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Subtle micro-stutter, input lag, floaty mouse feel - computer feels off

Mussels

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System Name Rainbow Sparkles
Processor Ryzen R7 5800X
Motherboard Asus x570 Gaming-F
Cooling EK 240mm RGB AIO | Custom 280mm EK loop
Memory 64GB DDR4 3600 Corsair Vengeance RGB @ 3800 C16
Video Card(s) Galax RTX 3090 SG 24GB (0.8v 1.8GHz) - EK ARGB block
Storage 1TB Sasmsung 970 Pro NVME + 500GB 850 Evo
Display(s) Gigabyte G32QC + Phillips 328m6fjrmb (32" 1440p 165Hz/144Hz curved )
Case Fractal Design R6
Audio Device(s) Razer Leviathan + Corsair Void pro RGB, Blue Yeti mic
Power Supply Corsair HX 750i (Platinum, fan off til 300W)
Mouse Logitech G Pro wireless + Steelseries Prisma XL
Keyboard Razer Huntsman TE
Software Windows 10 pro x64 (all systems)
Benchmark Scores Lots of RGB, so you know it's fast.
Okay so if everythings ruled out except the video card driver at this stage, we need to focus on the physical GPU, its driver, or some physical shenanigans (overheating? slot issue? power issue? monitor??)
 
Last edited:
Joined
Mar 24, 2021
Messages
28 (0.93/day)
System Name High end PC build
Processor AMD Ryzen 7 5800X 3.8GHz box, 8 cores, 16 threads
Motherboard ASUS TUF GAMING B550-PLUS
Cooling Noctua NH-D14
Memory Corsair Vengeance LPX Black 32GB DDR4 3600MHz CL18 Dual Channel Kit (CMK32GX4M2D3600C18)
Video Card(s) GIGABYTE GeForce RTX 3080 GAMING OC 10GB GDDR6X 320-bit
Storage 1x 120GB SSD for OS, 1x 1TB M2 SSD only for games, 2x 2TB HDD for random storage
Display(s) ASUS TUF LED VA curved, 1440p, 27", 165hz, Free-Sync, VG27WQ1B, connected via DisplayPort (Primary);
Case Gamemax Silent Max
Audio Device(s) HyperX Cloud Flight, stereo, USB, Wireless
Power Supply Corsair RM850 2019, 80+ Gold, 850W, Full Modular
Mouse Logitech G502 LIGHTSPEED WIRELESS GAMING MOUSE
Keyboard Logitech G PRO
Software Windows 10 Pro 20H2 19042.870, Nvidia Game Ready 461.92, latest BIOS
Good thing you mentioned. You must now search for that. You can develop on that question, however you aren't giving any leads on that. This is an issue you can solve on your own. Do an internet search. Don't leave it unresolved. There are many forums specialized on many topics, you aren't alone in your quandry. Somebody must have answers, just look over them. Everybody isn't experienced in it, but somebody definitely is. These aren't limited hardware.

I don't want to say it could be a cpu spike, or gpu but you can find leads in the internet. You already have the causative driver. You have already solved the hard part.
I'm pasting the LatencyMon report below. I have already did my own research but nothing seems to help - I have checked for driver conflicts, IRQ conflicts, tried to set my gpu on MSI (even if it was already set). I have tried disabling different services and processes to no avail. I also ran performance monitor to monitor processes' processor time and I got spikes from things like System, svchost and some I don't remember now, but every time I googled those they were related to things like Windows Update or Windows defender or notifications, which in time I disabled them all and that made no difference.
_________________________________________________________________________________________________________
CONCLUSION
_________________________________________________________________________________________________________
Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns appearing as drop outs, clicks or pops. One or more DPC routines that belong to a driver running in your system appear to be executing for too long. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
LatencyMon has been analyzing your system for 0:07:03 (h:mm:ss) on all processors.


_________________________________________________________________________________________________________
SYSTEM INFORMATION
_________________________________________________________________________________________________________
Computer name: DESKTOP-I7IOMGJ
OS version: Windows 10, 10.0, version 2009, build: 19042 (x64)
Hardware: System Product Name, ASUS
CPU: AuthenticAMD AMD Ryzen 7 5800X 8-Core Processor
Logical processors: 16
Processor groups: 1
RAM: 32679 MB total


_________________________________________________________________________________________________________
CPU SPEED
_________________________________________________________________________________________________________
Reported CPU speed: 380 MHz

Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.


_________________________________________________________________________________________________________
MEASURED INTERRUPT TO USER PROCESS LATENCIES
_________________________________________________________________________________________________________
The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.

