Topic Title: Sound stutters with Crossfire enabled
Topic Summary: High DPC latency
Created On: 12/30/2013 08:01 AM
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 02/04/2014 04:26 PM
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Italiauno
Peon

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Same identical issue with Battlefield 3 2560x1440, 2x 290X Sapphire default and with Overdrive enabled only for take down temp (100% max fan allowed; 75° max). Frame drop extremely down with vsync on (fraps indicate 20-40 fps with medium AA and 2x AA) and sound stutters. Only removing vsync all go ok. Tried 13.12 and 14.1 driver, same issues. Windows 7 64, FX 9590, Sabertooth 990FX, 32 GB ddr3 1600 Corsair Vengeance. Corsair AX 1200 for supply



Edited: 02/04/2014 at 06:00 PM by Italiauno
 02/05/2014 11:46 AM
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MajorEpeen
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This is really getting really old.

 

Having to use the 13.11 beta v9.2 (available over at guru3d if anyone was looking).

 

It is obvious that they are very busy with mantle but this situation is a real deal breaker for me. I cannot play without vsync enabled. This situation needs to be addressed as soon as possible so that those with multiple R9's can benefit from a driver update.

 02/05/2014 05:24 PM
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Penfold
Peon

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Today I swapped out my Dell 27inch montior for a QNIX 2710 which allows me to run at a higher refresh rate using CRU. Issues I've had with soundbreak up dissapear when running 100/110/120 Hz refresh with vsync enabled.

I've not had a chance to try lower refresh rates but did think it was interesting that swapping monitor's and upping refresh rate seemingly has made the issue go away. Have only tried this on version 14.1

What I don't know is if v-sync is actually turned on at these higher refresh rates when I enable it. It also does make me wonder  if using AMD/ATI Pixel Clock Patcher/CRU and then fixing the refresh to 60HZ would also fix the issue

 02/08/2014 06:29 AM
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TurkzUowT
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My Sysytem:

Windows 8.1

amd_catalyst_14.1_betav1.6 driver

Intel 4770k o/c to 4.4ghz

Asus Maximus Hero

2x SAPPHIRE TRI-X r9 290's (crossfire)

16gb 2400mhz RAM

Hi,

I am sending this message as myself along with the thousands of people accross the planet that have purchased your graphic cards with the intension to utilise what your company strongly advertises to the public namely CrossFire and have been unable to do so because AMD arn't delivering what their promising and selling to the public!!

Why adverstise CrossFire to the public if we can't use it!? It's called FALSE ADVERTISING!!

Why should we have to invest for two cards when all it's doing is sitting there in my box disabled because the sound crackling is unbearable and frame rates suck!!

It was almost 2 months ago that you mentioned that "AMD was looking into this issue" in another post and in the mean time new drivers have been released and still problem persists!! Do you guys NOT test your cards in CrossFire because there is no way in hell that this kind of issue can go missed!!

Pull your finger out AMD!!

 02/18/2014 01:09 PM
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Divvy
Peon

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Just chiming in that I have this exact same problem on my reference XFX R9 290X Crossfire. High DPC latency while Crossfire is being used by fullscreen 3D applications and the sound stutters.

 02/19/2014 08:25 AM
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dcsastry
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I have an ASRock Z87 Extreme9/ac motherboard.  This board uses a Gen3 switch, the PLX PEX8747 to support 4 separate graphics cards in 8x Gen3 mode.

I have four R9 290RX cards sitting in my system.  Mostly I've been using the card for virtual currency mining.  But I also tried playing some games with Crossfire enabled.  If enabled, I also have major audio static problems (using onboard Audio).

I don't have any need for Crossfire - I'm only running one monitor and 1920x1080 resolution.  But I wanted to post that I had this issue anyways.

I searched a bunch of forums related to the game I was playing, but only recently looked at the AMD forums.  I know this is relatively new tech, so AMD has some work to do to fix this.

My guess is that the Crossfire packet traffic is just taking up too much of system bandwidth causing audio dropouts, making that static sound.  Just seems to make sense based on the symptoms.

