fixed Ithronwise found a video corruption thread

Ithronwise · November 26, 2020

Hi Bignewy, hi Flappie,

I flew a test flight in an F-15C on the Caucasus map to demonstrate the graphical glitch (track attached). There is black and partly light grey flickering after the Su-24's are hit and going down. It seems it is caused by the smoke trails (black and light grey).

Best regards,

Rene

Testflight Graphic glitches F-15C Caucasus.trk

Flappie · November 26, 2020

Thanks. "At last" I can see the glitch on my rig, if I may say so. But it doesn't really look like what's been described since this thread came up. There's no orange bloom. See for yourself:

It's a single frame, by the way. It's like : frame 1 = OFF, frame 2 = ON, frame 3 = OFF.

It's as if the splash effect was in my cockpit instead of in front of the aircraft, although the splashed Su-24 are distant (see video).

Must be seen in HD 60 FPS, otherwise one can miss the frame, at 00:07.

Edited November 26, 2020 by Flappie

BIGNEWY · November 26, 2020

I think it is a different issue, and I am not reproducing this one on my machine.

I will show it to the team

thank you

Edited November 26, 2020 by BIGNEWY

Ithronwise · November 26, 2020

Hi Flappie,

actually, when this thread came up I had the same orange and yellow flashes like described, together with these black flickering. The orange flashes where gone sometime (maybe because of a DCS or a graphics driver update), but the black and grey flickering stayed. If you say that's two different glitches, then I am glad if my track can help to fix it. Thanks to Bignewy for opening a new thread.

Best regards,

Rene

Ithronwise · January 30, 2021

Hi Flappie, hi Bignewy,

here is an update to the issue I found. Attached you can find a track with a lot of black flickering (CBU-97 hittings, APKWS hittings, GAU-8 hittings). There are also some screenshots captured from a video of the same mission. The flickering appears only when I hit the Mi-8's on the ground. Hitting the fuel trucks with APKWS and GAU-8 doesn't cause the issue. For me it seems to be related to the flames of the helos. It's just a test mission to demonstrate the issue, so don't judge my flight performance too harshly.

Best regards,
Rene

Black and blue flickering.trk

Flappie · February 1, 2021

Hi @Ithronwise. I'm unable to read the track properly because I don't own the A-10C II.

I edited the mission and attack the Mi-8 group with an A-10C I. I saw no glitch.

Try playing the attached track: if you keep seeing the glitch, try disabling mods then execute a cleanup and repair.

no_glitch.trk

Edited February 1, 2021 by Flappie

Ithronwise · February 2, 2021

Hi Flappie,

I see the same glitch in your track. I disabled all mods, executed a cleanup and a repair including the options "Check all files (slow)" and "Search for extra files after repair" and I also deleted the fxo and metashaders2 folders, but without result. The glitch is still there (see pictures, captured from your track). The strange thing is, that the glitch is sometimes there, sometimes not or the intensity of it is different when I run the track. For example, the both glitches in picture 1 and 2 appeared only in a few number of track run-throughs, but the glitch in picture 3 appeared in every single run-through, sometimes more intense sometimes less.

Best regards,
Rene

Edited February 2, 2021 by Ithronwise

Flappie · February 2, 2021

Try emptying this folder: "C:\ProgramData\NVIDIA Corporation\NV_Cache" (NVIDIA shaders cache)

Some files might not go away because they are used by active apps like Firefox or Chrome. Just hit "Ignore" if this happens.

Ithronwise · February 2, 2021

Hi Flappie,

I don't have a NVIDIA card but an AMD card (RX5700 XT). Is there a similar folder for AMD?

Best regards,

Rene

UPDATE: I have resetted the shader cache in the AMD Radeon settings (Global settings -> Reset -> Shader cache) but it didn't help.

Edited February 2, 2021 by Ithronwise

Flappie · February 2, 2021

OK. Please replay the track showing the glitch, then attach the resulting dcs.log file ( C:\Users\username\Saved Games\DCS...\Logs\dcs.log ).

Taz1004 · February 2, 2021

Those are usually signs of failing GPU. Try underclocking it and if it gets better, then you'll know if it's GPU or not.

Edited February 2, 2021 by Taz1004

Ithronwise · February 2, 2021

Hi Flappie,

attached you can find the dcs.log.

@Taz1004 currently my card runs with automatic undervolting. I could try to turn it off. But when my card is failing, why I only see this glitch in situations when an aircraft/helo starts to burn (on the ground/in the air doesn't no matter)? A burning truck, house, ship whatsoever never causes this glitch. And also in other games I don't have any glitches or other graphics issues.

Best regards,
Rene

dcs.log

Taz1004 · February 2, 2021

6 minutes ago, Ithronwise said:

Hi Flappie,

attached you can find the dcs.log.