Highest measured interrupt to process latency (µs): 177.10
Average measured interrupt to process latency (µs): 3.956467

Highest measured interrupt to DPC latency (µs): 174.90
Average measured interrupt to DPC latency (µs): 1.523748


_________________________________________________________________________________________________________
REPORTED ISRs
_________________________________________________________________________________________________________
Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.

Highest ISR routine execution time (µs): 65.130
Driver with highest ISR routine execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

Highest reported total ISR routine time (%): 0.001371
Driver with highest ISR total time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

Total time spent in ISRs (%) 0.001371

ISR count (execution time <250 µs): 219953
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-1000 µs): 0
ISR count (execution time 1000-2000 µs): 0
ISR count (execution time 2000-4000 µs): 0
ISR count (execution time >=4000 µs): 0


_________________________________________________________________________________________________________
REPORTED DPCs
_________________________________________________________________________________________________________
DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.

Highest DPC routine execution time (µs): 2292.20
Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 465.89 , NVIDIA Corporation

Highest reported total DPC routine time (%): 0.051274
Driver with highest DPC total execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Total time spent in DPCs (%) 0.127444

DPC count (execution time <250 µs): 911345
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-10000 µs): 2
DPC count (execution time 1000-2000 µs): 0
DPC count (execution time 2000-4000 µs): 3
DPC count (execution time >=4000 µs): 0


_________________________________________________________________________________________________________
REPORTED HARD PAGEFAULTS
_________________________________________________________________________________________________________
Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.

NOTE: some processes were hit by hard pagefaults. If these were programs producing audio, they are likely to interrupt the audio stream resulting in dropouts, clicks and pops. Check the Processes tab to see which programs were hit.

Process with highest pagefault count: svchost.exe

Total number of hard pagefaults 81
Hard pagefault count of hardest hit process: 42
Number of processes hit: 8


