[SOLVED] Computer stutters for about 3-4 seconds every few hours regardless of what i'm doing.

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HVCFOG3Y34

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Oct 2, 2013
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Hi, I'm having an issue where my computer's audio and video stutters for 3 to 4 seconds seemingly every few hours. I don't have my own recording, but this video from 0:37 to 0:40 kind of shows what the audio sounds like. The rest of the video doesn't apply and their video is smoother than mine during the stuttering - my video matches the audio stutters. The stutters seem to happen whenever, regardless if i'm playing a game, watching a video, browsing the internet, or just sitting at my desktop.

I've made sure my drivers are updated.
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CONCLUSION
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Your system seems to be having difficulty handling real-time audio and other tasks. You may experience drop outs, clicks or pops due to buffer underruns. 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 1:29:58 (h🇲🇲ss) on all processors.


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SYSTEM INFORMATION
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Computer name: <Redacted>
OS version: Windows 10, 10.0, version 2009, build: 19044 (x64)
Hardware: MS-7B78, Micro-Star International Co., Ltd.
BIOS: 2.E0
CPU: AuthenticAMD AMD Ryzen 5 3600 6-Core Processor
Logical processors: 12
Processor groups: 1
Processor group size: 12
RAM: 16333 MB total


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CPU SPEED
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Reported CPU speed (WMI): 360 MHz
Reported CPU speed (registry): 360 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.


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MEASURED INTERRUPT TO USER PROCESS LATENCIES
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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): 323.20
Average measured interrupt to process latency (µs): 5.689547

Highest measured interrupt to DPC latency (µs): 319.90
Average measured interrupt to DPC latency (µs): 2.500604


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REPORTED ISRs
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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): 20.590
Driver with highest ISR routine execution time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation

Highest reported total ISR routine time (%): 0.000374
Driver with highest ISR total time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation

Total time spent in ISRs (%) 0.000449

ISR count (execution time <250 µs): 145625
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


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REPORTED DPCs
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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): 1001.720
Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 511.65 , NVIDIA Corporation

Highest reported total DPC routine time (%): 0.004228
Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 511.65 , NVIDIA Corporation

Total time spent in DPCs (%) 0.016167

DPC count (execution time <250 µs): 2388740
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-10000 µs): 34
DPC count (execution time 1000-2000 µs): 2
DPC count (execution time 2000-4000 µs): 0
DPC count (execution time >=4000 µs): 0


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REPORTED HARD PAGEFAULTS
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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: nahimicsvc32.exe

Total number of hard pagefaults 50968
Hard pagefault count of hardest hit process: 19042
Number of processes hit: 83