@Taz1004 currently my card runs with automatic undervolting. I could try to turn it off. But when my card is failing, why I only see this glitch in situations when an aircraft/helo starts to burn (on the ground/in the air doesn't no matter)? A burning truck, house, ship whatsoever never causes this glitch. And also in other games I don't have any glitches or other graphics issues.

Best regards,
Rene

dcs.log 48.83 kB · 1 download

Glitch from failing GPU is never predictable. But if I had to guess, aircraft burning has thicker smoke which may require more draw calls.

Ithronwise · February 2, 2021

6 minutes ago, Taz1004 said:

Glitch from failing GPU is never predictable. But if I had to guess, aircraft burning has thicker smoke which may require more draw calls.

Besides of the colours this glitch is similar to the glitch in this topic:

There are also very short flashes in wrong colours. Do you think it also is caused by a failing GPU? Unfortunately turn of automatic undervolting didn't help.

Taz1004 · February 2, 2021

16 minutes ago, Ithronwise said:

Besides of the colours this glitch is similar to the glitch in this topic:

There are also very short flashes in wrong colours. Do you think it also is caused by a failing GPU? Unfortunately turn of automatic undervolting didn't help.

I thought those were flashes and yours is more persistent. Reason I'm suspecting GPU is because on the other thread, others can reproduce. Yours is not.

And strange coloration is typical signs of failing GPU. Or failed GPU overclock.

https://www.techjunkie.com/six-signs-graphics-card-might-dying/

It may be another factor but just to be on the safe side or at least rule it out, dust off your GPU. Even if the GPU temp is in good range, other component may be dusty. Then try underclocking it using AfterBurner.

Ithronwise · February 2, 2021

Hi Taz1004,

my glitches are also just very short flashes, not longer than 1 or 2 frames and happen in very limited situations. When a graphics card dies, then these glitches are longer or persistent, are more randomized and don't happen in exactly the same situations.

My card is running within normal temperature ranges and isn't overclocked. On weekend I will dust it off and give the underclocking by AfterBurner a try. Thanks for your help so far.

Best regards,
Rene

Flappie · February 2, 2021

I remember now that some AMD users said -in the "orange glitch" thread- they were seeing black glitches. It seems this "black glitch" issue is a very different one because :

AMD users are able to see the "orange glitch" (means there is no "orange = NVIDIA / black = AMD" thing),
if you don't own any WWII modules, you will never see the "orange glitch", and it seems @Ithronwisesees the "black glitch" without using any WWII module.

I believe you have a point: you GPU is not dying but there must be something in your AMD+DCS options that doesn't work well in DCS.

Reading your log file now.

Edited February 2, 2021 by Flappie

Flappie · February 2, 2021

Wait a minute. This caught my attention:

2021-02-02 14:51:45.155 WARNING DX11BACKEND: Shader particlesystem2/steamcatapult.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/steamCatapult.fx is modified.
2021-02-02 14:51:45.156 WARNING DX11BACKEND: Shader particlesystem2/steamcatapultcomp.fx:DIRECTX11=true;THREAD_X=32;THREAD_Y=32;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/steamCatapultComp.fx is modified.
2021-02-02 14:51:45.156 WARNING DX11BACKEND: Shader particlesystem2/cloud.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.158 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=3;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.158 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=4;PUFF_SOFT_PARTICLES;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.158 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=3;PUFF_SOFT_PARTICLES;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.159 WARNING DX11BACKEND: Shader particlesystem2/gpuexplosion.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.159 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;PUFF_SOFT_PARTICLES;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.160 WARNING DX11BACKEND: Shader particlesystem2/overwingvapor.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.160 WARNING DX11BACKEND: Shader particlesystem2/steamcatapultcomp.fx:DIRECTX11=true;THREAD_X=32;THREAD_Y=16;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/steamCatapultComp.fx is modified.
2021-02-02 14:51:45.160 WARNING DX11BACKEND: Shader particlesystem2/ffx.fx:ADDITIVE_GLOW;DIRECTX11=true;FFX_SOFT_PARTICLES;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.160 WARNING DX11BACKEND: Shader particlesystem2/ffx.fx:ADDITIVE_GLOW;DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.161 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=2;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.161 WARNING DX11BACKEND: Shader particlesystem2/ffx.fx:ADDITIVE_GLOW;DIRECTX11=true;PARTICLES_IN_CLUSTER=3;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.

Please go to "F:\DCS World\Bazar", delete the whole "shaders" folder, then run a repair.

Then empty "fxo" and "metashaders2" folders once more.

Once this is done, try to replay the track once more. If the black glitches keep happening, please attach once again your dcs.log.

