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acreed11
Participant
February 11, 2024
Solved

(Not Resolved) Known Issue - Quest PCVR streaming micro lags and stutter esp. when moving head

Hi team,

I'm getting micro lags and stutter in Airlink on my Quest 3 (EU/UK), esp. when moving my head. In the Oculus debug overlay this causes brief spikes in transmit/decode, fps drops and visible stuttering. The issue is not present on my Quest Pro with otherwise identical settings - see below screenshots to illustrate.

Few more details:
- Issue is not present on Quest Pro with same settings on HMD, router and PC (using same res)
- Issue is worse at higher bitrates, esp. >200mbps, but still present <200mbps
- Issue is unrelated to PC/game latencies (CPU, GPU, Queue each <5ms)
- Stutters/lags are intermittent (every 10-20 seconds) when not moving but happen immediately and reproducibly when moving the head to either side or especially looking downwards (i.e. on any bigger headset movements)
- Wifi 6E router (TP Link AXE75 EU/UK)
- EDIT: exact same issue with Asus RT-AXE7800 (EU/UK) wifi 6e router
- Connection shows as 2,400mbps
- Airlink codec H264 (but same on other codecs)
- I've attempted factory resetting, installing latest drivers
- Updated to v62 and latest Quest Link desktop version (I can see the 120hz option for my Q3)
- EDIT: Ordered a separate Quest 3 for testing: presents the exact same issue

-EDIT: Same issue on 5ghz 802.11ax 160mhz BUT switching to 802.11ac (!) completely fixed the issue. I cant test this on 6ghz but looks like 802.11ax or something related to how q3 implements it is the culprit

As the issue is worse the higher the bitrate and not present on Q Pro with otherwise same settings, I suspect it's related to the below known Wifi issues - but opening a new thread as instructed. 
https://communityforums.atmeta.com/t5/Get-Help/Known-Isssue-Unstable-wifi-coverage-with-Quest-3-on-some-Router/td-p/1090698

Best,
JensQ3QPro

Updates:
- Tried separate router: exact same issue with Asus RT-AXE7800 wifi 6e router
- Ordered a separate Quest 3: exact same issue on both routers

-Same issue on 5ghz 802.11ax 160mhz BUT switching to 802.11ac (!) completely fixed the issue. I cant test this on 6ghz but looks like 802.11ax or something related to how q3 implements it is the culprit

    TheAntiSocializer
    TheAntiSocializerAnswer
    Honored Contributor
    February 25, 2024

    Hey everyone! Thank you so much for the information you've all provided.

    If you have not already done so already, I would suggest reaching out to the support team via email so that they can gather a copy of your logs.

    If you have already reached out to support and provided your logs, please PM MetaStoreHelp with your case number.

    EDIT 8/5: Hey everyone! Just wanted to reach out and thank you all for your continued patience. If you're still having some issues, the best thing I can recommend at the time would be to submit a bug report. That way it can go straight to our engineers for them to further review everything provided. Thanks again!

    Sometimes it's okay to be a little Bing Chilling
    View in thread

    442 replies

    Show previous replies
    revanmj
    Participant
    March 14, 2024
    1. What's the full version number of your headset? (62.0.0.####### or likewise)
      • 63.0.0.311.363.575916636
    2. What's the full version number of your PC app? (62.0.0.####### or likewise)
      • 63.0.0.216.361 (63.0.0.216.361)
    3. Is your PC app on PTC?
      YES
    4. Are you enrolled in Quest PTC?
      YES
    5. Any potential workarounds?
      Switching to 802.11AC mode seems to fix the issue.
    6. Which headset is everyone using?
      This is only happening on my 128GB Quest 3.  Was working fine on Quest 2 64 GB.
    7. Which router are you using?
      Xiaomi AX3600
    8. What protocol is your router?
      • 802.11AX
    9. What bitrate is your Air Link currently set to?
      1. 150
    10. What are your system specifications? Do they meet the Meta Quest Link requirements?
      Yes.  Here's my specs:
      Processor: AMD Ryzen 7 5700X
      RAM: 32GB
      GPU: GeForce 4070 Super

    Issue happens with all PCVR streaming solutions (Air Link, Steam Link and Virtual Desktop), all of them worked fine with the same router and network setup on Quest 2.

    Quest 3 PTC | AMD Ryzen 5700X, 32 GB RAM, GeForce 4070 Super, Windows 11 x64
      VanceHanson
      Participant
      March 15, 2024

      Well, while it may not be ideal, using 802.11ac for the most stable experience currently seems like a practical workaround. If future updates to the Quest 3 address the issue with 802.11ax, you might be able to switch back to Wi-Fi 6E for potentially higher performance.

      D3ft0ne
      Participant
      March 16, 2024

      Tbh, with having in mind that Dev knows - new version introduced the issue, and the amount of reports submitted... This should be fairly easy to isolate. I am guessing it's just a low priority on their list... Which it shouldn't be since it crippled wifi6e across the whole customer base. 

      Babinok
      Participant
      March 16, 2024

      Technical support simply ignores all the information I collected and the video recordings provided. Their answers are simply devoid of logic and meaning; they expect that the problem will be solved by itself and that I will close the case. One of the answers "quote":

       

      Здравствуйте, Виталий!

      Отвечаю от имени коллеги. Меня зовут Кадира из службы поддержки Meta Store . Надеюсь, у вас сегодня фантастический день.

      Насколько я понимаю, у вас возникают проблемы с битрейтом при использовании Airlink с гарнитурой Meta Quest 3 . Я прошу вас попытаться отключить автоматическую настройку битрейта и установить битрейт кодирования выше 200 Mbps.

