7 aug 2012 kl. 02:40 skrev Andre Schramm <andre.schramm@xxxxxxxxxxxxxxxx>: > Am Tue, 7 Aug 2012 00:11:37 +0200 > schrieb Anders Genell <anders.genell@xxxxxxxxx>: > >> >> Below are examples of the error I got from mplayer and OpenAL >> respectively. mplayer -ao alsa file.wav >> [AO_ALSA] alsa-lib: pcm_hw.c:326:(snd_pcm_hw_hw_params) >> SNDRV_PCM_IOCTL_HW_PARAMS failed (-16): Device or resource busy >> [AO_ALSA] Unable to set hw-parameters: Device or resource busy >> >> OpenAL (via chromium-bsu) >> AL lib: alsa.c:642: set params failed: Device or resource busy >> >> Any ideas? >> > Sounds like sth. is already using the device. Try: > > $ cat /proc/asound/cardX/pcm0p/sub0/status > > and check the result (replace X with the right card number). It should > report "closed", otherwise you will get the PID of the process that is > using it. > > > Regards, > Andre Thanks for the reply, but alas, it is closed: ~$ cat /proc/asound/card0/pcm0p/sub0/info card: 0 device: 0 subdevice: 0 stream: PLAYBACK id: RME Hammerfall HDSP 9652 name: RME Hammerfall HDSP 9652 subname: subdevice #0 class: 0 subclass: 0 subdevices_count: 1 subdevices_avail: 1 ~$ cat /proc/asound/card0/pcm0p/sub0/status closed Also, there is no problem with playback using e.g. aplay -D plughw so the card is not busy as such. When I do play something with aplay I get ~$ cat /proc/asound/card0/pcm0p/sub0/hw_params access: MMAP_NONINTERLEAVED format: S32_LE subformat: STD channels: 26 rate: 44100 (44100/1) period_size: 4096 buffer_size: 8192 ~$ cat /proc/asound/card0/pcm0p/sub0/status state: RUNNING owner_pid : 10171 trigger_time: 57406.852376233 tstamp : 57431.833201480 delay : 8192 avail : 0 avail_max : 4096 ----- hw_ptr : 1097728 appl_ptr : 1105920 Regards, Anders ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
