On 02/19/2016 10:14 PM, Ralf Mardorf wrote: > Hi Robin, > Errors/Messages: > ERROR: AlsaAudioBackend: failed to allocate parameters. > ERROR: AlsaAudioBackend: failed to allocate parameters. > ERROR: AlsaAudioBackend: failed to allocate parameters. Well that explains why it it won't, but not the reason behind it. What soundcard and settings did you configure? > [3] > ### **** #### **** ### **** #### **** ### **** #### **** ### **** #### **** ### **** #### > Card 0 (HDSPMx579bcc): > * Playback Device 0 (RME AIO): > - Subdevice 0 (hw:HDSPMx579bcc,0,0): > used by: jackd (PID 7171) > access: MMAP_NONINTERLEAVED > format: S32_LE > subformat: STD > channels: 16 > rate: 44100 (44100/1) > period_size: 1024 > buffer_size: 16384 Wait. what? 16K buffers. > creating alsa driver ... hw:HDSPMx579bcc,0|hw:HDSPMx579bcc,0|1024|2|44100|0|0|nomon|swmeter|-|32bit > configuring for 44100Hz, period = 1024 frames (23.2 ms), buffer = 2 periods > ALSA: final selected sample format for capture: 32bit integer little-endian > ALSA: use 16 periods for capture > ALSA: final selected sample format for playback: 32bit integer little-endian > ALSA: use 16 periods for playback WTH? 16 periods. Does jackd start with 2 or 3 periods on that given interface? Ardour's ALSA backend won't allow 16 periods (in case that's required by this particular soundcard/kernel) 2,3 are the only options. best, robin _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
