill Unruh <unruh@xxxxxxxxxxxxxx>: > On Fri, 11 Apr 2008, Kristian Dalgard wrote: > > > > I will try to be much more brief :) > > > > Does anyone know why my external usb sound card - a Novation X-Station - > > doesn't work properly? It should be supported, but many things crash when > > trying to output to it - and both aRts and PulseAudio refuses to work with > > it. > > > > Support for the device in snd-usb-audio is described here: > > http://www.qbik.ch/usb/devices/showdev.php?id=3114 > > > > Please help. > > > > Kristian > > > > > > 2008/4/6, Kristian Dalgard <k.dalgard@xxxxxxxxx>: > > > > > > > > Dear List, > > > The presence of you gives me new hope in my desperate journey for > > > outputting sound through my Novation X-Station in a reasonable manner... a > > > manner that is system wide and doesn't cause applications to crash. This > > > journey is becoming a long one despite the fact that my device is officially > > > supported by the snd-usb-audio driver. > > > > > > > That is sounding suspiciously like a problem with the usb driver on that > machine, rather than a problem with your specific soundcard. > What version of Linux are you running on that machne-- what kernel, etc. > > > > > > > > > > > The last four days I have struggled with understanding the many (often > > > very confusingly referenced) layers in producing sound on my system. I have > > > installed stuff, compiled kernel-stuff and edited numerous config-files. And > > > I have grown a lot wiser. But I have also grown more and more convinced that > > > something is amiss deep down at the driver level. > > > > > > I'm running Kubuntu 7.10, ALSA (libasound2) version 1.0.14. I have an > > > internal Intel sound card besides my X-Station, which is a USB device. I > > > definitely consider myself a newbie in the world of Linux. > > > > > > For reference, the pages linked to below this paragraph describe the > > > driver my card is using and another person's problem which may be the same > > > as mine. I have also seen mailing list posts about the successful > > > development of support for my device (and the Novation ReMOTE, which should > > > be similar). > > > > > > http://www.qbik.ch/usb/devices/showdev.php?id=3114 > > > https://bugs.launchpad.net/ubuntu/+source/alsa-utils/+bug/148815 > > > > > > > > > Now, a short recap of my troubles: > > > > > > Upon a clean install of Kubuntu my "XStation" shows up in KMix very nicely > > > alongside my internal devices. It takes me quite a while though to figure > > > out how to make it the active device, which I end up doing with "asoundconf > > > set-default-card XStation" as the card shows up (again, quite nicely) on > > > "asoundconf list" with that name. > > > This immediately produces sound when playing a wma-audio (I know, RAS > > > syndrome) file in Amarok. When trying to play an mp3, after installing mp3 > > > support (Xine or something), Amarok crashes. > > > > > > After a reboot, which I thought would in some way consolidate my new > > > choice of default card, the aRts soundserver (artsd) crashes upon logging > > > into KDE. (aRts seems like a terrible choice for KDE anyways, doesn't > > > it...?) Artsd keeps crashing every few seconds but, as far as I can remember > > > now, I am actually able to play some files in Amarok. I quickly do a > > > "reset-default-card", though, as being constantly interrupted by a > > > crash-infobox is frustrating to say the least. > > > > > > > remove arts. Kill it and see if that helps. > > > > > > > > > > > > I try disabling my Intel sound card in BIOS, but it only switches focus in > > > my to some kind of tv-card sound device, which doesn't help at all. > > > > > > Way too many hours of Googl'ing later, I try downgrading ALSA to version > > > 1.0.13. This pays off in a way that sort of moves my problems around a > > > bit. I am able to play mp3s (with the sound being output through my > > > X-Station, of course) but having trouble with other sources and various > > > stuff crashes spontaneously... I then try compiling and applying version > > > 1.0.16 on my kernel with somewhat the same general results, and lastly