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Spiky polygons glitch - with video proof!


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#1
lhaymehr

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Managed to capture the spiky polygons glitch finally. This is haunting me through three versions of the game already. Original and two patches. I'm now on 1.02 version, still persists and I still haven't managed to finish the game from all the constant crashing lagging and glitching.

I still have hope this will be resolved in a future patch. In any case, here's the link to the video, More tech info is in the video description and I'll edit this post tommorow morning with more details if neccessary.

// Edit

I had this issue years before on 5900XT and it does look like an overheating problem. However Dragon Age is the only game that displays this kind of artifacts on this relatively new 8800GT I have. It's a dual slot "Gainward bliss 8800GT" videocard with a huge heatsink. The fan has an automatic speed control and it's at 33% most of the time. I tried putting it to 100% but this still occurs in DA even though judging by the noise the fan runs considerably faster. The GPU temp is somewhere around 58°C on idle and goes to about 65°C on full load. I also have two 12cm system fans that keep the temps inside the case at around 35°C.

The card is NOT overclocked: 650Mhz GPU, 900MHz core.

Watch video on YouTube

Also, here's the copy paste from the video description on YouTube:

This
"spiky polygons" bug appears at seemingly random intervals. Alt-Tabing
fixes the problem, but not for long. It appears again, very shortly.
After making this glitch go away several times in a row by using
Alt-Tab without restarting the game I can expect an imminent BSOD
reporting a crash in nVidia display driver - nv4_disp.dll.

Even
if the game doesn't cause the BSOD after these glitches, if I
successfully quit the game without a crash, opening a h264 video
rendered by a GPU accelerated decoder will surely BSOD my otherwise
truly stable and up to date PC.

This isn't the only glitch I
encountered in Dragon Age. The others being a random Access Violation
crashes during dialogues, some crashes that appear "out-of-the-blue"
for no apparent reason, also reporting an Access Violation, and another
being a flicker that appears on some visual FX using semi-transparent
materials that start to flicker after I level up.

The PC config this occurs on is:
AMD dual core Athlon @ 2x2700 MHz
2 gigs of 800MHz RAM
nVidia 8800GT

Modifié par lhaymehr, 30 décembre 2009 - 11:40 .


#2
cblbrb

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Is your videocard overclocked? I had to clock mine down to get this stuff to go away.

#3
Belial5221

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It's definitely a videocard issue.Looks like the card is overheating,whether from overclocking,or jsut from the case getting too hot inside.Do other high end games do the same thing?

#4
Psychoeva02

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Dragon Age seems to artifact from overclocking more than any other game especially with multi GPU rendering. DA screws up with my usually stable overclock even when the temps are stable, when crysis has never had an issue with it at all. Maybe when the memory leaks and such are patched out it will be more stable..

Modifié par Psychoeva02, 30 décembre 2009 - 05:32 .


#5
Caerdewyn

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If you got a Nvidia Card , download EVGA_Precision_1.8.1 , check osd and you can monitor all from Gpu temp to Fps ingame(works with most nvidia cards , not only evga ones)

This really sounds like a overheated Gcard..

brgds

#6
lizardglenn

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Try using something like Riva Tuner  & get hardware monitoring to run while you play it will at least let you see if it is temp related i like to use it to keep an eye on lots of little things  it's even more important now that its Summer here,  
Posted Image
what card is it & what %/speed do you bump the fan on your videocard when you game ?
even if you think the temps are ok the memory chips on the card can be hot not just the core & give probs
many have no heatsinks on the mem at all which is the way manufacturers save $$ 

Modifié par lizardglenn, 30 décembre 2009 - 06:16 .


#7
lizardglenn

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sorry meant to edit the above post hit quote instead

Modifié par lizardglenn, 30 décembre 2009 - 06:17 .


#8
Herethos

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Have you tried other nvidia drivers?

Also more information about your system wouldn't hurt.

