solved Reverb G2 suddenly crashes SteamVR after 2 years of happy flying.

[cptmrcalm]

Hi all.

Wondered if anyone here has experienced anything like what I am about to describe. (my guess is no)

I have a Reverb G2. Been using it for around two years now. Very happy with it.

When I fly DCS – I only ever join the blueflag servers for PVP. I don’t fly single player very much at all.

Friday 7^th October I was doing my usual flying on the server and all was great.

Saturday 8^th October my world changed.

I suddenly get constant crashes with DCS on the server.

Here’s the kicker. I have not touched anything. Haven’t installed anything. Haven’t changed any settings.

The symptoms are repeatable and happen every time.

The sim is a little choppy and stutter when I enter the world. (very subtle and intermittent). I take off and within 5 minutes the VR headset goes black and SteamVR crashes. With the options of restart or close SteamVR.

The sim is still running and I can see it on the desktop- no matter which I do (close SteamVR or restart it)

 It runs very slowly – around 10fps. If I happen to able to see the hud (as the headset at this point is dead) I can land the plane albeit a challenge at those frame rates.

I am not seeking graphic settings advice here because I have been using the same settings for around 2 years happily.

But why has it suddenly decided to do this?

I gave the dates above in the hope that someone might advise that an automatic update may have took place on the 8^th October with either Windows Mixed Reality, Windows, SteamVR, DCS or Windows Mixed Reality for SteamVR).

What I have tried:

I’ve changed USB ports for the headset in case it was a USB thing. No difference.

I’ve done the obvious things AFTER the 8^th October to see if it helped but it didn’t. (updated nvidia drivers, windows updates)

I cleared environment data with the headset and at first I thought it had fixed it – but it didn’t.

I’ve re-installed DCS, SteamVR, Windows Mixed Reality and the Windows Mixed Realty for SteamVR as well. All no good.

Luckily, I have a valve index too. That, I can say, runs fine.

If I was a betting man -I would say it was the Windows Mixed Reality for SteamVR. But I can’t roll back to a previous install. That did have an update around that time. It was available that week – but I don’t allow automatic updates, however, It could have been that?

 

Anyone any advice? if i get some feedback - i can start looking into the suggestions and go as far as to provide log files and provide settings

details and versions numbers etc. Just looking at some guidance at this point for what to look out for.

 

 

 

PS. the headset (G2) runs fine with other titles, such as REC Room, Skyrim VR etc. This happens only with DCS. (hence why I have posted here)

Edited October 21, 2022 by cptmrcalm

[lester]

Looks like I have similar issue:

I got this SteamVR critical error first time on October 8 too. Didn't change anything either. I suspected SteamVR update.

Edited October 21, 2022 by lester

[cptmrcalm]

Blast! Although I think its the Windows Mixed Reality for Steam VR driver.

Need to look in to how to roll back the version.

 

I havent fully read this properly - but a quick scan has caused me to send the link for myself to look into later.

 

 

 

Also - just seen this. posted 15 hours ago.

 

 

[cptmrcalm]

hi there. just to report back to you Lester my good man... (and for anyone else reading this) - it seems that running the Windows Mixed Reality for SteamVR in the latest "lkg_release - lkg_release" seems to have fixed it having now just done a very quick flight in single player with a test mission that failed repeatedly.

 

I am flying tonight on the buddyspike server tonight in PVP so I will see how it goes. But so far - 30 minute test is looking good.

 

I could tell it was going to work within the first 30 seconds. It fails again, I will report back later.

[DishDoggie]

If I may ask a question please that has nothing to do with the crash? I am assuming  you are using Steam VR for a Steam version of DCS? I don't use Steam DCS so I use OpenComposite to stop Steam VR from running. I think You found your problem and will be fine now. Good Luck tonight.

[cptmrcalm]

Hi there. Yes, its steam DCS I use. For VR you have to run both WMR and Steam VR which then calls upon the WMR for steam vr.

 

Hopefully, all will be well now. The only issue is getting word to the WMR for steam VR team that the latest version is buggy.

[lester]

1 hour ago, cptmrcalm said:

hi there. just to report back to you Lester my good man... (and for anyone else reading this) - it seems that running the Windows Mixed Reality for SteamVR in the latest "lkg_release - lkg_release" seems to have fixed it having now just done a very quick flight in single player with a test mission that failed repeatedly.

I am flying tonight on the buddyspike server tonight in PVP so I will see how it goes. But so far - 30 minute test is looking good.

I could tell it was going to work within the first 30 seconds. It fails again, I will report back later.

Thank you so much for the research!

I'll try to rollback WMR for SteamVR to the lkg_release a bit later today and return back with the results.

[lester]

And the problem is gone for me too after switching to the lkg_release of the WMR for SteamVR: tried both missions where I had it before. Thanks again cptmrcalm!

Edited October 22, 2022 by lester

[Flappie]

Thanks for your feedback.