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canac
Trending Lyricist I
February 11, 2022
Answered

S2 app wakes up my sleeping PC

  • February 11, 2022
  • 18 replies
  • 419 views

Can someone explain to me the logic behind the annoying “feature” S2 app has that wakes up my PC every time a new piece of music starts playing?
I explain. I have S2 running on my PC. I select a station I want to play. Then I put my PC to sleep (so it turns my computer and the monitors off so it doesn’t use energy) and go downstairs to do my stuff or to stay with my friends. The music plays and the moment a new song comes on, my computers comes out of sleep mode and is “ready” for something. 

I was told once by support guy that this is so in case you want to change the music, it’s already there. Why on Earth I want this to be ready if I’m downstairs (or far away) from the machine? Do they know that people can do the same from their phone app?

It’s just plain stupid and a waste of energy. My PC has some LED lights so I can’t use it when I want to have a relaxing nap. I have to make sure that I shutdown the app first before putting my PC to sleep.

So annoying.

Anyone has the same problem?

 

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Best answer by ratty

Disable Wake-On-LAN on that adapter. 

18 replies

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canacAuthor
Trending Lyricist I
February 12, 2022

I think you got me wrong. I said that I set to allow ONLY a magic packet to wake the computer knowing that I most likely won’t have anything currently configured to do such thing and therefore I’m safe. I don’t have and don’t expect any magic packets. 

But, if it happens (for some reason), I can disable that option altogether in the ‘Advanced’ tab.

I only have ‘Sonos Connect’ streamer btw.

canacAuthor
Trending Lyricist I
February 12, 2022

The PC was evidently set to wake on ANY directed packet. With the controller still subscribed, the system would have been sending periodic event notifications. 

That was the case I’m pretty sure.

As to ‘periodic event notifications’, they were not periodic in a sense of either random or with a constant interval. They were exactly at the end (or at the beginning) of each music piece. And it was not because there was a sound/signal gap between them. Sometimes the music is mixed together that only human ear could distinguish that this is a new piece and yet, the PC would wake up at that very moment.

Probably you know it, from the technical point of view, but it looks like each of these segments must be coded somehow to trigger this wakeup event.

I should’ve probably added that I started having this issues right after I switched my PCs. I had Win7 before and this one was Win10 and now is Win11. But I don’t think this has anything to do with it.

ratty
ratty
February 12, 2022

A track change would obviously trigger an event notification to any subscribed controllers. 

    controlav
    controlav
    Lead Maestro
    February 13, 2022

    A track change would obviously trigger an event notification to any subscribed controllers. 

    Yes, but surely when the PC sleeps, the Sonos app unsubscribes from all UPnP events? My apps do.

    Author of the leading independent Sonos apps for Android, MacOS, iOS, Windows and Xbox.
    ratty
    ratty
    February 13, 2022

    A track change would obviously trigger an event notification to any subscribed controllers. 

    Yes, but surely when the PC sleeps, the Sonos app unsubscribes from all UPnP events? My apps do.

    When the Sonos controller closes it should unsubscribe. It quite possibly doesn’t detect the power messages and do so if the PC suspends with the controller open. In that case it would presumably be down to the system to time out the subscriptions eventually.

      JohnG666
      Enthusiast II
      February 18, 2022

      I had to remove Sonos Playlists and remember to delete the queue when finished listening otherwise the  Sonos app causes my NAS drive to spin up every time you go on the My Sonos tab. 

      There was no way to exclude the Sonos playlists from appearing on the tab so I just had to delete them. It’s been like this for ages and I’ve learned to get around the issue myself. 

      Basically evert time I was on the My Sonos tab, the NAS drive was accessed because I had playlists on there so I assume it was fetching the album art or something like that.

       

      Stanley_4
      Stanley_4
      Grand Maestro
      February 18, 2022

      I avoided the spin-up issue by moving my music to an SSD drive that was salvaged from a system that was being replaced. Silent, low power and not aggravating.

        JohnG666
        Enthusiast II
        February 18, 2022

        That’s not avoiding the spin-up issue, it’s just silencing it :)

        My problem wasn’t with the noise, it was with the fact that my hard drive was being constantly accessed when not necessary.

         

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