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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 96.332859
CPU 0 ISR highest execution time (µs): 20.590
CPU 0 ISR total execution time (s): 0.280656
CPU 0 ISR count: 118415
CPU 0 DPC highest execution time (µs): 1001.720
CPU 0 DPC total execution time (s): 8.122586
CPU 0 DPC count: 1882636
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CPU 1 Interrupt cycle time (s): 6.663986
CPU 1 ISR highest execution time (µs): 4.140
CPU 1 ISR total execution time (s): 0.000673
CPU 1 ISR count: 1603
CPU 1 DPC highest execution time (µs): 166.460
CPU 1 DPC total execution time (s): 0.119399
CPU 1 DPC count: 31071
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CPU 2 Interrupt cycle time (s): 8.018077
CPU 2 ISR highest execution time (µs): 0.930
CPU 2 ISR total execution time (s): 0.000002
CPU 2 ISR count: 2
CPU 2 DPC highest execution time (µs): 222.60
CPU 2 DPC total execution time (s): 0.293822
CPU 2 DPC count: 47134
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CPU 3 Interrupt cycle time (s): 8.718302
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): 256.680
CPU 3 DPC total execution time (s): 0.102125
CPU 3 DPC count: 27366
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CPU 4 Interrupt cycle time (s): 6.370126
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): 132.610
CPU 4 DPC total execution time (s): 0.023014
CPU 4 DPC count: 6206
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CPU 5 Interrupt cycle time (s): 5.531714
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): 33.470
CPU 5 DPC total execution time (s): 0.004508
CPU 5 DPC count: 1590
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CPU 6 Interrupt cycle time (s): 13.339731
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): 237.820
CPU 6 DPC total execution time (s): 0.644518
CPU 6 DPC count: 152416
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CPU 7 Interrupt cycle time (s): 8.917545
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): 253.470
CPU 7 DPC total execution time (s): 0.984526
CPU 7 DPC count: 191032
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CPU 8 Interrupt cycle time (s): 5.945604
CPU 8 ISR highest execution time (µs): 3.220
CPU 8 ISR total execution time (s): 0.008148
CPU 8 ISR count: 22913
CPU 8 DPC highest execution time (µs): 237.750
CPU 8 DPC total execution time (s): 0.039767
CPU 8 DPC count: 11864
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CPU 9 Interrupt cycle time (s): 6.537322
CPU 9 ISR highest execution time (µs): 3.350
CPU 9 ISR total execution time (s): 0.000767
CPU 9 ISR count: 1580
CPU 9 DPC highest execution time (µs): 108.210
CPU 9 DPC total execution time (s): 0.045262
CPU 9 DPC count: 12032
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CPU 10 Interrupt cycle time (s): 6.696966
CPU 10 ISR highest execution time (µs): 2.650
CPU 10 ISR total execution time (s): 0.000245
CPU 10 ISR count: 439
CPU 10 DPC highest execution time (µs): 115.160
CPU 10 DPC total execution time (s): 0.028113
CPU 10 DPC count: 6499
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CPU 11 Interrupt cycle time (s): 6.091401
CPU 11 ISR highest execution time (µs): 3.70
CPU 11 ISR total execution time (s): 0.000340
CPU 11 ISR count: 673
CPU 11 DPC highest execution time (µs): 100.730
CPU 11 DPC total execution time (s): 0.065248
CPU 11 DPC count: 18930
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My specs are:
  • OS: Windows 10 Home 64-bit
  • Mobo: X470 GAMING PRO CARBON
  • CPU: AMD Ryzen 5 3600
  • Memory: G.SKILL Ripjaws V Series 16GB (2 x 8GB)
  • GPU: GIGABYTE AORUS NVIDIA GeForce RTX 3070
  • PSU: Corsair CX-750M
  • Storage:
    • Samsung SSD 860 EVO 1TB
    • ST000DL001-9VT156
    • TOSHIBA MQ01ABD075
    • NVMe Samsung SSD 970
  • PCI/Back Panel:
    • USB Hub
    • WIFI/Bluetooth Card
  • Front panel:
    • SD/XD/ect. reader
    • CD Drive (SATA definitely not plugged in. Not sure if powered)
If anyone can help me out here, that would be great. If you have any questions, just let me know. Thanks.
 
What shows is the amount of background stuff at startup.
Any of that could be the cause of your stutter.

It's your call if you want to try making that skinny.

I really don't think it's any of the programs. I've had all of them forever, and there is no reason for any of them to do any periodic things to cause a stutter.
Other than just turning them off, how would you suggest checking if that is the case? Most of the programs are essential stuff like graphics card, keyboard/mouse, sound, or windows.
 
https://www.resplendence.com/latencymon

run this and it will tell you whats throwing interupts.

also make sure you have all power saving turned off in windows power settings.

my guess is unstable xmp memory. xmp just jacks everything up. i would try stabilty on default in bios and go from there.

in latency mon you should not see anything above 1000 us unless ur in the middle of a full prime95 stress test. if you are you have a problem. a driver problems will show in the bottom 2 bars. the top bar is realtime latency.
 
I really don't think it's any of the programs. I've had all of them forever, and there is no reason for any of them to do any periodic things to cause a stutter.
Other than just turning them off, how would you suggest checking if that is the case? Most of the programs are essential stuff like graphics card, keyboard/mouse, sound, or windows.
For test purpose try turning them off.....1/2/3 at a time.
Perhaps you lose some feature with it off but your in test mode.
You turn it back on if no help.
 
https://www.resplendence.com/latencymon

run this and it will tell you whats throwing interupts.

also make sure you have all power saving turned off in windows power settings.

my guess is unstable xmp memory. xmp just jacks everything up. i would try stabilty on default in bios and go from there.

in latency mon you should not see anything above 1000 us unless ur in the middle of a full prime95 stress test. if you are you have a problem. a driver problems will show in the bottom 2 bars. the top bar is realtime latency.

