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Whenever I try to play Trine, it starts but I get no sound. In the terminal this error message appears:

/o/g/trine> ./trine-launcher64 
ALSA lib conf.c:3314:(snd_config_hooks_call) Cannot open shared library libasound_module_conf_pulse.so
ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM default

I have libasound2-plugins installed, which contains libasound_module_conf_pulse.so, how can I get Trine to recognize it?

I tried starting the 32-Bit version with linux32 as well, it crashes.

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See also this question: askubuntu.com/questions/142956/… –  rakete Jun 2 '12 at 11:27
    
I can just preload it to make the error message go away, but sound still does not work: env LD_PRELOAD=/usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_conf_pulse.so ./trine-bin64 –  rakete Jun 2 '12 at 11:32

2 Answers 2

I run raring 64 bit and solved this issue (no sound) by switching to surroundsound 5.1 as described here https://help.ubuntu.com/community/SurroundSound

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Welcome to Ask Ubuntu! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. –  Basharat Sialvi May 8 '13 at 8:21
up vote 1 down vote accepted

Preloading did solve my problem:

env LD_PRELOAD=/usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_conf_pulse.so  ./trine-launcher

but alsa then played back using the wrong soundcard. Messing around in the sound settings fixed that issue. I don't know why everything else played back fine even if I apparently had the wrong output selected in the sound settings?

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