_________________________________________________________________________________________________________
PER CPU DATA
_________________________________________________________________________________________________________
CPU 0 Interrupt cycle time (s): 23.034534
CPU 0 ISR highest execution time (µs): 65.130
CPU 0 ISR total execution time (s): 0.006251
CPU 0 ISR count: 12603
CPU 0 DPC highest execution time (µs): 2292.20
CPU 0 DPC total execution time (s): 7.310527
CPU 0 DPC count: 747527
_________________________________________________________________________________________________________
CPU 1 Interrupt cycle time (s): 4.475185
CPU 1 ISR highest execution time (µs): 4.230
CPU 1 ISR total execution time (s): 0.064611
CPU 1 ISR count: 140060
CPU 1 DPC highest execution time (µs): 40.360
CPU 1 DPC total execution time (s): 1.241748
CPU 1 DPC count: 146040
_________________________________________________________________________________________________________
CPU 2 Interrupt cycle time (s): 0.864979
CPU 2 ISR highest execution time (µs): 1.560
CPU 2 ISR total execution time (s): 0.000063
CPU 2 ISR count: 78
CPU 2 DPC highest execution time (µs): 29.880
CPU 2 DPC total execution time (s): 0.008222
CPU 2 DPC count: 2661
_________________________________________________________________________________________________________
CPU 3 Interrupt cycle time (s): 0.742955
CPU 3 ISR highest execution time (µs): 0.0
CPU 3 ISR total execution time (s): 0.0
CPU 3 ISR count: 0
CPU 3 DPC highest execution time (µs): 33.610
CPU 3 DPC total execution time (s): 0.002963
CPU 3 DPC count: 857
_________________________________________________________________________________________________________
CPU 4 Interrupt cycle time (s): 1.010951
CPU 4 ISR highest execution time (µs): 0.0
CPU 4 ISR total execution time (s): 0.0
CPU 4 ISR count: 0
CPU 4 DPC highest execution time (µs): 18.890
CPU 4 DPC total execution time (s): 0.000329
CPU 4 DPC count: 158
_________________________________________________________________________________________________________
CPU 5 Interrupt cycle time (s): 0.592188
CPU 5 ISR highest execution time (µs): 0.0
CPU 5 ISR total execution time (s): 0.0
CPU 5 ISR count: 0
CPU 5 DPC highest execution time (µs): 11.550
CPU 5 DPC total execution time (s): 0.000083
CPU 5 DPC count: 39
_________________________________________________________________________________________________________
CPU 6 Interrupt cycle time (s): 1.011074
CPU 6 ISR highest execution time (µs): 0.0
CPU 6 ISR total execution time (s): 0.0
CPU 6 ISR count: 0
CPU 6 DPC highest execution time (µs): 25.480
CPU 6 DPC total execution time (s): 0.000455
CPU 6 DPC count: 286
_________________________________________________________________________________________________________
CPU 7 Interrupt cycle time (s): 0.531419
CPU 7 ISR highest execution time (µs): 0.0
CPU 7 ISR total execution time (s): 0.0
CPU 7 ISR count: 0
CPU 7 DPC highest execution time (µs): 7.720
CPU 7 DPC total execution time (s): 0.000045
CPU 7 DPC count: 21
_________________________________________________________________________________________________________
CPU 8 Interrupt cycle time (s): 1.116551
CPU 8 ISR highest execution time (µs): 0.0
CPU 8 ISR total execution time (s): 0.0
CPU 8 ISR count: 0
CPU 8 DPC highest execution time (µs): 24.140
CPU 8 DPC total execution time (s): 0.002563
CPU 8 DPC count: 849
_________________________________________________________________________________________________________
CPU 9 Interrupt cycle time (s): 0.604834
CPU 9 ISR highest execution time (µs): 0.0
CPU 9 ISR total execution time (s): 0.0
CPU 9 ISR count: 0
CPU 9 DPC highest execution time (µs): 32.990
CPU 9 DPC total execution time (s): 0.000653
CPU 9 DPC count: 223
_________________________________________________________________________________________________________
CPU 10 Interrupt cycle time (s): 0.906328
CPU 10 ISR highest execution time (µs): 0.0
CPU 10 ISR total execution time (s): 0.0
CPU 10 ISR count: 0
CPU 10 DPC highest execution time (µs): 29.630
CPU 10 DPC total execution time (s): 0.000233
CPU 10 DPC count: 70
_________________________________________________________________________________________________________
CPU 11 Interrupt cycle time (s): 0.422125
CPU 11 ISR highest execution time (µs): 0.0
CPU 11 ISR total execution time (s): 0.0
CPU 11 ISR count: 0
CPU 11 DPC highest execution time (µs): 14.10
CPU 11 DPC total execution time (s): 0.000048
CPU 11 DPC count: 30
_________________________________________________________________________________________________________
CPU 12 Interrupt cycle time (s): 1.876575
CPU 12 ISR highest execution time (µs): 4.450
CPU 12 ISR total execution time (s): 0.017214
CPU 12 ISR count: 52285
CPU 12 DPC highest execution time (µs): 110.140
CPU 12 DPC total execution time (s): 0.043747
CPU 12 DPC count: 9489
_________________________________________________________________________________________________________
CPU 13 Interrupt cycle time (s): 1.212107
CPU 13 ISR highest execution time (µs): 1.370
CPU 13 ISR total execution time (s): 0.000942
CPU 13 ISR count: 2377
CPU 13 DPC highest execution time (µs): 35.790
CPU 13 DPC total execution time (s): 0.009720
CPU 13 DPC count: 1889
_________________________________________________________________________________________________________
CPU 14 Interrupt cycle time (s): 1.023498
CPU 14 ISR highest execution time (µs): 1.40
CPU 14 ISR total execution time (s): 0.001419
CPU 14 ISR count: 4737
CPU 14 DPC highest execution time (µs): 41.950
CPU 14 DPC total execution time (s): 0.002807
CPU 14 DPC count: 598
_________________________________________________________________________________________________________
CPU 15 Interrupt cycle time (s): 0.662536
CPU 15 ISR highest execution time (µs): 1.750
CPU 15 ISR total execution time (s): 0.002275
CPU 15 ISR count: 7813
CPU 15 DPC highest execution time (µs): 46.190
CPU 15 DPC total execution time (s): 0.003217
CPU 15 DPC count: 613
_________________________________________________________________________________________________________

Okay so if everythings ruled out except the video card driver at this stage, we need to focus on the physical GPU, its driver, or some physical shenanigans (overheating? slot issue? power issue?)
I agree - but I'm not sure, as I tried my GPU in another system and there were no stutters there with the same (latest) nvidia drivers. I also went through all drivers since the first came out for 3080 and the issue persists. The GPU doesn't really gets hot, you can see temperature in the screenshots I posted. I also tried changing its PCIe slot from the current PCIe 4 to a lower one PCIe 3 which just caused a loss of performance and didn't fix the stutters. I have 2 different power cables connected to it as well as I tried with different cables and a different PSU.

But I'm ready to test anything you guys suggest so that we can rule them out together.
 

