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DPC Latency keeps increasing in games and causes audio cracking - Page 2

post #11 of 17
Your best bet is to experiment with drivers, even try modded drivers such as XG.
This has plagued NV for awhile now, most recently it seems the 460/560 cards are most affected.
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post #12 of 17
Quote:
Originally Posted by SFJake View Post

Well, when I brought it to a nearby shop to get my cmos issue fixed, he supposedly checked the computer out and he said all parts were fine, no damage was done. And now its running at great temperatures. If there is one thing I'm sure of right now, its that temperatures is not the issue.
Never heard of prime95, I'll give it a look.

Prime 95 is basically a program that works out your memory, cpu and motherboard at 100%. It is a program overclockers use to make sure their CPUs are 100% stable. I forget the GPU equivilent to prime 95, but there are some out there that will give your gpu a nice work out and you should be able to find out pretty quick if its hardware or software related.

Although it isn't likely, it is possible the guy you took your computer to overlooked something. How long ago did you take you computer to him?
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post #13 of 17
Thread Starter 
Quote:
Originally Posted by xtreme-one View Post

Prime 95 is basically a program that works out your memory, cpu and motherboard at 100%. It is a program overclockers use to make sure their CPUs are 100% stable. I forget the GPU equivilent to prime 95, but there are some out there that will give your gpu a nice work out and you should be able to find out pretty quick if its hardware or software related.
Although it isn't likely, it is possible the guy you took your computer to overlooked something. How long ago did you take you computer to him?

Yesterday tongue.gif
Quote:
Originally Posted by grunion View Post

Your best bet is to experiment with drivers, even try modded drivers such as XG.
This has plagued NV for awhile now, most recently it seems the 460/560 cards are most affected.

I have seen a lot of reports around those cards with DPC latency issue yes, but most people speaks of latency spikes. I have seen literally 0 post everywhere I looked that had their latency increase overtime, and only when playing certain games/intensive games.
post #14 of 17
Alright so the issue was not caused by having the computer there. Like I said man, just call the manufacturer of the graphics card or the motherboard and tell them your problem. Last time I built my computer the memory controller on my MoBo was bad (DoA) and when I made a thread asking the question here on OCN people were telling me all sorts of possible causes ( until my call to gigabyte I had no idea what the issue was..), but nothing helped. 15 minutes on the phone with gigabyte and I had a new MoBo coming. Because you have had the stuff for 8 months you might have to buy a new part, but at least you will know the issue and be able to track it down (that is all relative IF they can give you an idea on your problem)
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post #15 of 17
Thread Starter 
Holy crap.

I'm afraid I have been mostly wasting your time. I have found the problem. And fixed it.


I stumbled upon this little post: http://www.msfn.org/board/topic/140263-how-to-get-the-cause-of-high-cpu-usage-by-dpc-interrupt/

Wish I found that sooner. The process is intimidating but easy to do. I waited until the DPC Latency was very high, and followed what that guy says to find the cause.

What was it? Vjoy.sys. Something nobody could have found but me. Its a random program I used to have a virtual joystick. That lonely, simple driver was completely broken and was causing my problems, causing ridiculous amount of latency. I have no idea why it was doing this only when playing certain games, and only over time.

Its complete non sense, I tell you. But next time anyone has any sort of problem with their DPC Latency, I'd say just point them to that topic. Its quickly done (under 10 minutes) and its all the information you should ever need to fix this, I would think, as long as its a software issue.


I should have seen it earlier, I did try to remove stuff from the device manager one by one, however removing that one needed a reboot, and since it takes 30+ minutes to get to the problem, I only tested the "likely" ones. I never guessed in a million years that VJoy was the cause. Still, my fault.

Thanks for all the help anyway!
Edited by SFJake - 3/10/12 at 5:47pm
post #16 of 17
Good to know you solved your problem! Well done! smile.gif
    
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post #17 of 17
Awesome man! I guess my OP wasnt too far off then.
Glad to hear your back and rocking, dont waste too much like on gaming tongue.gif
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