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Stutters and lag from nvlddmkm.sys, ntoskrnl.sys and dxgkrnl.sys

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#21 ·
Netarangi said:
Yep they are in a2 b2, 61.9 latency
Click to expand...
Then, doubt that is the issue here. Did you install Geforce Experience along with the driver? How about Ryzen Master?

I suggest to look elsewhere for a solution and keep your RAM settings for now.

When you game let HWINFO run in the background. After about half hour or so, take a screenshot of HWINFO like so . . .

EDIT: I just noticed my GPU's hotspot is up there. lol
 

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Discussion starter · #22 ·
rdr09 said:
Then, doubt that is the issue here. Did you install Geforce Experience along with the driver? How about Ryzen Master?

I suggest to look elsewhere for a solution and keep your RAM settings for now.

When you game let HWINFO run in the background. After about half hour or so, take a screenshot of HWINFO like so . . .

EDIT: I just noticed my GPU's hotspot is up there. lol
Click to expand...
Didn’t install GeForce experience, Ryzen master is a no too.
 
#23 · (Edited)
nvlddmkm.sys, ntoskrnl.sys and dxgkrnl.sys
All correlate to one another in Win10.
nvlddmkm.sys = nvidia
dxgkrnl.sys = DirectX Graphics Kernel
ntoskrnl.sys = Windows NT operating system kernel executable

So in other words there are i/o and interrupt spikes that are in combination of nvidia's drivers operating MS's DirectX Graphics Kernel when using Windows NT operating system kernel executable.

It has nothing to do with anything else unless there is some other driver you didn't mention. We know that the Dx Graphics kernel and system kernel are necessary to run win10. And, do function correctly in win10. The common denominator is the nvidia driver causing hiccups with the other 2.

So, you should uninstall that driver. Try a newer or older driver. But do research 1st to find a fix that specifically addresses either directx or stuttering.
 
Discussion starter · #24 ·
EastCoast said:
nvlddmkm.sys, ntoskrnl.sys and dxgkrnl.sys
All correlate to one another inw Win10.
nvlddmkm.sys = nvidia
dxgkrnl.sys = DirectX Graphics Kernel
ntoskrnl.sys = Windows NT operating system kernel executable

So in other words there are i/o and interrupt spikes that are in combination of nvidia's drivers operating MS's DirectX Graphics Kernel when using Windows NT operating system kernel executable.

It has nothing to do with anything else unless there is some other driver you didn't mention. We know that the Dx Graphics kernel and system kernel are necessary to run win10. And, do function correctly in win10. The common denominator is the nvidia driver causing hiccups with the other 2.

So, you should uninstall that driver. Try a newer or older driver. But do research 1st to find a fix that specifically addresses either directx or stuttering.
Click to expand...
If I post a windows performance analyser file would you be able to look at the drivers?
 
#26 ·
Try disablingMPO:

NVIDIA Support

nvidia.custhelp.com nvidia.custhelp.com
U can read it gives DPC spikes:
 
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#28 ·
Netarangi said:
Hi all,

Been dealing with this issue since I got my 3070 in may last year.

I’ll have random occasional stutters when opening things on desktop and insane stutters in some particular games. Battlefield V and Borderlands are heavily effected with stuttering every time something new loads in. Other games are stuttering too but some run smooth as butter.

Ryzen 5600x
Gigabyte OC Gaming 3070
Gigabyte x570 Auros Elite Wifi
Windows 10 21H1
G.Skill Trident Z Neo RGB 16GB DDR4 3600MHz CL18 (Running DOCP 3600mhz 18-20-20-20)
MX500 512GB SSD
Samsung Evo 870 1TB
EVGA 700 GD 700W 80+ Gold Power supply

I have recently upgraded the motherboard and my latency has dropped significantly when just sitting on desktop (it’s 25-50us vs my original 500us) but still spikes to 500-1000 every 10 seconds or so. I’ve had a look in windows performance analyser and the DPC/ISRs are coming from the .sys drivers in the title.

I have replaced ram twice, cpu, tried another nvidia gpu (known to be good), new motherboard, reinstalled multiple versions of windows and it’s still there.
Click to expand...
could be a few things, some drivers are better than others and some drivers may have latency bugs

a good start would be IRQ mode & priority (there are other things to tweak for low latency)

this is pretty much the best config for a low latency / gaming system
audio & gpu normal priority and the rest Low (doesn't affect performance on those)

This should help, because during data load the nvme / sata are generating too many request.


2517436
 
Discussion starter · #29 ·
des2k... said:
could be a few things, some drivers are better than others and some drivers may have latency bugs

a good start would be IRQ mode & priority (there are other things to tweak for low latency)

this is pretty much the best config for a low latency / gaming system
audio & gpu normal priority and the rest Low (doesn't affect performance on those)


View attachment 2517436
Click to expand...
Awesome thanks for posting that! I’ve been wondering what ideal settings I should use for this tool
 
#30 ·
Netarangi said:
Awesome thanks for posting that! I’ve been wondering what ideal settings I should use for this tool
Click to expand...
Have you tried an older driver? Got 461 on my 1660, 1660 Super and 1060. No issues.
 
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rdr09
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