Nicholas McCurdy <[email protected]> wrote:

>
> >>On 03/20/2013 03:18 PM, Sven Bartscher wrote:
> >> I installed mpg123 and alsa-lib now i want to hear music and type the
> >> command:
> >> $ mpg123 <some cool tune>.mp3
> >> i get the following error:
> >> [module.c:142] error: Failed to open module alsa: file not found
> >> [module.c:142] error: Failed to open module oss: file not found
> >> [audio.c:180] error: Unable to find a working output module in this
> >> list: alsa,oss
> >> [audio.c:532] error: Failed to open audio output module
> >> [mpg123.c:897] error: Failed to initialize output, goodbye.
> >> i already googled for this problem and found a lot of people who had the
> >> same problem, but the solutions never worked for me.
> >> So i already tried:
> >> do the same command as root
> >> export LD_LIBRARY_PATH=/usr/lib:/usr/lib/mpg123 (maybe on this solution
> >> i did something wrong)
> >> i experimented a little bit on my own and tried to compile it with the
> >> option --with-module-suffix=.so but i get the same error.
> >> i hope someone can help me
> >> with hopefull regards
> >> Sven
> >>
>
> >You don't need LD_LIBRARY_PATH set to /usr/lib/mpg123 ... If you remove 
> >.la files, then --with-module-suffix=.so should suffice, given that 
> >/usr/lib/mpg123/output_alsa.so exists. Also, be sure to remove old 
> >versions of library if you are upgrading.
>
> Have you successfully output audio via ALSA before with this system?
> If you have already done so, please disregard this message: I cannot claim 
> enough knowledge of mpg123 to assist...
>
>
> BUT, If this is a first-time setup and you have not yet successfully had 
> sound working, try this approach:
> It looks like ALSA doesn't understand your sound card.
> command: cat /proc/asound/cards
> That will show you the detected specs of your sound card if it's being 
> detected properly
> command: aplay -l       (that's a lowercase L)
> That will show you if ALSA has a clue what's going on...  the following 
> paragraph assumes ALSA doesn't get it.
>
>
> If the response includes: "file not found" then check your kernel 
> configuration for how you selected the the firmware for your sound card (of 
> course, if it's missing be sure to enable it).  If you originally chose to 
> set up your sound firmware as a module but didn't create the soundcore.ko 
> module, you must change the selection for the sound sub-system (one tree 
> level above ALSA/OSS in menuconfig) to "yes: module" instead of "yes: 
> built-in" and recompile.  Among others, this change will yield the module 
> soundcore.ko and will satisfy the kernel help note that details successful 
> use of the soundcard modules.
>
>
> If ALSA still cannot see the sound card following a reboot, you might need to 
> recompile ALSA now that your kernel understands what modules it's working 
> with.
>
>
>
>
> Nicholas McCurdy
> [email protected]
>
>
I tried aplay -l (because i never heard sound from that system) and got an 
error that the command "aplay" wasn't found. Do i miss some package that's 
wasn't listed as a depencie of mpg123?
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