Mussels

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Joined
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Messages
49,639 (8.21/day)
Location
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System Name Rainbow Sparkles
Processor Ryzen R7 5800X
Motherboard Asus x570 Gaming-F
Cooling EK 240mm RGB AIO | Custom 280mm EK loop
Memory 64GB DDR4 3600 Corsair Vengeance RGB @ 3800 C16
Video Card(s) Galax RTX 3090 SG 24GB (0.8v 1.8GHz) - EK ARGB block
Storage 1TB Sasmsung 970 Pro NVME + 500GB 850 Evo
Display(s) Gigabyte G32QC + Phillips 328m6fjrmb (32" 1440p 165Hz/144Hz curved )
Case Fractal Design R6
Audio Device(s) Razer Leviathan + Corsair Void pro RGB, Blue Yeti mic
Power Supply Corsair HX 750i (Platinum, fan off til 300W)
Mouse Logitech G Pro wireless + Steelseries Prisma XL
Keyboard Razer Huntsman TE
Software Windows 10 pro x64 (all systems)
Benchmark Scores Lots of RGB, so you know it's fast.
I'm pasting the LatencyMon report below. I have already did my own research but nothing seems to help - I have checked for driver conflicts, IRQ conflicts, tried to set my gpu on MSI (even if it was already set). I have tried disabling different services and processes to no avail. I also ran performance monitor to monitor processes' processor time and I got spikes from things like System, svchost and some I don't remember now, but every time I googled those they were related to things like Windows Update or Windows defender or notifications, which in time I disabled them all and that made no difference.



I agree - but I'm not sure, as I tried my GPU in another system and there were no stutters there with the same (latest) nvidia drivers. I also went through all drivers since the first came out for 3080 and the issue persists. The GPU doesn't really gets hot, you can see temperature in the screenshots I posted. I also tried changing its PCIe slot from the current PCIe 4 to a lower one PCIe 3 which just caused a loss of performance and didn't fix the stutters. I have 2 different power cables connected to it as well as I tried with different cables and a different PSU.

But I'm ready to test anything you guys suggest so that we can rule them out together.
thats why i said shenaninanigans: whats different to the friends PC?
Are you using a PCI-E riser? shitty extension cables? a bad PSU?
Does your system have really really bad heating issues?

show us pics of the PC all together, if it hasnt been asked for earlier in the thread i'm not sure why
 
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thats why i said shenaninanigans: whats different to the friends PC?
Are you using a PCI-E riser? shitty extension cables? a bad PSU?
Does your system have really really bad heating issues?

show us pics of the PC all together, if it hasnt been asked for earlier in the thread i'm not sure why
There is a whole host of things we could displace the subject to, however he already has the name of the offending driver. He just has to make a search for that. I mean, people at hw unboxed have dealt with much subtler issues and have identified nvidia thread optimisation, or the 3770 lag. There is none of those here, but I may be overlooking them. That is why I said he needs specialized troubleshooting which none of us could help with in this case.
 
Joined
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Messages
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System Name High end PC build
Processor AMD Ryzen 7 5800X 3.8GHz box, 8 cores, 16 threads
Motherboard ASUS TUF GAMING B550-PLUS
Cooling Noctua NH-D14
Memory Corsair Vengeance LPX Black 32GB DDR4 3600MHz CL18 Dual Channel Kit (CMK32GX4M2D3600C18)
Video Card(s) GIGABYTE GeForce RTX 3080 GAMING OC 10GB GDDR6X 320-bit
Storage 1x 120GB SSD for OS, 1x 1TB M2 SSD only for games, 2x 2TB HDD for random storage
Display(s) ASUS TUF LED VA curved, 1440p, 27", 165hz, Free-Sync, VG27WQ1B, connected via DisplayPort (Primary);
Case Gamemax Silent Max
Audio Device(s) HyperX Cloud Flight, stereo, USB, Wireless
Power Supply Corsair RM850 2019, 80+ Gold, 850W, Full Modular
Mouse Logitech G502 LIGHTSPEED WIRELESS GAMING MOUSE
Keyboard Logitech G PRO
Software Windows 10 Pro 20H2 19042.870, Nvidia Game Ready 461.92, latest BIOS
thats why i said shenaninanigans: whats different to the friends PC?
Are you using a PCI-E riser? shitty extension cables? a bad PSU?
Does your system have really really bad heating issues?

