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Old 10-13-2019, 10:09 PM   #1
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Default Need Help With Focusrite Solo Solo 2nd Gen Interface In Reaper Linux

Hello there Linux family,

I just bought a Reaper license today since I've been using Reaper forever, and have recently installed Debian on my old gaming / audio computer.

I have Debian running with Awesome Window manager, and have been loving it.

The only issue is that after installing Reaper with the included .sh script, and then running it, I was greeted with a message, "Error opening devices", There was an error opening the audio hardware.

I tried digging in previous posts on this forum, and the OP in this thread said he had to use "ALSA" to get his audio to work for this interface to have priority over pulseaudio:

With this in mind, can anyone lend a totally idiot beginner like myself a hand in terms of just linking to the right direction of what to do in a case like mine, as I would like to first be able to use my audio interface, and then also add what's called "JACK" and then "Carla" for VSTs later on.

I just got an Arturia MIDI keyboard that I'm excited to try out the related Arturia V collection synths in Reaper Linux with, but am stumbling on the beginning steps of getting the audio interface to work.

I'm not scared of any terminal usage or anything like that as I do some web dev stuff on the side and prefer using Linux, but I'm super new to the audio side of Linux. I'm used to the interface just being recognized from the get-go in Reaper for Windows, so I'm not sure what to do.

Thanks a ton, and hope everyone is doing well!


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Old 10-13-2019, 10:36 PM   #2
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I used to have a pair of M-Audio Delta 2496 cards and never could make everything work using ALSA, so back then I used JACK with qJackCtrl to configure it. Since then I've switched to an external Behringer UMC1820 USB audio interface and ALSA works with it and it's midi with hardly and setup.
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Last edited by Glennbo; 10-14-2019 at 05:35 AM.
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Old 10-14-2019, 11:43 PM   #3
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I use a Scarlett 2i2 2nd gen with ALSA or JACK without issue on Debian Buster or LibraZiK distros. Maybe a kernel issue from your side or specific audio configuration... My advice is to use an audio-oriented distro (AV Linux, LibraZiK or Io.gnu.linux if you want to stay on Debian) or add KX Studio repos to your system.
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Old 10-17-2019, 07:37 PM   #4
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Well, I would have liked it a bit if you guys lent me a hand since it was a bit hard, but I made do and found a related guide on how to do it on YouTube with Carla, and also found a related forum post regarding how to install Arturia Collection software with WINE, link here: https://forum.arturia.com/index.php?topic=93137.0

That being said, I still need help so can anyone please help me with Carla in Reaper.

Here's what I currently have under Preferences > VST plug-in paths:


I recently installed the Arturia collection synths successfully, so they're present in the win64VST folder as I see their .dll files present.

The issue is that when I load a new track, select FX, and search, I don't see Carla anywhere even after I clicked "Rescan" in Preferences.

Any idea if my path to Carla is wrong?

The output of whereis carla is:

/usr/bin/carla /usr/lib/carla /usr/include/carla /usr/share/carla
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Old 10-17-2019, 08:27 PM   #5
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So as an update I finally got Carla to be recognized as it was present in the usr/lib/vst folder.

The current issue is even after I load a track with Carla rack, and go into settings and set the Experimental Features on in order to include Plugin Bridges, I'm only seeing the following drop down menu options for paths:


What am I missing in order to also include the heavily desirable VST plugin format?
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Old 10-17-2019, 09:02 PM   #6
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Also I went through and made sure each of the following were installed:


Still no "VST" dropdown present .

I also have all the Experimental settings turned on too if that helps.
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