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AMD CrossFireX Problems


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Latest Beta drivers as well. Tried forcing AFR and 1x1 as well as other DX11 profiles like pCars with no change.

 

The thing I noticed that the stuttering increases during the training missions compared to regular or quick missions.

 

Interesting. Thanks for the testing and info. After what you described I've just tried it with the A-10C 'Landing' mission but I'd have also switched to the NFS11.exe profile in CCC and I could swear it appears a bit smoother than the A-10C instant action Georgia spring mission which was running on the Crysis2 profile (its the only one that works for me in Elite Dangerous so I start there when testing). Would you mind testing this profile if you get the time and letting us know how you get on? Cheers.

 

~S

 

Asus ati 6990

 

crossfire=zero points

 

Can you be more specific as telling us zero points doesn't help us figure this out and help you get it running. Have you tried Alt+Enter to enable Crossfire, what is your driver, win OS etc?

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I have try all with the Game options and the Crossfire is not in use.

 

Then I tried with a new profile via Catalyst with crossfire on and also not crossfire in use.

 

The only work for me is LAlt+Enter, BUT if I use LAlt+Tab to see another app then the Crossfire is down again.

 

Confirmed some Stuttering when Crossfire is used

[sIGPIC][/sIGPIC]

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Crossfire work fine for me,

 

Default Profile, Frame Pacing on,

 

I also use the FRTC to lock GPU Frame Rate to 60 FPS regardless of VSYNC Settings.

 

I run 15.7.1 at the moment (had to roll back due to conflict w/ other programs)

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I have try all with the Game options and the Crossfire is not in use.

 

Then I tried with a new profile via Catalyst with crossfire on and also not crossfire in use.

 

The only work for me is LAlt+Enter, BUT if I use LAlt+Tab to see another app then the Crossfire is down again.

 

That is normal behaviour for Crossfire. After Alt tabbing (which disables Crossfire) Alt+Enter again to re-enable Crossfire when back in DCS.

 

 

Crossfire work fine for me,

 

Default Profile, Frame Pacing on,

 

I also use the FRTC to lock GPU Frame Rate to 60 FPS regardless of VSYNC Settings.

 

I run 15.7.1 at the moment (had to roll back due to conflict w/ other programs)

 

Do you get stuttering on the 15.7.1 drivers with Win 7?

 

 

Just a tiny tip for others. When enabling Crossfire with Alt+Enter do it in the main menu or else every mission you start you will have to do it each time. If you do it in the main menu for some reason DCS remembers the settings.


Edited by Juris

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What about Multiplayer?

 

Any difference between the MP shortcut and the in-game MP entry??

 

SP and MP Both use DCS.EXE

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What about Multiplayer?

 

Any difference between the MP shortcut and the in-game MP entry??

 

MP shortcut disapear on 1.5, you not need them, you enter by DCS: W 1.5 option menu (new GUI)

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Not at my computer right now, but in another thread someone stated that the vram usage was quite high. Maybe the sim thinks we have double the available vram than we can actually use, causing a lot of caching and stuttering?

"It takes a big man to admit he is wrong...I'm not a big man" Chevy Chase, Fletch Lives

 

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Interesting. Thanks for the testing and info. After what you described I've just tried it with the A-10C 'Landing' mission but I'd have also switched to the NFS11.exe profile in CCC and I could swear it appears a bit smoother than the A-10C instant action Georgia spring mission which was running on the Crysis2 profile (its the only one that works for me in Elite Dangerous so I start there when testing). Would you mind testing this profile if you get the time and letting us know how you get on? Cheers.

 

 

 

Can you be more specific as telling us zero points doesn't help us figure this out and help you get it running. Have you tried Alt+Enter to enable Crossfire, what is your driver, win OS etc?

 

Just tried the NFS11 profile and I find it does reduce the stutter a lot. Almost playable now. Still a hitch eVery 8-10 seconds now compared to before. I'm cautiously optimistic with this progress.

 

Also check my vram, stays right around 2100 out of 4gb so that isn't the issue.

 

Spoke too soon, stutter is back, I think I'm onto something....

 

 

..... Nope rats. My sound card crashed when I got the smoother gameplay, so I disabled it and didn't get the same results. Now when I run the NFS11 profile it stutter just as much as the default. I got one session where it was smooth, maybe related to sound, but I don't want to physically remove my soundcard and is drivers to see.

 

Back to square one.


