Lars Bjørndal wrote: > Hello, list! > Does anyone know the solution to my problem? > > Thank you! > > lars.bjorndal@xxxxxxxxxxxx (Lars Bjørndal) writes: > >> Hi! >> >> I'm running Fedora F7, without X. I'm able to do 'mplayer <url>' for >> one user at a time. However, I'm not able to do 'mplayer <url>' for >> one user, and then 'mplayer <another-url>' as another user. Then I get >> the following error message: >> >> [AO_ALSA] alsa-lib: pcm_dmix.c:831:(snd_pcm_dmix_open) unable to >> create IPC semaphore >> [AO_ALSA] Playback open error: Permission denied >> >> It's not important to me to play mplayer that way, however, I want to >> be able to run speech-dispathcer (which, BTW should have an rpm pacage >> for Fedora) and play mplayer at the same time. How could I solve this >> permission problem? >> >> I've tried to put in /etc/security/console.perms.d/50-default.perms: >> >> <console> 0666 <sound> 0600 root, >> >> and ls -al /dev/audio gives: >> >> crw-rw-rw-+ 1 lrs root 14, 4 2007-11-29 10:00 /dev/audio >> >> >> Lars > Dumb question - is the first user's mplayer closed before the second user tries to run their copy of mplayer? I am not familiar with the error message, but I am guessing that the problem is that something has a connection to the mixer open, and so you can not open another. If that is the case, you may be able to do something using the jack add-ons to alsa. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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