ATTENTION all GTX500-series owners and NVIDIA!
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I finally figured it out! Many owners of GTX500 factory overclocked cards have had crashes when running DX11 games or benchmark tools. The advice up until now has been to add voltage to the core to get it stable. STOP DOING THAT! The problem is not related to an underpowered card - it's 100% a driver issue regarding [b]tessellation[/b].

I play Battlefield Bad Company 2 - a DX11 title that I've never had issues with. It always runs fine - also on my GTX570 with stock voltage. Crysis 2 however is a different story - it crashes after 30 seconds in DX11 - some goes for Unigine Heaven running DX11. There has been reports about similar crashes in Dirt 3 and F.E.A.R. 3.
So - what is the difference between Bad Company 2 and Crysis 2, Dirt 3 and F.E.A.R 3? [b]Tessellation[/b] of course.
I did a quick test with Unigine Heaven DX11. With tessellation enabled on stock voltage the program crashes. With tessellation disabled it runs fine in DX11 on my GTX570.

There you have folks. Disable tessellation in those DX11 titles that supports it if you want to avoid raising voltage on your GTX500 card. The rest is up to NVIDIA. :)
I finally figured it out! Many owners of GTX500 factory overclocked cards have had crashes when running DX11 games or benchmark tools. The advice up until now has been to add voltage to the core to get it stable. STOP DOING THAT! The problem is not related to an underpowered card - it's 100% a driver issue regarding tessellation.



I play Battlefield Bad Company 2 - a DX11 title that I've never had issues with. It always runs fine - also on my GTX570 with stock voltage. Crysis 2 however is a different story - it crashes after 30 seconds in DX11 - some goes for Unigine Heaven running DX11. There has been reports about similar crashes in Dirt 3 and F.E.A.R. 3.

So - what is the difference between Bad Company 2 and Crysis 2, Dirt 3 and F.E.A.R 3? Tessellation of course.

I did a quick test with Unigine Heaven DX11. With tessellation enabled on stock voltage the program crashes. With tessellation disabled it runs fine in DX11 on my GTX570.



There you have folks. Disable tessellation in those DX11 titles that supports it if you want to avoid raising voltage on your GTX500 card. The rest is up to NVIDIA. :)

#1
Posted 07/08/2011 05:25 PM   
I don't think tessellation is the problem, it's the driver, and the bad dx11 implementation both in fear 3 and crysis 2. Crytek have screwed up crysis 2 with their 1.9 patch and co-called dx11.
I don't think tessellation is the problem, it's the driver, and the bad dx11 implementation both in fear 3 and crysis 2. Crytek have screwed up crysis 2 with their 1.9 patch and co-called dx11.

#2
Posted 07/08/2011 05:32 PM   
[quote name='calin05' date='08 July 2011 - 07:32 PM' timestamp='1310146328' post='1261931']
I don't think tessellation is the problem, it's the driver, and the bad dx11 implementation both in fear 3 and crysis 2. Crytek have screwed up crysis 2 with their 1.9 patch and co-called dx11.
[/quote]

Ehm....I did write that it is 100% a driver problem related to tessellation.... /wink.gif' class='bbc_emoticon' alt=';)' />

The scenario with tessellation in DX11 is present in both 3 games and Unigine Heaven. I would really like if someone could test the other game titles. I can test Crysis 2 myself - just don't know the cVar for disabling tessellation. /wink.gif' class='bbc_emoticon' alt=';)' />
[quote name='calin05' date='08 July 2011 - 07:32 PM' timestamp='1310146328' post='1261931']

I don't think tessellation is the problem, it's the driver, and the bad dx11 implementation both in fear 3 and crysis 2. Crytek have screwed up crysis 2 with their 1.9 patch and co-called dx11.





Ehm....I did write that it is 100% a driver problem related to tessellation.... /wink.gif' class='bbc_emoticon' alt=';)' />



The scenario with tessellation in DX11 is present in both 3 games and Unigine Heaven. I would really like if someone could test the other game titles. I can test Crysis 2 myself - just don't know the cVar for disabling tessellation. /wink.gif' class='bbc_emoticon' alt=';)' />

#3
Posted 07/08/2011 05:44 PM   
You're saying it's a driver issue, but then why does underclocking or increasing voltage solve the problem?

Not much has changed with the tessellation engine between 400 and 500 series. If it really was a driver problem, why aren't everyone with 400 series complaining of it too?
You're saying it's a driver issue, but then why does underclocking or increasing voltage solve the problem?



Not much has changed with the tessellation engine between 400 and 500 series. If it really was a driver problem, why aren't everyone with 400 series complaining of it too?

"This is your code. These are also your bugs. Really. Yes, the API runtime and the
driver have bugs, but this is not one of them. Now go fix it already." -fgiesen

#4
Posted 07/08/2011 05:58 PM   
Hey JCO, Your using Driver 275.33, uninstall them and install 270.61 [img]http://forums.nvidia.com/public/style_emoticons/default/yes.gif[/img] 275.33 are buggy.
Hey JCO, Your using Driver 275.33, uninstall them and install 270.61 Image 275.33 are buggy.