#9
lhaymehr

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Well, thanks for your replies guys. I don't have these problems with other games on this card. Not Crysis, unreal engine games or others with higher requirements. DA seems to be the only one. It does look like an overheating issue even from my experience but I don't want to be underclocking my card below its factory defaults for one game while it works absolutely amazing in others.



Who knows, maybe it gets fixed in a future patch :)

#10
Gorath Alpha

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Sorry. That's not how such things work in the real world.

Should that have gone over your head, it's like this: if your video card gets too hot, that is because some aspect of the video card is now defective.  Comparing other games is totally non-significant.  Fix the card, repair it, replace it, put new paste under the heatsink, whatever it takes, but never expect software to repair a hardware problem.

Simple.

G

Modifié par Gorath Alpha, 30 décembre 2009 - 02:55 .


#11
lhaymehr

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Thank you for that remark Gorath Alpha.



Also, here's some monitoring data captured with RivaTuner.



Posted Image

#12
Herethos

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I have a 8800GT as well with same clocks and ram as you from what I can tell, and I experience no such glitches in games or in DA:O And I've tried alot of different driver versions, it runs stable on all except for some stuttering and lower fps with some versions mainly the newer drivers.

Hmm notice the video memory usage it hits 562mb is that when the plygon glitch happens?
Whats your OS btw?

Modifié par Herethos, 30 décembre 2009 - 03:35 .


#13
Ebb43

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My 9800GT has the exact same problem unless I set the graphics to low quality.

#14
casadechrisso

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I played DA two times with a standard 8800GT and the game ran flawlessly and smooth as silk with highest settings and 2x AA. A week later the card died with overheat symptoms while playing NWN2 though... maybe DA:O's poison slowly working it's way through the card's semiconductors...?

#15
lhaymehr

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I doubt it's a video memory problem. If I disable AntiAliasing noticeably less vidmem is used yet the problem still occurs. The OS is XPSP3.

@Ebb43: 9800GT and 8800GT are basically the exact same hardware so..nothing strange there. I've read reports of this problem on the web and it looks like all the people having this issue have the G92 chip - the newer 8800 and first batch of 9800.

So basically certain engines use hardware in specific ways which are more stressful to certain hardware combinations. It's just a crying shame that it has to be Dragon Age and my beloved nVidia card. It's the first game in a long time (since Mass Effect really :) ) that I really want to enjoy but cant.

I underclocked the card now by 50MHz and this specific problem stopped occurring. Now for those random crashes...

So, I hope this data helps Bioware techies in some way. Thanks for your replies guys.

Modifié par lhaymehr, 30 décembre 2009 - 04:04 .


#16
K80_254

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Hi--I had the same 'polygon' problem playing Dragon Age on my 2 year old MBP with a 8600M GT video card. I updated my drivers, opened up my case and cleaned my fan, even bought a cooling pad and still had the same problem. BUT, then I disabled PhysX on my video card on my NVDIA Control Panel and never had Dragon Age crash on me again. Before this it was crashing every half hour and after I'd save/quit my computer would crash and shut down.

#17
MOTpoetryION

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For me the game started out running ok i guess keeping in mind the way it first was on release. i had have a few warnings that the game was trying to use memory in the wrong way . wasnt suposed to be useing that memory at all. Then for about a week and half i started getting a really high pitch "cheerp" and it freezes the computer up. IMO its a very badly coded game . and it seems like the patches need patches. im not to impressed on that aspect of the game . ive never seen a game max the cpu at 100 just from the start screen. and they have replyed "oh thats normal".

Um FYI no its not , ive owned games starting with the commador64, and have never seen that before ever. Sorry bioware but it appears that dEAd has corrupted you guys. Hangs his head and offers a prayer for yet another fallen dev. Knowing it will only get worse with dEAd involved...sigh

Edit: strange the only other game i have ever seen the polygons . Just so happens to be a dEAd game as well it was battlefield 2143 . coincedence ?
 

Modifié par MOTpoetryION, 17 février 2010 - 06:05 .