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Synchron Pianos crashing constantly on macOS
Last post Mon, Jan 04 2021 by Andreas8420, 27 replies.
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Posted on Sun, Jan 03 2021 13:30
by Alkan
Joined on Mon, Aug 17 2015, Posts 26

Synchron crashed this time the moment I loaded it and pressed a MIDI key. Kawai VPC -> Saffire 18i8 (1st gen.) via standard MIDI cable (not USB). Turned on VPC this time after loading Synchron.

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Posted on Sun, Jan 03 2021 17:05
by Alkan
Joined on Mon, Aug 17 2015, Posts 26

Another crash upon pressing a MIDI key. It had just worked a moment ago.

Alkan attached the following image(s):
ScreenU0020ShotU00202021-01-03U0020atU00206.04.50U0020PM.jpg (76kb) downloaded 0 time(s).

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Posted on Sun, Jan 03 2021 17:21
by Alkan
Joined on Mon, Aug 17 2015, Posts 26

After an apparent MIDI glitch, I powered the Scarlett 18i8 off and back on. Synchron no longer recognized the MIDI device (VPC1), even though the 18i8 to which it is connected was still shown in Synchron settings. Something about this process triggered another crash.

Alkan attached the following image(s):
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Posted on Sun, Jan 03 2021 17:42
by Alkan
Joined on Mon, Aug 17 2015, Posts 26

Pressed a MIDI key. This time I tried plugging the VPC1 directly into the iMac via USB.

Alkan attached the following image(s):
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Posted on Sun, Jan 03 2021 21:19
by Alkan
Joined on Mon, Aug 17 2015, Posts 26

Looks like I might have found the culprit! It might be an issue with the Focusrite Saffire's MIDI in (via standard MIDI cable). Mine is a 1st-generation 18i8. Maybe it goes into a power saving mode and causes a problem with Synchron on wake? This wouldn't explain every case, though, since often it crashes at random while playing Synchron.

In any case, I've now connected the Kawai VPC1 directly to the iMac using USB. The Mac has gone into sleep mode and woken up, yet Synchron so far has not crashed with this setup.

The only downside with this setup is that it costs me a USB port, but I can live with that small limitation if it means Synchron won't crash all the time.

It would still be helpful for VSL to look at this case, and I'd be grateful for any relevant info. I can keep you posted if the software crashes with this setup, but so far, so good.

Posted on Mon, Jan 04 2021 12:26
by Alkan
Joined on Mon, Aug 17 2015, Posts 26

Good news: So far, so good. It does appear that the Saffire interface (at least my 1st-generation 18i8 model, connected to the controller via standard MIDI cable) must be the cause of the frequent crashes.

Since last evening I've had the VPC1 controller connected directly to the iMac via USB. So far there haven't been any crashes since switching to this setup. Even the usual triggers such as putting the Mac into sleep mode, or turning the controller keyboard off and back on, haven't caused a crash so far.

I'd still like to know whether the hundreds of crash reports sent over the past few months were received by VSL, as this would be important for debugging any future issues. Can anyone confirm?

Posted on Mon, Jan 04 2021 12:27
by Andreas8420
Joined on Mon, Dec 02 2019, Vienna, Posts 25

Continued via Email Support!

@Alkan: I updated your email case. Best regards, Andreas

Technical Support - Vienna Symphonic Library
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