CM HAF 932 - ASUS Rampage IV Extreme- Intel i7 3930K - Mushkin Redline 16GB 2133 - Antec HCP 1200kw - Galaxy GTX 670 3 way SLI - 2 WD 1TB Black,WD 640GB Black, WD SSD 64GB - Thermaltake CLW0217 Water 2.0 Extreme - ASUS 24x - Logitech G9 - Logitech G105 - I INC 28" Monitor at 1920 X 1200 (Native) Wow Gaming is great! Speakers - Logitech 530's - Win 7 Ultimate 64bit

Posted by Rsabatino, techjesse you are the people's champ of overclocking

Vantage P70249ORB
Image

#5
Posted 07/08/2011 05:59 PM   
[quote name='nvtweakman' date='08 July 2011 - 07:58 PM' timestamp='1310147914' post='1261947']
You're saying it's a driver issue, but then why does underclocking or increasing voltage solve the problem?

Not much has changed with the tessellation engine between 400 and 500 series. If it really was a driver problem, why aren't everyone with 400 series complaining of it too?
[/quote]

I'm not the expert here - I just report my findings. However - a link between tessellation and voltage does not seem that obvious - except for the fact that tessellation increases GPU stress.
Strange things have happened before with NVIDIA drivers. I remember something about drivers causing fan failure on a specific range of NVIDIA cards - the result was a lot of people with burned cards. Thank God NVIDIA got that one fixed very quickly. :)

I don't know the answer to why the problem is not on 400-series card. Good question. :)
[quote name='nvtweakman' date='08 July 2011 - 07:58 PM' timestamp='1310147914' post='1261947']

You're saying it's a driver issue, but then why does underclocking or increasing voltage solve the problem?



Not much has changed with the tessellation engine between 400 and 500 series. If it really was a driver problem, why aren't everyone with 400 series complaining of it too?





I'm not the expert here - I just report my findings. However - a link between tessellation and voltage does not seem that obvious - except for the fact that tessellation increases GPU stress.

Strange things have happened before with NVIDIA drivers. I remember something about drivers causing fan failure on a specific range of NVIDIA cards - the result was a lot of people with burned cards. Thank God NVIDIA got that one fixed very quickly. :)



I don't know the answer to why the problem is not on 400-series card. Good question. :)

#6
Posted 07/08/2011 06:25 PM   
[quote name='techjesse' date='08 July 2011 - 07:59 PM' timestamp='1310147940' post='1261948']
Hey JCO, Your using Driver 275.33, uninstall them and install 270.61 [img]http://forums.nvidia.com/public/style_emoticons/default/yes.gif[/img] 275.33 are buggy.
[/quote]

I tested with 266.58 and my current: 275.50. The problem is there on both drivers. :)
[quote name='techjesse' date='08 July 2011 - 07:59 PM' timestamp='1310147940' post='1261948']

Hey JCO, Your using Driver 275.33, uninstall them and install 270.61 Image 275.33 are buggy.





I tested with 266.58 and my current: 275.50. The problem is there on both drivers. :)

#7
Posted 07/08/2011 06:26 PM   
Have hope that the 280.xx driver will be ok in every game :)
Have hope that the 280.xx driver will be ok in every game :)

#8
Posted 07/08/2011 06:37 PM   
[quote name='calin05' date='08 July 2011 - 08:37 PM' timestamp='1310150246' post='1261963']
Have hope that the 280.xx driver will be ok in every game :)
[/quote]

That would be a blessing. :)
[quote name='calin05' date='08 July 2011 - 08:37 PM' timestamp='1310150246' post='1261963']

Have hope that the 280.xx driver will be ok in every game :)





That would be a blessing. :)

#9
Posted 07/08/2011 06:41 PM   
[quote name='JCOnlineDK' date='08 July 2011 - 01:26 PM' timestamp='1310149590' post='1261957']
I tested with 266.58 and my current: 275.50. The problem is there on both drivers. :)
[/quote]

Tess runs great on my rig, no crashing ever. Drivers 270.61 will do the trick.
[quote name='JCOnlineDK' date='08 July 2011 - 01:26 PM' timestamp='1310149590' post='1261957']

I tested with 266.58 and my current: 275.50. The problem is there on both drivers. :)





Tess runs great on my rig, no crashing ever. Drivers 270.61 will do the trick.

CM HAF 932 - ASUS Rampage IV Extreme- Intel i7 3930K - Mushkin Redline 16GB 2133 - Antec HCP 1200kw - Galaxy GTX 670 3 way SLI - 2 WD 1TB Black,WD 640GB Black, WD SSD 64GB - Thermaltake CLW0217 Water 2.0 Extreme - ASUS 24x - Logitech G9 - Logitech G105 - I INC 28" Monitor at 1920 X 1200 (Native) Wow Gaming is great! Speakers - Logitech 530's - Win 7 Ultimate 64bit

Posted by Rsabatino, techjesse you are the people's champ of overclocking

Vantage P70249ORB
Image

#10
Posted 07/08/2011 06:41 PM   
[quote name='techjesse' date='08 July 2011 - 08:41 PM' timestamp='1310150516' post='1261966']
Tess runs great on my rig, no crashing ever. Drivers 270.61 will do the trick.
[/quote]

Trying now with Unigine Heaven - DX11 with tessellation enabled. /wink.gif' class='bbc_emoticon' alt=';)' />
[quote name='techjesse' date='08 July 2011 - 08:41 PM' timestamp='1310150516' post='1261966']

Tess runs great on my rig, no crashing ever. Drivers 270.61 will do the trick.