As of now, I have Crossfire disabled until this is fixed (doesn't affect mining capability).



-------------------------

- Dave

 02/19/2014 01:14 PM
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Divvy
Peon

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I tried LatencyMon to track down the culprit of the high DPC latency when crossfire and vsync are enabled and it identified dxgkrnl.sys as the problematic driver. Whether this is the cause or symptom, I have no idea.

EDIT: If vsync is disabled, the DPC latency goes down enough for the audio to work, but is still much higher than with a single card. I would assume this is just because the framerate is higher. If you have a low framerate vsync disabled, I believe you'll have the same audio crackling and stuttering as vsync enabled.



Edited: 02/19/2014 at 01:25 PM by Divvy
 02/23/2014 01:44 PM
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Divvy
Peon

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I'll just bump this.

 02/24/2014 11:43 AM
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Skinner
Peon

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And it stay's totally quiet on AMD's front, they don't seem to border. It wouldn't surprice me if this issue is present again in the next driver. It just don't land, interaction with customers seems impossible  

 02/25/2014 10:34 AM
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Endemo
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Exact same Problem here. Only deactivating crossfire solves problem.

System:

2x ASUS R9 290X Cards in crossfire

Asus Sabertooth X79 Mainboard

Gonna try this betadriver and hope it helps.

And i am another customer that would GREATLY apprechiate if AMD would reply to uns on this issue!!!!! Could greatly help on deciding if i will ever again be an AMD customer.

Like everyone else here i payed premium money for those cards just to not being able to actually use them properly. So at least something like "we are aware of the problem and are working on it" would be the least to expect.

Sincerely



Edited: 02/25/2014 at 10:44 AM by Endemo
 02/25/2014 10:51 AM
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Endemo
Peon

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New Catalyst available. Hopefully resolves Issues:

 

http://support.amd.com/en-us/kb-articles/Pages/latest-catalyst-windows-beta.aspx

 02/25/2014 11:39 AM
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Divvy
Peon

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14.2 betas did not resolve this issue.

 02/25/2014 02:26 PM
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Skinner
Peon

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It's not even in the known issues list. They take their own plan, not listening or interfearing with customers, the issue report is a useless too. This is probably my last post here. Goodluck, my patience is over.

 02/25/2014 03:46 PM
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JR1911
Peon

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Well, that settles it then. As soon as Nvidia releases their highend Maxwells it's goodbye AMD.

 02/25/2014 05:19 PM
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serys
Peon

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3 R9 290x in the garbage now, good bye AMD forever... My patience has a limit.

 02/25/2014 09:39 PM
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Skinner
Peon

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Everything else besides the v-sync issue is working great though!
All the left eyefinity/fov issues on my 4K mst screen ingame are fixed, that deserves a big compliment. It seems the blackscreening is also a thing of the past, but I want to confirm that after a days hopefully.

I'm playing BF4 just in dx11 unil sweetfx is supporting mantle.

 Now if I gonna get rid of that tearing I can finally play.

 02/26/2014 04:50 AM
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Divvy
Peon

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Originally posted by: Skinner Everything else besides the v-sync issue is working great though

 

Unfortunately, although disabling vsync usually helps the DPC latency enough to eliminate the crackling, it's still sky-high compared to a single card. The result is microstuttering in every game. Your game would be much smoother without this issue, regardless of vsync.

 02/26/2014 06:04 PM
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Migman
Peon

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Originally posted by: Ray@AMD Please refer to this post : http://forums.amd.com/game/messageview.cfm?catid=475&threadid=172018&r=8185963

 

Ah, error code 102, cheers.

 02/26/2014 07:23 PM
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serys
Peon

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Hahaha! It's like the code for their drivers : error! The only answer they are able to give, it is an error...

 02/27/2014 04:35 AM
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Endemo
Peon

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I read it before it was gone. It said they are aware of the proble, that they have identified the cause and that it will be fixed in an upcoming driver release. And that this release is to be expected in april.

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