> Date: Sat, 4 May 2013 06:14:12 -0700 (PDT) > From: Bill Unruh <unruh@xxxxxxxxxxxxxx> > To: Joe Armstrong <joearms@xxxxxxxxx> > Cc: alsa-user@xxxxxxxxxxxxxxxxxxxxx > > On Sat, 4 May 2013, Joe Armstrong wrote: > > > On Fri, May 3, 2013 at 9:24 PM, Bill Unruh <unruh@xxxxxxxxxxxxxx> wrote: > >> On Fri, 3 May 2013, Joe Armstrong wrote: > >> > >>> On Fri, May 3, 2013 at 7:39 PM, Bill Unruh <unruh@xxxxxxxxxxxxxx> wrote: > >>>> > >>>> On Fri, 3 May 2013, Joe Armstrong wrote: > >>>> > >>>> > >>>> Try running aplay, etc as root, and see if it works, to see if it is some > >>>> permission problem. If that does not work either,then the problem lies > >>>> elsewhere. > >>> > >>> > >>> > >>> Well running aplay as non root works (ie does not crash) (but no sound > >>> and really strange behaviour as I explained earlier) > >>> > >>> As root I see this: > >>> > >>> $ sudo aplay -vv sound.wav > >> > >> > >> Try logging on as root > >> su - > >> > >> rather than doing sudo. > > > > Same thing happens > > > > root@nuc:~# aplay -vv sound.wav > > Home directory not accessible: Permission denied > > ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave > > aplay: main:682: audio open error: No such file or directory > > > > I suppose the next thing to do is recompile asla from the sources ... > > Or look at the source of aplay and put in some debugging commands so that you > know which file it is referring to when it says "no such file or directory" or > which Home directory is not accessible. > Is your home directory nfs mounted or something? > The audio open error seems to be from "snd_pcm_open" > Also try > -Dhw:0 > or > -Dplughw:0 > as an argument for aplay so it does not just use the default. > (assuming that the card you want to use is card 0) You could put "strace -o somefile " at the front of the command to see what system call is triggering the error message. If the correlation isn't clear, omit the -o and its argument and tee both stdout and stderr from the aplay command to a file. Or, run the "strace aplay ..." command from inside 'script'. HTH Robert Riches ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite It's a free troubleshooting tool designed for production Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap2 _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