Trying now with Unigine Heaven - DX11 with tessellation enabled. /wink.gif' class='bbc_emoticon' alt=';)' />

#11
Posted 07/08/2011 06:46 PM   
If you think it is tessellation-related (rather than DX11) then a simple way to confirm would be to run the Heaven benchmark using OpenGL - that allows tessellation also, even on WinXP.
If you think it is tessellation-related (rather than DX11) then a simple way to confirm would be to run the Heaven benchmark using OpenGL - that allows tessellation also, even on WinXP.

Hardware: Core i7-930 @ 3.46GHz, Gigabyte X58A-UD3R motherboard, 18GB RAM, 2x1GB 460GTX in SLI, 6xSamsung 128GB SSDs in RAID-0, 2xSamsung HD103SJ 1TB disks, 30" 2560x1600 Dell WFP-3007HC monitor, Asus Xonar DX

Software: WinXP SP3, Forceware 301.24, MSI Afterburner, Process Guard, System Safety Monitor

#12
Posted 07/08/2011 06:51 PM   
[quote name='JCOnlineDK' date='08 July 2011 - 02:25 PM' timestamp='1310149536' post='1261956']I don't know the answer to why the problem is not on 400-series card. Good question. :)
[/quote]

It's probably fair to say that anyone with an overclocked and undervolted GeForce 400 series card would run into similar problems. To me it is unimaginable that NVIDIA would have a driver out for several months that can't do tessellation properly on 500 series hardware.
[quote name='JCOnlineDK' date='08 July 2011 - 02:25 PM' timestamp='1310149536' post='1261956']I don't know the answer to why the problem is not on 400-series card. Good question. :)





It's probably fair to say that anyone with an overclocked and undervolted GeForce 400 series card would run into similar problems. To me it is unimaginable that NVIDIA would have a driver out for several months that can't do tessellation properly on 500 series hardware.

"This is your code. These are also your bugs. Really. Yes, the API runtime and the
driver have bugs, but this is not one of them. Now go fix it already." -fgiesen

#13
Posted 07/08/2011 06:53 PM   
[quote name='techjesse' date='08 July 2011 - 08:41 PM' timestamp='1310150516' post='1261966']
Tess runs great on my rig, no crashing ever. Drivers 270.61 will do the trick.
[/quote]

WTF?! You are right! Just did a quick 10 minute test with Unigine Heaven - DX11, Tess enabled, 8xAA - no issues with the 270.61. :) Thank you very much for that tip. Seems that the 270.61 works for me. Will test Crysis 2 later tonight. :)

Guess this confirms it - driver related. :)
[quote name='techjesse' date='08 July 2011 - 08:41 PM' timestamp='1310150516' post='1261966']

Tess runs great on my rig, no crashing ever. Drivers 270.61 will do the trick.





WTF?! You are right! Just did a quick 10 minute test with Unigine Heaven - DX11, Tess enabled, 8xAA - no issues with the 270.61. :) Thank you very much for that tip. Seems that the 270.61 works for me. Will test Crysis 2 later tonight. :)



Guess this confirms it - driver related. :)

#14
Posted 07/08/2011 07:20 PM   
My Heaven Bench 2.5 no problem going with plants Tessellation Extreme. But in games all the issues decided by show of small stresses on 2 position. MSI have solved this problem for releasing their new GTX 570 OC BIOS with a rated voltage of 0.975 and all is normal. And for those who have cards from other NVIDIA partners who did not deign to release a new BIOS to display the voltage manually. So 0.025v solves this problem. And hardly a thing of the drivers.

P.S. Drivers 275.33
My Heaven Bench 2.5 no problem going with plants Tessellation Extreme. But in games all the issues decided by show of small stresses on 2 position. MSI have solved this problem for releasing their new GTX 570 OC BIOS with a rated voltage of 0.975 and all is normal. And for those who have cards from other NVIDIA partners who did not deign to release a new BIOS to display the voltage manually. So 0.025v solves this problem. And hardly a thing of the drivers.



P.S. Drivers 275.33

CPU: Intel Core i5-750 [2.66-3.2 GHz]
MB: ASUS P7P55D-E (bios v1601)
RAM: 2x2Gb HyperX [1333MHz]
GPU: Gigabyte GTX 770 WF3X OC
Drive: Crucial M4 64Gb + WD 2Tb Green
PSU: CoolerMaster RealPower M620 (620W)
Monitor: Dell U2311H
OS: Windows 7 SP1 x64
Driver: whql

#15
Posted 07/08/2011 07:28 PM   
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