Lost surround and sub ( after update ?)



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Userlevel 6
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just had it happen again. I’m convinced this is not network related 

Userlevel 4
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Update on dropped packets, channels, and voice assistant:

I started watching for dropped packets while my kids were watching 5.1 content on Disney plus on Apple TV.

-no dropped packets for half an hour of watching

-without interrupting content playing, I plugged in and powered on my second Apple TV in the background without switching inputs to it. I’ve mainly experienced dropouts when a second source is connected. With just my main Apple TV, I don’t get dropouts. 

-experienced 4 dropped packets (on Arc only, none on HT satellites) during power on. Then nothing for a bit. Experienced 16 dropped packets approximately coinciding with second Apple TV going to sleep

-powered on second Apple TV again and let it go to sleep on its own. No additional dropped packets.


-bounced around content and eventually Netflix Auto play trailers and caused a dropout. No additional packets dropped. 
 

I had enabled Sonos voice assistant last week and finally got around to doing a full power cycle of all devices 2 or 3 days ago. This was my first dropout since. 

I started at 1034 dropped packets on Arc, 0 on HT satellites. I ended at 1058 dropped packets on Arc, 0 on satellites. 

Arc started and ended on “operating on channel 2437”. No change before and after dropout. HT Satellites started and ended on “operating on channel 5240”. No change before and after dropout. 

I don’t feel I can add much weight to any of the recent  theories unfortunately - voice assistant, dropped packets, or operating on channel. 

The one constant for me that has been reinforced again is I don’t get dropouts with only one source connected. Shortly after connecting a second source, I’m likely to get a dropout. 
 

Userlevel 1

Certainly not as technical as the other updates that have been recently posted but I wanted to give an update on my basic testing.  As mentioned in a post a few pages back, I had turned of eARC on my system and it was actually quite stable just using ARC.  I would only drop the surrounds and subs when using the Xbox.  I tried turning eARC back on yesterday and had a drop with just the TV cable box signal within five minutes of just changing the channels around.

Today I got a chance to mess around with the TV some more and tried enabling the Sonos Voice Control on the Arc only.  Son of a b&tch if the thing hasn’t been rock solid for the past six hours.  I re-enabled eARC and have played music from the app, watched tv from the cable box, played videos on Apple TV that were Atmos and 5.1 and even had the Xbox One work.  I’m not ready to declare victory yet but this is by far the most stable my system has been since 14.6 came out.  Not a single dropout.  I have an LG C1 tv, Nest Mesh wifi and the AT&T wifi box as well which is needed for our upstairs tv that has a wifi box.  My sub is a Gen 2 and I use two Play 1s for surrounds.  I had tried almost every other fix listed in this thread over the past month or so with so sustainable luck but for some reason the enabling of Sonos Voice Control has brought the most success so far.  We’ll see if it holds up but I’m swapping things around like mad that have caused it to break consistently in the past and it’s still hanging in there.  I know this is not much comfort to those with the Arc SL and to those who have tried this and didn’t have the same kind of luck.  Believe me, I know how you’re feeling.  Hoping this holds out and I’m hoping that it may give some insight to the developers that some people are having luck with this simple fix.  We shouldn’t HAVE to enable voice control to get our systems to work but, for me, it seems to be a fix that worked.

Userlevel 4
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Achieved 40471 drops and system is constantly dropping, every 5 minutes or so. I suppose there is a threshold value capped to the number of errors an interface can handle following which it drops connections to not cause further damage to the equipment(theory). I suppose Sonos engineering needs to focus on why these packets are dropping across all affected customers. I can certainly tell that the counter resets to 0 following a reboot which explains why a reboot resolves the problem temporarily.

I really like this idea and line of troubleshooting. I’ve started watching for dropped packets while I’m watching content or doing other things (switching inputs, connecting devices, etc.). I will certainly share if I see any patterns emerge. 

Edit: so far just a slow accumulation of dropped packets on the arc, nothing on the satellites

Userlevel 4
Badge +4

Achieved 40471 drops and system is constantly dropping, every 5 minutes or so. I suppose there is a threshold value capped to the number of errors an interface can handle following which it drops connections to not cause further damage to the equipment(theory). I suppose Sonos engineering needs to focus on why these packets are dropping across all affected customers. I can certainly tell that the counter resets to 0 following a reboot which explains why a reboot resolves the problem temporarily.

I really like this idea and line of troubleshooting. I’ve started watching for dropped packets while I’m watching content or doing other things (switching inputs, connecting devices, etc.). I will certainly share if I see any patterns emerge. 

Userlevel 4
Badge +3

Quote from someone on Facebook with the issue;

 

“I’ve had this problem since the 14.6 update now iam on 14.8.1 and still the same . Apparently sonos said they can remotely downgrade the software they doing it for me going back to 14.4 or 14.5 to see if the problems go away I’ve been waiting 4 days though they don’t rush” … “they said you need a windows pc or laptop for them to remotely do it they told me this 4 days ago though and they’ve still not emailed me to sort it out yet but as soon as they do and it’s been downgraded I will definitely put a post on to let people know if it’s worked or not”

 

Controversial if correct! Maybe the agent got mixed up though and used the wrong terminology … as this seems totally against the grain of what’s been said here by other peoples Sonos support agents/engineers. Hopefully we will hear more …

@willhowe any updates from this person? Do you mind tagging along the link here?

Userlevel 6
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@Brad Porter do you have any network switches in your network? 