I can run it again, but I posted the results of my first time running it in my original post.
 
https://www.resplendence.com/latencymon

run this and it will tell you whats throwing interupts.

also make sure you have all power saving turned off in windows power settings.

my guess is unstable xmp memory. xmp just jacks everything up. i would try stabilty on default in bios and go from there.

in latency mon you should not see anything above 1000 us unless ur in the middle of a full prime95 stress test. if you are you have a problem. a driver problems will show in the bottom 2 bars. the top bar is realtime latency.

I ran latencymon again and i think i got the same thing as last time. What should I do?
 
For test purpose try turning them off.....1/2/3 at a time.
Perhaps you lose some feature with it off but your in test mode.
You turn it back on if no help.

I got another stutter with all of my programs except Nvidia, Nahimic, MSI, Logitech, stuff closed. The only other program I had open when the stutter happened was Chrome.

With Chrome closed and my computer idle, my computer uses 5.5GB. I did some research and 5GB RAM usage idle doesn't seem too abnormal. I found another RAM monitor tool, RamMap. I ran it and the screenshot below is what my memory usage is. From some more research, it looks like my nonpaged pool is big. A common thread I'm seeing between all the posts I'm reading about this is that it may be a driver issue. This along with LatencyMon makes me think it's defiantly that and probably a Nvidia issue. Not sure where to go from here.
 
I got another stutter with all of my programs except Nvidia, Nahimic, MSI, Logitech, stuff closed. The only other program I had open when the stutter happened was Chrome.

With Chrome closed and my computer idle, my computer uses 5.5GB. I did some research and 5GB RAM usage idle doesn't seem too abnormal. I found another RAM monitor tool, RamMap. I ran it and the screenshot below is what my memory usage is. From some more research, it looks like my nonpaged pool is big. A common thread I'm seeing between all the posts I'm reading about this is that it may be a driver issue. This along with LatencyMon makes me think it's defiantly that and probably a Nvidia issue. Not sure where to go from here.
So what happens if you turn off that other stuff?

So far you have found some stuff it's not.

We all have different machines and run them different.
At startup I see less than 2GB of ram used.
 
So what happens if you turn off that other stuff?

So far you have found some stuff it's not.

We all have different machines and run them different.
At startup I see less than 2GB of ram used.

What‽ Less than 2GB of RAM used? What kind of OS are you using. I'm pretty sure Windows uses 2GB by itself!
I turned off every conceivable program and service that is not system essential and I still get around 4.3GB idle. Screenshots below for proof (services had 7 more programs below the screenshot, but they were all windows stuff):

I'll have to wait and see if the stutters still persist. It takes hours to tell and I need a program open making sound/video to tell.
 
What‽ Less than 2GB of RAM used? What kind of OS are you using. I'm pretty sure Windows uses 2GB by itself!
I turned off every conceivable program and service that is not system essential and I still get around 4.3GB idle. Screenshots below for proof (services had 7 more programs below the screenshot, but they were all windows stuff):

I'll have to wait and see if the stutters still persist. It takes hours to tell and I need a program open making sound/video to tell.
I use w10 pro.
Sitting at the desktop with nothing open I see 1.7GB of ram used.
 
I use w10 pro.
Sitting at the desktop with nothing open I see 1.7GB of ram used.

I almost don't believe you lol. Everywhere I look, people say 15-30% is normal RAM usage when idle (in my case that would be 2.5GB - 4.8GB out of 16GB).

How much RAM do you have installed? What did you do to get that little? Even if you subtract my non-paged pool, my memory usage is 2.8 which still falls within that normal 15-30% range.
 
I almost don't believe you lol. Everywhere I look, people say 15-30% is normal RAM usage when idle (in my case that would be 2.5GB - 4.8GB out of 16GB).

How much RAM do you have installed? What did you do to get that little? Even if you subtract my non-paged pool, my memory usage is 2.8 which still falls within that normal 15-30% range.
I have 8GB of ram and yes I have read that windows will use more ram if you have more ram.