Edited February 2, 2021 by Flappie

Taz1004 · February 2, 2021

11 minutes ago, Flappie said:

Wait a minute. This caught my attention:


2021-02-02 14:51:45.155 WARNING DX11BACKEND: Shader particlesystem2/steamcatapult.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/steamCatapult.fx is modified.
2021-02-02 14:51:45.156 WARNING DX11BACKEND: Shader particlesystem2/steamcatapultcomp.fx:DIRECTX11=true;THREAD_X=32;THREAD_Y=32;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/steamCatapultComp.fx is modified.
2021-02-02 14:51:45.156 WARNING DX11BACKEND: Shader particlesystem2/cloud.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.158 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=3;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.158 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=4;PUFF_SOFT_PARTICLES;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.158 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=3;PUFF_SOFT_PARTICLES;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.159 WARNING DX11BACKEND: Shader particlesystem2/gpuexplosion.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.159 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;PUFF_SOFT_PARTICLES;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.160 WARNING DX11BACKEND: Shader particlesystem2/overwingvapor.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.160 WARNING DX11BACKEND: Shader particlesystem2/steamcatapultcomp.fx:DIRECTX11=true;THREAD_X=32;THREAD_Y=16;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/steamCatapultComp.fx is modified.
2021-02-02 14:51:45.160 WARNING DX11BACKEND: Shader particlesystem2/ffx.fx:ADDITIVE_GLOW;DIRECTX11=true;FFX_SOFT_PARTICLES;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.160 WARNING DX11BACKEND: Shader particlesystem2/ffx.fx:ADDITIVE_GLOW;DIRECTX11=true;PARTICLES_IN_CLUSTER=1;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.
2021-02-02 14:51:45.161 WARNING DX11BACKEND: Shader particlesystem2/groundpuff.fx:DIRECTX11=true;PARTICLES_IN_CLUSTER=2;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/ParticleSystem2/groundPuff.fx is modified.
2021-02-02 14:51:45.161 WARNING DX11BACKEND: Shader particlesystem2/ffx.fx:ADDITIVE_GLOW;DIRECTX11=true;PARTICLES_IN_CLUSTER=3;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/particlesystem2/common/clustershading.hlsl is modified.

Please go to "F:\DCS World\Bazar", delete the whole "shaders" folder, then run a repair.

Then empty "fxo" and "metashaders2" folders once more.

Once this is done, try to replay the track once more. If the black glitches keep happening, please attach once again your dcs.log.

I get those errors too. On unmodded clean install.

Flappie · February 2, 2021

You must be right, I see they get recompiled further down the log.

Well, you never know.

Ithronwise · February 2, 2021

1 hour ago, Flappie said:

I remember now that some AMD users said -in the "orange glitch" thread- they were seeing black glitches. It seems this "black glitch" issue is a very different one because :

AMD users are able to see the "orange glitch" (means there is no "orange = NVIDIA / black = AMD" thing),

if you don't own any WWII modules, you will never see the "orange glitch", and it seems @Ithronwisesees the "black glitch" without using any WWII module.

I believe you have a point: you GPU is not dying but there must be something in your AMD+DCS options that doesn't work well in DCS.

Reading your log file now.

I also had these orange and yellow flashes together with black and grey flashes in non-WWII modules, see here:

The orange and yellow flashes were gone someday. I thought because of a DCS update or a graphics driver update. The black flashes stayed.

I hope you are right and my graphics card is not dying, because then DCS would be history for me at least for the next six or more months. It is almost impossible to buy a new one (no matter whether AMD or NVIDIA), and if, you have to pay moon prices.

Flappie · February 2, 2021

Hi @dorianR666 and @zorro74. Can you please give us a hand over here? BIGNEWY started this "black glitch" thread a while ago, and I see you've also experienced this bug. I'm thinking maybe we can hunt this issue finding what you two three have in common in your PC, be it hardware, software, AMD/NVIDIA parameters or DCS options.

To start with, we need you to replay the attached track and tell us if you keep seeing these black glitches or not.

Flappie_no_glitch.trk

Roosterfeet · February 8, 2021

I see the same glitches as Ithronwise in Flappie's track. Running a Radeon 5600XT. I've been seeing these glitches for a while now. Almost always occurs with smoke on screen but not every time there is smoke on screen. This track is the worst I've seen it.

DxDiag.txt

Flappie · February 8, 2021

Thanks for your report.

Can you guys try renaming your Saved Games\DCS (or DCS.openbeta) folder, then see if the glitch keeps showing up?

Roosterfeet · February 8, 2021

No improvement. Renamed saved games\DCS.openbeta. Made 3 changes in graphics options: checked fullscreen, aspect ratio to 16x9, resolution to 1920x1080. Exited and copied your track into the new tracks folder. Ran the track and still got the glitches described above.

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fixed Ithronwise found a video corruption thread

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