Edited by DayGlow

"It takes a big man to admit he is wrong...I'm not a big man" Chevy Chase, Fletch Lives

 

3700x - 32gb ram - RTX3080 - Windows 10

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Just tried the NFS11 profile and I find it does reduce the stutter a lot. Almost playable now. Still a hitch eVery 8-10 seconds now compared to before. I'm cautiously optimistic with this progress.

 

Also check my vram, stays right around 2100 out of 4gb so that isn't the issue.

 

Spoke too soon, stutter is back, I think I'm onto something....

 

 

..... Nope rats. My sound card crashed when I got the smoother gameplay, so I disabled it and didn't get the same results. Now when I run the NFS11 profile it stutter just as much as the default. I got one session where it was smooth, maybe related to sound, but I don't want to physically remove my soundcard and is drivers to see.

 

Back to square one.

 

Thats really weird you say that. I was under some time pressure when I was testing the NFS11 profile on the A-10 landing training mission so I haven't been able to replay things. Something weird happened when I spotted the smooth gameplay using this profile.

 

When I went into the mission the music from the main menu (I had it set to the FC3 theme) was still playing over the mission in the background when it obviously should have stopped playing. I could still hear the in game sounds just with the added main menu tune. Could this be a threading issue regards the CPU interfering with Crossfire?

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I know the theme music during training missions is a confirmed bug that was reported earlier

"It takes a big man to admit he is wrong...I'm not a big man" Chevy Chase, Fletch Lives

 

3700x - 32gb ram - RTX3080 - Windows 10

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I know the theme music during training missions is a confirmed bug that was reported earlier

 

If its a bug that stops the Crossifre stuttering somebody please stop the devs fixing it. Or at least just make them replace it with the Top Gun theme tune. :)

MSI Gaming 9 ACK, Intel 4790k 4.4ghz, AMD 295x2 GPU, 32gb Corsair Dominator Platinum 2133mhz, DCS on Samsung 840pro SSD. Windows 10 Pro 64-bit.

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I haven't been able to get crossfire working in windows 10 with 2x r9 290's. Tried most of the stuff suggested in the thread and nothing has gotten the second card to be used. I'm sure there will eventually be a profile since dual gpu is a big point of interest for DCS:W 2.0 .

Funny thing about "IRL", It can change in a split second...

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Crossfire doesn't work

 

Hi I can't get my second GPU running and I also can't get it to play in full screen even if I've select full screen in the settings.

 

I have AMG R9 295x2 the game run at 45 FPS in 4K but with one GPU running, I try to lower my resolution but I can't get it to full screen

 

Thank you

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It should be a driver issue. We need an optimized driv

 

Could well be, don't know for sure BUT I tell you what we could do with!!

 

Someone from ED to make it plain what we need to do to get 1.5 working with Crossfire!!

 

What's the use of having a Bug and Problems forum if nobody from ED replies in them.

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Lalt+enter works for most people. Ralt doesn't work though, make sure to use the left one.

"It takes a big man to admit he is wrong...I'm not a big man" Chevy Chase, Fletch Lives

 

3700x - 32gb ram - RTX3080 - Windows 10

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LAlt works for me too but don't count out RAlt + Enter, as some have got it to work with that combo. Could be a motherboard, GPU or Windows version thing.

i9 9900x at 5.1 Ghz // ASUS ROG Maximus XI Formula EK Bloc // 64Gb Corsair Vengence 3600Mhz DDR4 Ram // Gigabyte Aorus 2080Ti Watercooled block//Samsung SM951 M2 x4 SSD // Windows 10 64 Bit //50 inch Panasonic TX50-AX802 @ 3840x2160 60Hz//Asus ROG Swift PG35VQ 3440 x 14440 144Hz // TM Warthog HOTAS (Ser. No. 00836) //MFG Crosswind Pedals // TrackIR 5 //Valve Index

 

An old pilot is one who remembers when flying was dangerous and sex was safe.

 

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Crossfire work fine for me,

 

Default Profile, Frame Pacing on,

 

I also use the FRTC to lock GPU Frame Rate to 60 FPS regardless of VSYNC Settings.

 

I run 15.7.1 at the moment (had to roll back due to conflict w/ other programs)

 

I've just tried setting FRTC to 60 (took me a google search to find that it was a recent addition to the Performance section of CCC) and tested it out in one of the A-10C training missions (where the stutter with Xfire is absolutely dire) to no effect.

All other settings and driver as SkateZilla's above.

 

Still trying to get to the cause of this :book:

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An old pilot is one who remembers when flying was dangerous and sex was safe.

 

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