On 10/06/2017 11:39 PM, Ingo wrote: > Hi everybody, > > I'm trying to run my rather complex Pd patch on an Up Board (x5-Z8350 > CPU,32GB eMMC, 4GB RAM). > The board has the RPi formfactor but is much more powerful. > > The up board comes with ubilinux (64bit debian version especially for the Up > Board). > After spending a lot of time with ubilinux and the normal debian9.1 (64bit) > I couldn't stop it from constantly crashing when I opened my patch - for > some unknown reason.
it would be interesting to know why that is happening. e.g. by producing a stacktrace via gdb. (from a dev perspective i find this a much more interesting problem to solve than "why is my ALSA not working") > After giving up with the 64bit OS I installed debian 9.1 (32bit) and it's > running perfectly stable as before with my old amd hardware. No more > crashes! amd hardware? what happened to the up-board? > All externals (except for "iemlib/mp3play~" what's wrong with mp3play~? > and "toxy/tot" [not to be found > anymore]) are working as expected. > However, with the normal debian alsa is NOT giving me any sound! > > Then I compiled the kernel with oss but oss is not producing any sound > either. did you try jack? > Here is what I get from pd when turn on alsa: > > ALSA input error (snd_pcm_open): No such file or directory > ALSA output error (snd_pcm_open): No such file or directory > > The (external USB-)sound card does show up in the drop down menu of Pd's > audio settings for selection, though. > So it is regognized both by pd and the operating system. I tried several > different USB sound cards with the same result. > > Here is what I get when I try to open alsamixer from the LXTerminal: > > error when opening mixer: No such file or directory > (original in German: Fehler beim �ffnen des Mixer-Ger�tes: Datei oder > Verzeichnis nicht gefunden) > > > When I use portaudio I'm actually getting sound but it is very quiet as the > sound output is turned down by the system during start up. > I can't find any way to turn the volume of the sound card up, though since I > cannot open any mixer. > > Does anybody have an idea how I can get alsa to work? > Debian tells me that "alsa-utils" and "alsa-base" is already installed with > the newest version (1.1.3-1 and 1.0.27+1). > *alsa-base*? Debian>=9 doesn't ship an alsa-base package any more. how did you install it? do you by chance mix some (incompatible) repositories? what's the output of `aplay -l`
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