I do > > > a full reinstall of the beta version of Kubuntu 8.04 Hardy. The last move is > > > to make sure everything ALSA is included and tested by others. > > > > > > During all of my attempts (which include other dead ends advised in > > > different places) I have tried editing relevant conf-files including adding > > > my device to .asoundrc in the ways described in forum posts and articles and > > > setting and resetting asoundconf default-card. But it seems that aRts never > > > really works with my device and other applications either crash, produce > > > sound for less than a second, do not produce sound at all or ... play just > > > fine. > > > > > > Now I have made a very comprehensive installation of PulseAudio on my > > > system. I have followed every step in the official guide, and all in all > > > this seems like a very nice setup. The "Volume Control" utility seems to > > > work great and my applications produce sound - all on my internal sound > > > card. My X-Station on the other hand is not even listed under "sinks" in the > > > volume control util. > > > > > > The absence of the X-Station is not unexpected, though, although it still > > > shows up in KMix; when running pulseaudio un-daemonized in console I get a > > > lot of errors which I think at least hint of the level of my problem. The > > > output is as follows: > > > > > > > > > kristian@medion:~$ pkill pulseaudio > > > kristian@medion:~$ pulseaudio > > > W: main.c: WARNING: called SUID root, but not in group 'pulse-rt'. > > > E: module-alsa-sink.c: Failed to set hardware parameters: Operation not > > > permitted > > > E: module.c: Failed to load module "module-alsa-sink" (argument: > > > "device=hw:1"): initialization failed. > > > E: module-alsa-source.c: Failed to set hardware parameters: Operation not > > > permitted > > > E: module.c: Failed to load module "module-alsa-source" (argument: > > > "device=hw:1"): initialization failed. > > > W: alsa-util.c: device doesn't support 44100 Hz, changed to 48000 Hz. > > > W: alsa-util.c: Cannot find mixer control "Capture". > > > W: alsa-util.c: Cannot find fallback mixer control "Mic". > > > W: alsa-util.c: device doesn't support 44100 Hz, changed to 48000 Hz. > > > W: alsa-util.c: Cannot find mixer control "Capture". > > > W: alsa-util.c: Cannot find fallback mixer control "Mic". > > > E: sound-file.c: Failed to open file > > > /usr/share/sounds/gtk-events/activate.wav > > > E: main.c: Failed to load sound file. > > > > > > kristian@medion:~$ aplay -l > > > **** List of PLAYBACK Hardware Devices **** > > > card 0: Intel [HDA Intel], device 0: ALC882 Analog [ALC882 Analog] > > > Subdevices: 0/1 > > > Subdevice #0: subdevice #0 > > > card 0: Intel [HDA Intel], device 1: ALC882 Digital [ALC882 Digital] > > > Subdevices: 1/1 > > > Subdevice #0: subdevice #0 > > > card 1: XStation [XStation], device 0: USB Audio [USB Audio] > > > Subdevices: 1/1 > > > Subdevice #0: subdevice #0 > > > > > > > > > I am not able to say in what way PulseAudio, ALSA, aRts, the ALSA kernel > > > drivers and the USB layer is linked together - in fact, I am pretty confused > > > about this - but it seems to me, that the trouble begins in trying to > > > communicate with the device at driver level. The X-Station does produce > > > sound in certain situations, which really adds to my frustration, and > > > support for the device has been added/checked with the driver. > > > > > > Making this work is very important to me and the only real problem I'm > > > having with Kubuntu so far. I really hope someone here is able to help. And > > > I sincerely apologize for my verbosity, it is getting quite late here in > > > Denmark... > > > > > > Thank you for reading, anyway! > > > > > > Kristian Dalgård > > > > > > > > > > > > -- > William G. Unruh | Canadian Institute for| Tel: +1(604)822-3273 > Physics&Astronomy | Advanced Research | Fax: +1(604)822-5324 > UBC, Vancouver,BC | Program in Cosmology | unruh@xxxxxxxxxxxxxx > Canada V6T 1Z1 | and Gravity | www.theory.physics.ubc.ca/ ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. 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