show us pics of the PC all together, if it hasnt been asked for earlier in the thread i'm not sure why
I'll post below the differences. With pictures I will come back later as I can't take it out right now.
My PCHis PC
CPU: AMD Ryzen 7 5800xCPU: AMD Ryzen 7 5800x
Motherboard: Asus TUF Gaming B550-PLUSMotherboard: Asus TUF Gaming B550-PLUS
GPU: GIGABYTE GeForce RTX 3080 GAMING OC 10GB GDDR6X 320-bitGPU: GIGABYTE GeForce RTX 3080 VISION OC 10GB GDDR6X 320-bit
RAM: Corsair Vengeance LPX Black 32GB DDR4 3600MHz CL18 Dual Channel Kit (CMK32GX4M2D3600C18)RAM: Corsair Vengeance LPX Black 16GB DDR4 3200MHz CL16 Dual Channel Kit (CMK16GX4M2E3200C16) x2
Cooling: Noctua NH-D14Cooling: Cooler CPU NZXT Kraken X73
PSU: Corsair RM850 2019, 80+ Gold, 850W, Full Modular (also tried his model for a week - same)PSU: Super Flower Leadex III Gold, 80+ Gold, 850W
Case: Mid TowerCase: Full Tower (don't know the exact model)
Storage: 1x 120GB SATA SSD for OS, 1x 1TB M2 SSD only for games, 2x 2TB HDD for random storageStorage: 1x 1TB M2 SSD for OS and games only
Mouse: Logitech G502 LIGHTSPEED WIRELESS GAMING MOUSEMouse: Logitech G502 LIGHTSPEED WIRELESS GAMING MOUSE
Keyboard: Logitech G PROKeyboard: Logitech G910
Audio device(s): HyperX Cloud Flight, stereo, USB, Wireless; Logitech 5.1 Z906 speakersAudio device: Logitech G635
OS: Same Windows 10 pro latest updates, latest build, latest versionOS: Same Windows 10 pro latest updates, latest build, latest version
Edit: also temperatures seem fine to me. Doesn't really look like I have any temp spike that could cause throttling. Even when running prime95 which pushes the CPU to the highest temperatures I don't have stutter outside games

There is a whole host of things we could displace the subject to, however he already has the name of the offending driver. He just has to make a search for that. I mean, people at hw unboxed have dealt with much subtler issues and have identified nvidia thread optimisation, or the 3770 lag. There is none of those here, but I may be overlooking them. That is why I said he needs specialized troubleshooting which none of us could help with in this case.
I also tried disabling nvidia options such as threaded optimization and a bunch of others and the result is the same. I actually talked about this with nvidia customer support and basically they told me since I tried my gpu in another system is not Nvidia's fault and the DPC latency could be cause by other driver and be shown by latencymon as a side effect. Should I take it back to them and ask for level2 support or another look?
 

Mussels

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Staff member
Joined
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Messages
49,639 (8.21/day)
Location
Australalalalalaia.
System Name Rainbow Sparkles
Processor Ryzen R7 5800X
Motherboard Asus x570 Gaming-F
Cooling EK 240mm RGB AIO | Custom 280mm EK loop
Memory 64GB DDR4 3600 Corsair Vengeance RGB @ 3800 C16
Video Card(s) Galax RTX 3090 SG 24GB (0.8v 1.8GHz) - EK ARGB block
Storage 1TB Sasmsung 970 Pro NVME + 500GB 850 Evo
Display(s) Gigabyte G32QC + Phillips 328m6fjrmb (32" 1440p 165Hz/144Hz curved )
Case Fractal Design R6
Audio Device(s) Razer Leviathan + Corsair Void pro RGB, Blue Yeti mic
Power Supply Corsair HX 750i (Platinum, fan off til 300W)
Mouse Logitech G Pro wireless + Steelseries Prisma XL
Keyboard Razer Huntsman TE
Software Windows 10 pro x64 (all systems)
Benchmark Scores Lots of RGB, so you know it's fast.
nvidia cant help you, if it works fine in another PC it'll work in their test PC as well

that list of yours vs friends is actually helpful and rules out a bunch of stuff

What BIOS is yours on, vs friends?
What VBIOS is yours on, vs friends?
Your ram is at 3600 vs 3200, run 3200 and see if its an instability issue (corsair LPX is well known as being garbage on ryzen, but 3200 should be trouble free)

You havent mentioned a GPU riser yet, but thats a concern


lets check that list out and go from there
 
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I'll post below the differences. With pictures I will come back later as I can't take it out right now.
My PCHis PC
CPU: AMD Ryzen 7 5800xCPU: AMD Ryzen 7 5800x
Motherboard: Asus TUF Gaming B550-PLUSMotherboard: Asus TUF Gaming B550-PLUS
GPU: GIGABYTE GeForce RTX 3080 GAMING OC 10GB GDDR6X 320-bitGPU: GIGABYTE GeForce RTX 3080 VISION OC 10GB GDDR6X 320-bit
RAM: Corsair Vengeance LPX Black 32GB DDR4 3600MHz CL18 Dual Channel Kit (CMK32GX4M2D3600C18)RAM: Corsair Vengeance LPX Black 16GB DDR4 3200MHz CL16 Dual Channel Kit (CMK16GX4M2E3200C16) x2
Cooling: Noctua NH-D14Cooling: Cooler CPU NZXT Kraken X73
PSU: Corsair RM850 2019, 80+ Gold, 850W, Full Modular (also tried his model for a week - same)PSU: Super Flower Leadex III Gold, 80+ Gold, 850W
Case: Mid TowerCase: Full Tower (don't know the exact model)
Storage: 1x 120GB SATA SSD for OS, 1x 1TB M2 SSD only for games, 2x 2TB HDD for random storageStorage: 1x 1TB M2 SSD for OS and games only
Mouse: Logitech G502 LIGHTSPEED WIRELESS GAMING MOUSEMouse: Logitech G502 LIGHTSPEED WIRELESS GAMING MOUSE
Keyboard: Logitech G PROKeyboard: Logitech G910
Audio device(s): HyperX Cloud Flight, stereo, USB, Wireless; Logitech 5.1 Z906 speakersAudio device: Logitech G635
OS: Same Windows 10 pro latest updates, latest build, latest versionOS: Same Windows 10 pro latest updates, latest build, latest version
Edit: also temperatures seem fine to me. Doesn't really look like I have any temp spike that could cause throttling. Even when running prime95 which pushes the CPU to the highest temperatures I don't have stutter outside games