      Перейдите по следующим ссылкам с информацией о текущей проблеме:https://www.reddit.com/r/OculusQuest/comments/190f4dg/quest_3_increasing_bitrate_makes_airlink_unusable/  и перейдите по следующей ссылке на форум сообщества, посвященной вашей проблеме:https://communityforums.atmeta.com/t5/Get-Help/Low-bitrate-on-quest-link-and-airlink/td-p/996366

      Следующая ссылка предоставит вам информацию о вашем NVIDIA RTX 3080:https://communityforums.atmeta.com/t5/Get-Help/NVIDIA-GeForce-RTX-3080-Ti-not-supported/td-p/872425

      Я хотел бы сообщить вам, что игровой ноутбук Asus TUF B550-Plus не будет совместим с Meta Quest 3 с использованием airlink. Последнее обновление нашей ссылки и программного обеспечения airlink может повлиять на некоторые проблемы, связанные с использованием Airlink .

      Я бы посоветовал использовать соединительный кабель до следующего обновления, касающегося Airlink , если вы все еще сталкиваетесь с проблемами.

      Я действительно с нетерпением жду вашего ответа и обратной связи.

      Если есть что-то еще, с чем вам нужна помощь, или у вас есть другие вопросы к нам здесь, в службе поддержки Meta Store, пожалуйста, не стесняйтесь обращаться к нам, так как мы будем более чем рады помочь вам, Виталий.

      Всем отличного дня!!

      С уважением,

      Кадира
      Поддержка Meta Store
      thread::7LAH3dRPIP-vDkZHGKmjHWc::

      Babinok
      Participant
      March 16, 2024

      Tell me, can anyone repeat this test in their virtual environment of the meta quest itself? Do you experience stutters like mine?

      https://www.youtube.com/watch?v=-laYcjVEJcQ

      RelicUK
      Participant
      March 20, 2024

      Yes! This is exactly what mine is like! I have a RTX3070 and a TP-Link AXE5400 (AXE75) router connected to 6Ghz. It's VERY frustrating as it isn't consistent

        Galatoni
        Participant
        March 16, 2024

        The v63 update was taking ages so I opted into the public beta program to get it running and tested.

        I've only got the 5ghz band on my router setup and i'm literally staring at the router from where I used the quest 3. Problem is still very much present. Headset is essentially unusable for this purpose as anyone would get motion sickness trying to use it like this.

        Seriously! Wheres our help?!

        Babinok
        Participant
        March 16, 2024

        I also updated to firmware 63 today, but it didn’t make any changes. I’m just as upset as you that I haven’t been able to use my headset for 2 months since I bought it. Perhaps a new headset will be released soon, but I still can’t play on my old one. It seems to me that we are all dealing with a defective product and support is simply stalling for time so that we cannot make a return.

        Godsblink
        Participant
        March 16, 2024

        A firmware update introduced the issue and an update should be able to resolve it.  Plz make sure to post the requested info so the support team can dig into it!

        ncorns
        New Participant
        March 16, 2024

        I'm now getting the same problem. My games stutter randomly. It's difficult to measure, but i would say it stutters and drops around 5fps at least 4-5 times per beatsaber song (so around 3 minutes). It doesn't matter if i run the game at 90fps or 120fps, the drops are the same (120 drops to 115, 90 drops to 85).

        I upgraded to a  AXE5400 wifi 6e router yesterday. Started to get stuttering which wasn't an issue on my old 5ghz Unifi UAP. Tried absolutely everything i could research until i stumbled on this thread. I isolated the router and my PC to a separate network with the PC directly linked to the router so nothing in between could be questioned about wiring or other devices interfering. Made no difference.

        What made an impact was using same test as OP which was switching to 5ghz 802.11ac instead of ax (and avoiding 6ghz). This removed pretty much all of the stuttering i was experiencing. I repeated the test a few times by switching between 6ghz and 5ghz on the same router and the outcome was the same so it has to be in relation to this. The main difference is that i'm using Virtual Desktop but as you can see from below, the GPU and CPU are far from being stressed out. I've been running on this PC for months without issue. It all seems to have come about with a router upgrade and v62 - hard to tell if one, the other or both.

          Dailymak
          New Participant
          March 18, 2024

          Looking at the game, I can guess that this is probably a gun fighting game, one of my favorite games

          samuryan89
          New Participant
          March 18, 2024

          I was having several issues with wifi, such as random disconnects. I was also unable to play PCVR games over Virtual Desktop, or Air Link. I was using 5GHz in AX mode on an Asus GT-AX11000 Pro, and even went out and bought a new Wifi 6E router TP-Link AXE95/AXE7800 to see if that made any difference. I tried using 6GHz at that point and still had the issue. Did tons of googling and nothing worked. Found this thread and switched back to 5GHz and disabled AX and have it on AC, and now things seem to finally be working. Annoying, but glad to have what seems to be a smooth experience. Will do some more testing over the next couple days but hopefully that did the trick!

          Galatoni
          Participant
          March 18, 2024

          I only have the 5ghz and 2.4 available to my orbi. I cannot disable the 2.4 as it's used for devices that must stay connected. Would this be what's causing my problem? Or should is there a way to disable ax on the quest itself?

          Rolldabeatz
          Rolldabeatz
          Up and Coming
          March 18, 2024

          Try moving your head fast side to side, my Quest 3 just went crazy, although on quest 2 it is butter smooth, and I can`t believe it is not butter...

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