Userlevel 4
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Achieved 40471 drops and system is constantly dropping, every 5 minutes or so. I suppose there is a threshold value capped to the number of errors an interface can handle following which it drops connections to not cause further damage to the equipment(theory). I suppose Sonos engineering needs to focus on why these packets are dropping across all affected customers. I can certainly tell that the counter resets to 0 following a reboot which explains why a reboot resolves the problem temporarily.

Userlevel 5
Badge +6

I'm following along with you guys.....I have no idea WTF you are talking about, but you have my full support! GO GENTLEMEN!

Userlevel 4
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I have passed this onto Sonos Engineering as well and I hope you guys see it too. On the Sonos network review, I see a lot of dropped packages on br0 interface of each of my speakers including Arc, Sub and surrounds. This can be found in sbin/ifconfig section of each speaker. Restarting the device clears the counter and resets it to zero following which it starts building up and then eventually drops out. Can you guys also see a trend here? I have seen that when this count reaches several thousand dropped packets, the sun and surrounds drop out. 

 

same here 

 

This is interesting. Does anyone know if higher bitrate audio streams would build up dropped packets a lot quicker? Stands to reason for me

Userlevel 6
Badge +6

unchecking 5ghz in my orbi settings doesn’t seem to actually disable 5ghz. I’m tired

Userlevel 6
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I have passed this onto Sonos Engineering as well and I hope you guys see it too. On the Sonos network review, I see a lot of dropped packages on br0 interface of each of my speakers including Arc, Sub and surrounds. This can be found in sbin/ifconfig section of each speaker. Restarting the device clears the counter and resets it to zero following which it starts building up and then eventually drops out. Can you guys also see a trend here? I have seen that when this count reaches several thousand dropped packets, the sun and surrounds drop out. 

 

same here 

 

Userlevel 6
Badge +7

I’m going to go nuclear and completely disable 5ghz on my router and see if it has any affect

I guess that would be a good test @peterbault 

The other thing I noted (that when both you and I had a rear/sub drop) was that the channel it moved us to was a DFS channel. That might be nothing, but DFS does mean that each unit needs to have Dynamic Frequency Selection enabled. 

Userlevel 4
Badge +3

I have passed this onto Sonos Engineering as well and I hope you guys see it too. On the Sonos network review, I see a lot of dropped packages on br0 interface of each of my speakers including Arc, Sub and surrounds. This can be found in sbin/ifconfig section of each speaker. Restarting the device clears the counter and resets it to zero following which it starts building up and then eventually drops out. Can you guys also see a trend here? I have seen that when this count reaches several thousand dropped packets, the sun and surrounds drop out. 

 

Userlevel 6
Badge +6

I’m going to go nuclear and completely disable 5ghz on my router and see if it has any affect

Userlevel 6
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I just experienced the issue for the first time on my office setup with my LG CX. I checked and the channels did change but they match between the arc and other speakers 

That is very bad news. Sorry to hear that for sure. 

However, you did witness a channel change? Are you fairly confident the channel change correlates with the sound drops. 

channel was 5825 (i can’t be sure there wasn’t an issue at this point). after i noticed the issue I checked again and the channel was 5320. same for the Arc and all speakers in that system

Userlevel 6
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Also, did you note what channel it moved from and to?

Userlevel 6
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I just experienced the issue for the first time on my office setup with my LG CX. I checked and the channels did change but they match between the arc and other speakers 

That is very bad news. Sorry to hear that for sure. 

However, you did witness a channel change? Are you fairly confident the channel change correlates with the sound drops?

Userlevel 6
Badge +6

my office setup is using 5ghz channel 5825 (165) hmm 

Why do you think that is a problem @peterbault?

Also, is your systems showing your HT rears and subs as being in which one of the below? (When you compare your two systems)

Mode: INFRA (sonosnet)
Mode: INFRA (satellite)

Didn’t think it was a problem just interesting it picked such a high channel. Yes my speakers show the same as you 

Userlevel 6
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I just experienced the issue for the first time on my office setup with my LG CX. I checked and the channels did change but they match between the arc and other speakers 

Userlevel 6
Badge +7

my office setup is using 5ghz channel 5825 (165) hmm 

Why do you think that is a problem @peterbault?

Also, is your systems showing your HT rears and subs as being in which one of the below? (When you compare your two systems)

Mode: INFRA (sonosnet)
Mode: INFRA (satellite)
Userlevel 6
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my office setup is using 5ghz channel 5825 (165) hmm 

Userlevel 4
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Like @peterbault, I’ve also *fingers crossed* haven’t really had any issues since installing the Sonos Voice Control.  It’s been fairly stable since installing 14.8, to be honest.  I think I had maybe one or two dropouts after 14.8 (and a lot during 14.6), but it’s all been good since.  

Since enabling SVC, I started experiencing lagging and have just removed it again. Don’t know what the solution to the problem is.

Userlevel 6
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Channel breakage on the 5ghz ad hoc network but still connected via 2.4ghz on the operating channel would explain why the speakers still appear connected any the app after breaking 

Userlevel 6
Badge +7

Hang on, why is my ARC showing:

Mode: INFRA (sonosnet)

And my other speakers in my HT setup showing:

Mode: INFRA (satellite)

From a post by @ratty on another thread, he explained that INFRA was standard wireless. So why when I have a Boost and SonosNet is the HT showing as INFRA?