I also tried disabling nvidia options such as threaded optimization and a bunch of others and the result is the same. I actually talked about this with nvidia customer support and basically they told me since I tried my gpu in another system is not Nvidia's fault and the DPC latency could be cause by other driver and be shown by latencymon as a side effect. Should I take it back to them and ask for level2 support or another look?
I think you missed the post where I said the mouse could be the culprit in case you stored your profiles ON the mouse memory. Honestly, it seems like you aren't doing the deeds.
 
Joined
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Messages
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System Name High end PC build
Processor AMD Ryzen 7 5800X 3.8GHz box, 8 cores, 16 threads
Motherboard ASUS TUF GAMING B550-PLUS
Cooling Noctua NH-D14
Memory Corsair Vengeance LPX Black 32GB DDR4 3600MHz CL18 Dual Channel Kit (CMK32GX4M2D3600C18)
Video Card(s) GIGABYTE GeForce RTX 3080 GAMING OC 10GB GDDR6X 320-bit
Storage 1x 120GB SSD for OS, 1x 1TB M2 SSD only for games, 2x 2TB HDD for random storage
Display(s) ASUS TUF LED VA curved, 1440p, 27", 165hz, Free-Sync, VG27WQ1B, connected via DisplayPort (Primary);
Case Gamemax Silent Max
Audio Device(s) HyperX Cloud Flight, stereo, USB, Wireless
Power Supply Corsair RM850 2019, 80+ Gold, 850W, Full Modular
Mouse Logitech G502 LIGHTSPEED WIRELESS GAMING MOUSE
Keyboard Logitech G PRO
Software Windows 10 Pro 20H2 19042.870, Nvidia Game Ready 461.92, latest BIOS
nvidia cant help you, if it works fine in another PC it'll work in their test PC as well

that list of yours vs friends is actually helpful and rules out a bunch of stuff

What BIOS is yours on, vs friends?
What VBIOS is yours on, vs friends?
Your ram is at 3600 vs 3200, run 3200 and see if its an instability issue (corsair LPX is well known as being garbage on ryzen, but 3200 should be trouble free)

You havent mentioned a GPU riser yet, but thats a concern


lets check that list out and go from there
I understand, and actually my biggest fear of sending components to warranty is that it won't happen on other system or the tester won't notice it.
We both have the same BIOS, latest on https://www.asus.com/Motherboards-C...ll-series/TUF-GAMING-B550-PLUS/HelpDesk_BIOS/ , but I have tried with different versions as well. We usually let each other know when there's a new version and upgrade.
Same VBIOS - F1 . It was how the GPU came and none of us cared to update it. I don't think VBIOS could be faulty on mine since there was no stutter when I plugged it in in his system, right?
I tried running different frequencies from stock to 3000, 3200, 3600 and the one right before 3600 (something like 3580, read that a guy fixed it like that), as well as changing the CL from 18 to 16 and manually setting DOCP settings of 18-22-22-42-1.35V and manually setting it again to 16-18-18-36-1.35V, as well as rising the voltage to 1.37, 1.39 even 1.4, but none of these fixed it. I had no instability with all of them, system ran fine and I could play any game, I just had a small performance loss on some cases.
Yes! Sorry about the GPU riser - I do not have one, neither does my friend. The GPU is connected directly to motherboard in the PCIe 4 slot (closest to the CPU)

I think you missed the post where I said the mouse could be the culprit in case you stored your profiles ON the mouse memory. Honestly, it seems like you aren't doing the deeds.
Sorry about that! I do not have anything stored on mouse memory and neither on keyboard's. Everything was set through Logitech G Hub and now that I have uninstalled it I'm running them on stock settings I guess - no effects on keyboard, only a static red light and nothing on mouse, I changed the DPI to what I need though its buttons which are the stock settings anyways. I didn't use the G Hub to do much anyway, only some lighting effects on keyboard and macros - which don't work right now since I uninstalled it.
 

