Old 12-24-2020, 09:15 PM   #1
A Little Man and a House
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Default Crashes from new Presonus Audiobox USB96

I'm having full application crashes since introducing this new audio interface, Presonus Audiobox USB96 "anniversary edition". I'm using v6.19, but I only updated today to see if it fixed anything, before was running what ever version was from a month or two ago (so can probably rule out a recent regression).

The projects are incredibly simple, 2 tracks with some instances of Reaverb and ReaEQ. They contain record armed tracks and some stuff I recorded but the crashing started after the recording was done.

Is it possible my new audio interface is a dud? I've always known Reaper to be rock solid.

The crashing happens fast and usually when I've got the FX list open and I'm clicking around. If it's the interface, is there anything I can do within Reaper to prove that's the source, to arm myself with before I go and try to get a refund?

It stutters for half a second then crashes to desktop with no message.

Windows 10,Reaper x64, 6.19
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Old 12-25-2020, 08:30 AM   #2
valy
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Could it be a sample-rate mismatch between the interface and REAPER?

What happens if you tick the "Request sample rate" box in Preferences > Audio > Device?
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Old 01-11-2021, 06:43 PM   #3
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Sorry, I've been super busy but as of today this is still an issue.

Ticking request sample rate and entering the Presonus default, 48000, no effect.

Before change: simple project, 6 audio tracks, no vsts, add Reaverb and skip around timeline for a while, normal playback for a little bit and then audio stutter, crash to desktop without error message. Can usually reproduce in less than a minute

After change: same results.

I went to the music store last week and I can already tell I'm going to get a lot of push back from them... But this new audio interface is the only changed variable, previously my setup was rock solid with much more intensive projects (and frankly my old audio interface was quite dodgy and old).

Any further advice appreciated, including the best way to distinguish a software error from a hardware one, in case I need to return this unit.

Update: the Reaverb was a red herring. I can reproduce with zero VSTs in project. Also, the playback before the fatal crash happens is completely normal, it doesn't have that distorted sound of a sample rate mismatch

Update 2: I'm going some stress tests in FL Studio and I can't get that to crash (unusual, heh), so I'm starting to think it's more likely to be a Reaper issue...

Last edited by A Little Man and a House; 01-11-2021 at 07:04 PM.
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Old 01-13-2021, 11:03 PM   #4
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EDIT: This post was originally a giant Event Viewer log. But I followed up on some of the clues and it looks like its all caused by reaper_dopp.dll aka fxlist extension, which is no longer being supported. Removing it seems to have fixed my problems. I guess the audio interface was just a giant coincidence... if I hadn't been so hung up on it being that interface, I would have checked for running scripts earlier

Last edited by A Little Man and a House; 01-13-2021 at 11:42 PM.
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