VSK

confirmed; this fixed it for me!

Maybe this fixes it??? Havent tested yet.

One thing i noticed is it isnt always perfect.. Like sometimes the value is between 7 and 8, and sometimes its close to 10.. It changes based on what is happening on screen.. Really need a real fix for this, constantly adjusting this by hand is really annoying and barely usable.

Also, it was 7 increments for me as well for 90hz on vive pro 1

i tried this, and the vsync to protons adjustment works!!!!!!

Translated: Good morning, I upgraded my RTX 3090 to a 4090 and I had significant lag and latency with my Vive Pro. I am a computer dealer and I tested several RTX 40xx cards with the same result. I identified ICue software from Corsair, Asus Aura and CoolerMaster Master+ as being responsible for the lags. For latency I followed this: I was able to remove latency by increasing the sync_photon by 7ms by pressing 7 times in SteamVR's Debug Command. This value can change according to your config. However, it must be done each time you start steamv. For jitters or stutters, close your monitor or RGB/ARGB services one by one via services.msc to see which ones are causing them and delete them. I hope that will help. Good game. Fred Blanchard (EvoPC)

Hey just wanted to provide an update since i have been experimenting with this alot: I was able to get this issue to happen with my vive pro >>>>1<<<< and 4090 now. Prior to this, i had always used the pro 2 wired and the pro 1 wireless... but when switching to pro 1 wired, the same stutters every 5 second and laggy tracking starts happening. The first time i loaded in with the pro 1, motion smoothing was on as well, and this made everything 10x worse.. After turning it off and then restarting steamvr, its back to the standard 5 second stutter and laggy tracking. But its rather interesting... the pro 1 doesn't have the same DSC limitations as the pro 2, so must be something else with the vive driver causing the issue for 4090? Also interesting that wireless doesnt have the issue.. I would wager that wireless also doesnt have the issue for pro 2 as well.. will need to try this next.

Index only at 144hz. 120hz works fine. Its dp1.2

whats weird though, is index users also report the issue @ 144hz index... 2880x1600 x 144hz x 8bit .. 19.91 Gbps ... index is on displayport 1.2 ... so 21.6Gbit limit. and displayport 1.2 doesnt even support DSC...

Its definitely DSC... 90hz works flawlessly... 4896x2448 x 90hz x 8bit color depth... 32.36 Gbps DisplayPort 1.4 is using HBR3 with a limit of 32.4Gbps

Use a thin face gasket, and adjust the ipd based on the vertical line display instead of what your numerical ipd is.

@C.T. I had HW-accelerated gpu scheduling on initially, turned it off and no difference. Also driver version makes no difference to the issue. Testing in steamvr home: Try turning your head back and forth quickly and watch the screen latency with a 4090, swap to a 30 series and repeat the test. Should see the screen "catching up" by like 300ms with the 4090 vs being 100% in sync with 30 series. Also random 200ms screen freezes during this process. SteamVR Version: 1.25.1 (1667521602) SteamVR Date: 2022-11-03 Steam: Public Steam Branch: beta Steam AppID: 250820 Tracking: lighthouse OS: Windows 11 OS Version: 10.0.0.22000 Direct Mode Vendor: NVIDIA Direct Mode Version: 526.47 Admin: No AsyncReprojection: Disabled Performance drops: 640/1 625/2 92/3 93/4 15557/17246 Display Mode: Direct Mode Device 1 - LHR-CB5AE819 Headset VIVE Pro 2 HTC Device Path: /devices/lighthouse/LHR-CB5AE819 Best Alias: /user/head Firmware: 1526689969 watchman@runner-watchman 2018-05-18 FPGA 531(2.19/7/2) BL 1526603673 Hardware Revision: product 133 rev 2.0.6 lot 2000/0/0 0 Watchman Firmware: 1526689969 / 1526689969 (2018-05-18) Watchman FPGA: 531 / 531 (2.19) Camera Firmware: 12884967859 / 12884967859 (Version: 03.01.1B3 Date: 2018.Jan.11) VSync to Photons: 0.00833333 Display Frequency: 120 Dongle Version: 6293135524 Version: 1461100729 / 1461100729 (2016-04-19) Dongle Version: AC7CE81668 Version: 1461100729 / 1461100729 (2016-04-19)

Do you have the latency issue too in steamvr home?

It sounded like HTC is just hoping nvidia will fix it? "(04:35:53) Julian M.: It might be related to latest CPU instead GPU, however, we don't have official information about that, if that troubleshooting that not works I would suggest you check with NVIDIA to keep an eye on their updates"

htc support gave me these articles when i asked about this issue?? https://www.intel.com/content/www/us/en/developer/articles/troubleshooting/openssl-sha-crash-bug-requires-application-update.html https://steamcommunity.com/app/1096570/discussions/0/3271312871357795546/?ctp=2

Same issue on Vivepro2 with 4090. (latency when turning head) resolution doesn't matter. Driver version doesn't matter. Has anyone tried wireless yet? I may give it a shot.