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 ... /Joe > > > >> Home directory not accessible: Permission denied > > > This suggests that the system is trying to run some process under non-root > id, > and then trying to use /root as home directory. > > > >> 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 > > > Again, strange. > > > >> >> I've no idea if this is a clue >> >>> If that also does not work, then I do not know what to suggest. Have you >>> looked through the dmesg output to see if there is anything there re >>> the sound card? >> >> >> Only the message I saw earlier when I ran alsa-info.sh >> >> [ 4.160206] init: Failed to spawn hybrid-gfx main process: unable >> to execute: No such file or directory >> >> What this message means is a mystery toi me >> >> Having googled a lot the only (linux) OS where the DC3117IYE sound works >> is Arch linux - and this seems to be due to some kernel patches (unclear >> which) > > > I cannot help there since I certainly have never seen that card, sorry. > > >> >> /Joe >> >> >> >>> >>> >>> >>> >>>> On Fri, May 3, 2013 at 6:45 PM, Bill Unruh <unruh@xxxxxxxxxxxxxx> wrote: >>>>> >>>>> >>>>> On Fri, 3 May 2013, Joe Armstrong wrote: >>>>> >>>>>> joe@nuc:~$ grep audio /etc/group >>>>>> audio:x:29:pulse,joe >>>>>> joe@nuc:~$ whoami >>>>>> joe >>>>> >>>>> >>>>> >>>>> >>>>> Good. So now it works? >>>>> >>>>> (Note that I removed the alsa users from this mail exchange) >>>> >>>> >>>> >>>> (cc'd to the list - I actually sent this reply earlier to Clemens >>>> Ladisch but forgot to cc to the list) >>>> >>>> No - I hear no sounds. >>>> >>>> Also the alsamixer has no volume controls >>>> >>>> Another strange thing >>>> >>>>> aplay -vv sound.wav >>> >>> >>> >>>> >>>> Behaves strangely - the song position indicator that indicates the >>>> percentage of the file played hops around it just from 28% to 5% to 30% >>>> etc. in a wild manner >>> >>> >>> >>> Does sound come out? (I presume not). >>> Hopping around does sound weird. Is there anything unusual about >>> sound.wav? >>> >>> What kind of file is it? >>> >>> >>> >>> >>>> >>>> /Joe >>>> >>>>>>> >>>>>>>> Sorry it was a typo - I did do adduser >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> As I said the format of your command does not look like like the >>>>>>> correct >>>>>>> format for adding a user to a group. I have never used adduser, so >>>>>>> there >>>>>>> may >>>>>>> be subtleties that I do not understand, but from the man page, your >>>>>>> command >>>>>>> makes no sense. >>>>>>> Anyway, look in /etc/group to see if it did what you thought it >>>>>>> should. >>>>>>> Did >>>>>>> it? What is the output of grep audio /etc/group >>>>>>> >>>>>>> ? >>>>>>> >>>>>>>> >>>>>>>> /Joe >>>>>>>> >>>>>>>> On Fri, May 3, 2013 at 4:44 PM, Bill Unruh <unruh@xxxxxxxxxxxxxx> >>>>>>>> wrote: >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> On Fri, 3 May 2013, Clemens Ladisch wrote: >>>>>>>>> >>>>>>>>>> Joe Armstrong wrote: >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> This is what I did: >>>>>>>>>>> >>>>>>>>>>>> sudo adduer joe audio >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> What is adduer? If that is supposed to be adduser, that creates a >>>>>>>>> new >>>>>>>>> user >>>>>>>>> with that name. Just edit /etc/group and put the user name into >>>>>>>>> the >>>>>>>>> audio >>>>>>>>> group line. Or >>>>>>>>> check it now to see if it has been done. >>>>>>>>> >>>>>>>> >>>>>>> >>>>>>> -- >>>>>>> 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/ >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> -- >>>>> 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/ >>>> >>>> >>>> >>> >>> -- >>> 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/ >> >> > > -- > 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/ ------------------------------------------------------------------------------ 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. 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