Roon Arc sync fails to complete on remote device (ref#QMBFCM)

What’s happening?

· I'm having trouble with Roon ARC

What best describes your issue with ARC

· Other

How can we help?

· None of the above

Other options

· Other

Describe the issue

Initial Roon Arc sync never completes on remote device

Describe your network setup

Verizon FiOS router, Tailscale

How am I supposed to troubleshoot this? My iPhone (connected to wifi on the same network as the Roon Server) has spent 30+ minutes at “Syncing with Roon Server for the first time…”

This isn’t actually the first time it’s connected so that’s not accurate.

And there’s no progress bar or indicator so I have no idea if it’s 0% synched or 99%. I can’t tell if it’s progressing or if it’s stuck. There’s zero useful feedback to tell me anything while I sit here, poking my phone with my fingertip every 30 seconds, to keep it from going to sleep.

I see this issue comes up repeatedly in the Support forum but that it rarely has an answer – it’s far more likely, like Roon ARC stuck on syncing with large library on first attempt [Ticket in], that the support team promises to followup and…never does.

1 Like

Had this myself.
Arc seems to get stuck just on the synced message.
Kill the app and restart it and see how that looks.

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I’ll give that a try but that’s a truly disappointing UX.

So far, same behavior after restarting the app.

Let’s see what @support has to say then.

Good day @Neil_Carpenter !

We are sorry to see you have this problem.

At this moment we can see that your server is enrolled to the Early Access Program. Unfortunately, it has limited support options.

We would recommend you to switch back to the stable production build (

) and try again and then if problems come back please open a new ticket.

Thanks!

Regards.

Well, that’s a fun Catch 22 since I switched _to_early access because ARC wasn’t working AT ALL on the production build.

Hi, @Neil_Carpenter, we will review the diagnostics report from your machine.

In the meantime, could you please clarify, what do you mean exactly when saying that Roon ARC does not work at all on the production build? Do you have a support topic related to this problem on the production build?

Thanks!


Ivan

I didn’t open a support topic but I saw others with the same problem (illustrated here: Intermittent Disappearance of Audio Devices on Roon Server (ref#P7CVHA) - #42 by rolski) and a suggestion it was fixed in the Early Access build, which appears to be the case (at least for me – prod build, ARC reports not working with no external IP and blank diagnostics, EA build, the ARC settings page indicates success).

After restarting the Roon app a few times on the iPhone, it seem to have completed the sync for now. There was no indication of why it didn’t work or what resolved it and, obviously, I expect this will happen again in the future.

  1. How do I check the progress of initial sync to see if it’s stuck?
  2. What causes it to hang like this, requiring the app to be manually restarted?
  3. What is Roon’s plan to address this?

Ok, understood, thank you for the response.

  1. Unfortunately, there is no way to check the progress. We have a task open for the product team to think about improvements in this area
  2. There is no clear answer to this one, sorry. We have investigated cases like this with relatively large libraries and it looks like there is a race condition which is hard to reproduce.
  3. Same here, sorry. On QA team’s behalf I can say that we are trying to make this reproducible for the dev team but in the meantime we are also gathering info from reports like yours, hoping that they might bring some clarity.

Apologies for the trouble.


Ivan

So, at this time, this is broken, Roon doesn’t know why, and there’s no clear progress on a resolution. I should expect this to happen again.

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