On 12/19/2016 07:29 PM, Mac wrote: > I have 3 different PC's (one desktop, two laptops) running Ubuntustudio > 16.04. > > On the desktop I rarely do any capture. It uses jack/ffado/zita-lrx to > output to a AF12 as a tri-amped playback system. No issues, just works. > > On the older laptop (Dell XPS1530) I routinely switch between the on-board > sound and up to 32in/8out from/to an X32 via USB. Sometimes setup to input > from the X32 and output to onboard sound. All configs with jack, again, no > issues, just works. > > On my newer laptop (System76 coreI7) I can use the onboard sound with, for > example, Clementine set to output to alsa or pulse and it works fine. If I > attempt to use Ardour at the same time with it's own alsa the combined > output (if Ardour and Clem are playing) audio is distorted. Separately fine. > If I attempt to use jack, for example use qjackctl to start jack. Qjack > just hangs. To stop it I jhave to use kill -9. If I then start qjack, it > shows the I/O connections (pulse source/sink and capture/send). But if I > send audio to it from Ardour (to jack) or Clementine (jack or pulse) the > audio sounds like it's in slow motion. If I plug in the usb from the X32, > start qjackctl, set the I/O device to the X32 usb, viola, works just fine > for only the I/O ports exposed by the X32 USB. Any attempt to use mixed I/O > (as described for the Dell above) results in qjack and jackdbus hung and > only kill -9 will stop them. > > I don't HAVE to have this work, but it is nice to be able to plug > headphones into the PC to monitor whats coming into Ardour from the > X32...but, I'm wondering if I'm missing something simple, or this is just > the way this particular combo of hardware is going to work. > > Trouble shooting suggestions? Or, just leave it as an unsolved mystery? ;) > > Regards, > Mac > > > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/listinfo/linux-audio-user For these integrated intel/realtek things in Lenovo/Dell Laptops, I noticed, that jack hangs on full duplex when your internal microphone is disabled in your BIOS/UEFI configuration. Maybe that is the cause here. Greetings Markus _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