Mussels

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I think you missed the post where I said the mouse could be the culprit in case you stored your profiles ON the mouse memory. Honestly, it seems like you aren't doing the deeds.
man it'd be funny if it was a piece of hair over a mouse sensor or something, all we can do is go OCD through every single piece of hardware at this rate


hell take the entire PC, use friends mouse keyboard monitor power cords etc and see what happens
 
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man it'd be funny if it was a piece of hair over a mouse sensor or something, all we can do is go OCD through every single piece of hardware at this rate


hell take the entire PC, use friends mouse keyboard monitor power cords etc and see what happens
It's actually funny because someone suggested at some point that it could be dust particles on some circuits, like GPU PCIe slot or RAM slot or even CPU socket that could cause this funky thing when executing some operations. I cleaned the GPU and GPU slot and same with RAM, there was nothing anyways. Didn't go so far to clean the CPU socket yet even though I think I would have bigger problems if there would be dust in the CPU socket lol.
Using his peripherals is actually a good idea, when I went at his place I took my mouse and keyboard and power cord. I used one of his monitors tho. So yeah definitely next time I can use his keyboard and his mouse as well. But again.. would this make sense? I had the same peripherals on old right and nothing like this happened so I'm not really sure how would these interact with this system in particular
 

Mussels

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If the GPU works in another system but not yours, then you know one other part of the system is the cause

So therefore, the goal is to swap parts one by one til you find the problem

Like if you two swapped GPUs what would happen? Swapped mobos? Swapped SSD's with your boot drive?
 
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If the GPU works in another system but not yours, then you know one other part of the system is the cause

So therefore, the goal is to swap parts one by one til you find the problem

Like if you two swapped GPUs what would happen? Swapped mobos? Swapped SSD's with your boot drive?
I agree! That's what we started doing. We actually also swapped RAM and his system worked fine and mine had the stutters. I also tried another PSU and it was the same. After I try the new SSD, the last 2 things which will remain to be swapped would be CPU and Mobo which are the worst, but will do it if it comes to that
 

Mussels

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With the new OS install, dont install anything that isnt from windows update or the Nvidia driver at first, that'll help narrow things down to a physical problem
 
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With the new OS install, dont install anything that isnt from windows update or the Nvidia driver at first, that'll help narrow things down to a physical problem
I mean he even has dpc latency at hand. Just install drivers on a fresh install and see what causes it.
 
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Is the PCI-e Gen set to auto in the Bios or manually selecting Gen4?
Try Gen 3 and see if that makes a difference.
 
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Have you tried using NVCleanstall to reinstall the Nvidia drivers?
 
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With the new OS install, dont install anything that isnt from windows update or the Nvidia driver at first, that'll help narrow things down to a physical problem
Sure, sounds good. Will do that and come back with results.
I mean he even has dpc latency at hand. Just install drivers on a fresh install and see what causes it.
Will do that and see after what installation the stutter occurs, even though if I remember right it was the same with only the GPU driver installed. Do you know how could I troubleshoot what latencymon tells me more?
Is the PCI-e Gen set to auto in the Bios or manually selecting Gen4?
Try Gen 3 and see if that makes a difference.
It is auto, I have tried to manually setting it to 4 and then 3 and it doesn't make any difference
Have you tried using NVCleanstall to reinstall the Nvidia drivers?
In the past I have used only NVSlimmer which does something similar to this. I will try this out and let you know
 
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For starters, I said 'dpc latency'.
I know what you said and I appreciate your trying to help, however I also said that I have tried everything on forums with what I found in relation to latencymon results, how to interpret them and how to fix them and unfortunately nothing that I have tried worked, that's why I asked if you have any suggestions or if you could point me to those specialized forums where I could ask and share more details on this, hoping someone will help.

@Everyone else, the shop contacted me today and told me they ordered the SSD because they didn't have in stock so it will take several days until it reaches me, unfortunately. However at the moment I'm focusing on drivers and software, hopefully magically I find something that fixes it. Today I also flashed BIOS again, tried different version of LAN, Audio and Nvidia drivers (with the NVCleanInstall what @milewski1015 suggested), so far no positive result. Will keep you guys posted
Thanks!
 
