On Tue, Jan 31, 2017 at 06:18:48PM +0100, Jörg Müller wrote: > I applied the patch to my system and it fixed the error! > > However, I get the following error which seems to be caused by a code > not being able to handle more than 256 channels: > > wfs@wfs16:~$ jackd -R -d alsa -C madifx_record_all -P madifx_playback_all > > jackdmp 1.9.10 > > Copyright 2001-2005 Paul Davis and others. > > Copyright 2004-2014 Grame. > > jackdmp comes with ABSOLUTELY NO WARRANTY > > This is free software, and you are welcome to redistribute it > > under certain conditions; see the file COPYING for details > > no message buffer overruns > > no message buffer overruns > > no message buffer overruns > > JACK server starting in realtime mode with priority 10 > > self-connect-mode is "Don't restrict self connect requests" > > audio_reservation_init > > Acquire audio card Audio0 > > creating alsa driver ... madifx_playback_all|madifx_record_all|1024|2|48000|0|0|nomon|swmeter|-|32bit > > configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods > > ALSA: final selected sample format for capture: 32bit float little-endian > > ALSA: use 8 periods for capture > > ALSA: final selected sample format for playback: 32bit float little-endian > > ALSA: use 8 periods for playback > > jackd: ../linux/alsa/JackAlsaDriver.cpp:122: virtual int Jack::JackAlsaDriver::Attach(): Assertion `fCaptureChannels < 256' failed. > > Aborted (core dumped) > > What could be the problem here? jackd only allows 256 ports maximum by default. Try using -p option to increase it, eg. to 512: jackd -R -p512 -d alsa....etc BTW you don't need to specify -R on recent jackd versions as it's realtime by default (use -r if you don't want realtime). John _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