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Hey guys,
I'm back with an update - today came the 970 evo 1TB ssd and I tested with it. What I did: disconnected both 2tb hdds, sata ssd and completely removed the old m2 ssd, as well as disconnected case fan controller, case usb cables 2.0 and 3.0, 1080p monitor, headset, speakers, other non essential USB thingies connected. The only things connected together are Motherboard, CPU, GPU, new ssd, CPU fan and PSU. I have plugged in only keyboard, mouse, 1440p monitor and the windows bootable usb stick. I have created 2 partitions from within windows' setup - 194 gb and 736 gb - and installed windows on the 194gb one. I had to connect to the internet after the setup was complete because I didn't save driver or games' setups before doing everything. The only driver I installed was the latest Nvidia driver. The other things installed are League of Legends, c++ redist for it to work and latencymon.

The results after a league game are... not good? Unfortunately it is still happening BUT it is less subtle and less frequent. LatencyMon still detects high DPC latency but it's 1000us less than before.
Before: After: Friend's PC with no issues (after 2h of heavy gaming):
@Mussels here's a pic of the PC's insides at the current state with most of the things disconnected, sorry for the delay and for the current mess from within the PC:
Does this mean the problem is 100% isolated to Motherboard or CPU?
Thanks!!

EDIT: NEVERMIND I just ran a benchmark and the latency went back up during it:
 
Last edited:

Mussels

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Benchmark Scores Lots of RGB, so you know it's fast.
well your fans are all oriented the right ways, at least - common problem

in those images i see the CPU fans spinning but not the others, i assume they're just off for short term testing to eliminate them as an issue?

We do see networking as one of your high latency tasks - what network adaptor? the onboard ethernet, or a wifi adaptor?
Disable it and see what happens

If you open up HWinfo64 and fire up an all core CPU benchmark like Cinebench R23, what does it show the 'current' clocks as? Do they slow down over time?
(thinking VRM overheating, with the massive air cooler it wouldnt take much for a deadspot, or a bad thermal pad to cause erratic CPU clocks)
 
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Software Windows 10 Pro 20H2 19042.870, Nvidia Game Ready 461.92, latest BIOS
well your fans are all oriented the right ways, at least - common problem

in those images i see the CPU fans spinning but not the others, i assume they're just off for short term testing to eliminate them as an issue?

We do see networking as one of your high latency tasks - what network adaptor? the onboard ethernet, or a wifi adaptor?
Disable it and see what happens

If you open up HWinfo64 and fire up an all core CPU benchmark like Cinebench R23, what does it show the 'current' clocks as? Do they slow down over time?
(thinking VRM overheating, with the massive air cooler it wouldnt take much for a deadspot, or a bad thermal pad to cause erratic CPU clocks)
Yep, all fans should be good. The reason the case fan are not spinning is because at the time of the photo the fan controller was disconnected for installing the new windows and testing. Usually and now they are running are flowing air as expected - 2 front and 1 bottom for pulling air and 2 top and 1 on the back for pushing air.
I'm running the onboard network adapter which is Realtek RTL8125B 2.5Gb Ethernet, through cable. No wifi adapter of any sorts. I have disabled it and installed different driver version as well as installing versions directly from realtek or from the mobo vendor site - no difference. I also tested with the internet cable pulled out completely but it still makes no difference.
From what I've seen they don't slow down over time. I'm leaving a screenshot below: But for example when I'm playing league the CPU sits at ~60C and I still get random stutters when there shouldn't be any throttling at that temperature..

Should I try with another motherboard or CPU? Or do you still think is it worth to change the thermal paste on CPU and run the motherboard striped out from case?
 

Mussels

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Benchmark Scores Lots of RGB, so you know it's fast.
those temps and clocks all look good - they're hot, but not a cause for performance issues
 
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those temps and clocks all look good - they're hot, but not a cause for performance issues
Usually in normal usage they don't get that hot, only in benchmarks so that's even better. I'm at a loss to what to now honestly, the only things which remain are to change motherboard and/or CPU and I'm not even 100% sure that will fix the issue - heck, I don't even know what exactly causes it.
Latencymon tells me it's drivers related, but I changed all the drivers possible and the issue still persists, normal hardware troubleshooting tells me it could be ram, gpu, storage or psu which I managed to exclude all of them. I've read that if a CPU is faulty I would have bigger issues than this so I think the only thing that remains is the Motherboard but I can't wrap my head around what could be faulty on it so that it causes this specific subtle issue.

Thanks for your effort guys, I really appreciate it!! If you could advise me on the next steps that would be great - the only things left for me to do are stripping the mobo out of case and testing the pc like that and ordering a new motherboard. I just want to know if the overhead for this would be worth or if there are other things which maybe I overlooked.
 
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Has anyone suggested turning off all "power saving" features, both in bios and in windows? Specifically turn off pci-e link state management in windows, then off usb select suspend in windows , and use the "high performance" power plan. Also make sure nvidia drivers are set to maximum performance in nvidia control panel.

Also try disabling all audio devices and run your games that way and see what happens.
 
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