I am not going to buy more ram just to test that.

As for making it skinny I don't recall any magic button it was just slowly picking around the edges and stumbling upon stuff.
 
Hi, I'm having an issue where my computer's audio and video stutters for 3 to 4 seconds seemingly every few hours.

That means, that every few hours a program does some work. Switch off following programs (and remove from autostart in task manager and scheduler - or better deactivate them):

  1. Antimalware Service Executable @ ~290MB (Windows)
  2. PowerToys.Run @ ~115MB (Program made by windows devs) (Since typing this, it went down to 14MB)
  3. Windows Explorer @ ~107MB
  4. DisplayFusion @ ~88 MB
  5. Various NVIDIA Stuff @ ~69MB
  6. Logitech Hub @ ~14MB
  7. TeamViewer @ ~6MB
  8. EventGhost @ ~6MB
  9. Groupy @ ~3MB
  10. GMMK Keyboard @ ~1MB
  11. UPS auto shut off (Couldn't find in task manager)
 
That means, that every few hours a program does some work. Switch off following programs (and remove from autostart in task manager and scheduler - or better deactivate them):

  1. Antimalware Service Executable @ ~290MB (Windows)
  2. PowerToys.Run @ ~115MB (Program made by windows devs) (Since typing this, it went down to 14MB)
  3. Windows Explorer @ ~107MB
  4. DisplayFusion @ ~88 MB
  5. Various NVIDIA Stuff @ ~69MB
  6. Logitech Hub @ ~14MB
  7. TeamViewer @ ~6MB
  8. EventGhost @ ~6MB
  9. Groupy @ ~3MB
  10. GMMK Keyboard @ ~1MB
  11. UPS auto shut off (Couldn't find in task manager)

I currently have all every program in the list terminated except for Antimalware Service Executable and Windows Explorer. How would I terminate Antimalware Service Executable?
 
I have 8GB of ram and yes I have read that windows will use more ram if you have more ram.

I am not going to buy more ram just to test that.

As for making it skinny I don't recall any magic button it was just slowly picking around the edges and stumbling upon stuff.

Oh, well that explains it!

No, I don't expect you to lol.

So my RAM usage is fine then...
 
currently have all every program in the list terminated except for Antimalware Service Executable and Windows Explorer. How would I terminate Antimalware Service Executable?

Might be that helps?


But deactivating only to test it. I would not recommend to disable virus protection permanently.

I am using another anti-virus-program and therefore windows defender is not active in my build.
 
Might be that helps?


But deactivating only to test it. I would not recommend to disable virus protection permanently.

I am using another anti-virus-program and therefore windows defender is not active in my build.

That doesn't specify how to disable it, just how to stop it from scanning its own folder which I already set yesterday, and set when it runs. I set a time for it to scan every day.

From looking it up, it looks like a bit of a pain to disable, so i'm just going to leave it for now and see how it goes first. Thanks for the help.
 
One thing I saw was that your 860 failed all tests. the drive is 80% full.
right at the point it can start causing hickups/delays/brief pauses etc....

That failed test could be because of the write speed and remaining storage. For Incomplete sequential tests, UBM states:
  • Incomplete sequential tests: The sustained sequential write test requires enough free space for 60 seconds of continuous writes. A SATA ssd with a write speed of 500 MB/s requires at least 60 x 500MB = 30,000MB = 30GB of free space.

So in that drives case, CrystalDiskMark shows a write speed of 4855MB/s for sequential writes, so it would need about 284.5GB of free space to complete the test. The was 78% full, but I just deleted some things so its 62.5% full now (348GB free). I ran another test and it still didn't complete, so not sure what's up there.
https://www.userbenchmark.com/UserRun/54266551
 
Just had another stutter with all programs closed except for Chrome and Outlook open.

I looked at Event Viewer logs for system between 4:54 - 4:56PM (not sure of the exact minute since I was distracted):
1 system warning - "Disk 8 has been surprise removed."
1 system information - "The start type of the Background Intelligent Transfer Service service was changed from auto start to demand start."
7 application warnings 3ms appart (all saying the same thing) - "Unable to open the job object \BaseNamedObjects\WmiProviderSubSystemHostJob for query access. The calling process may not have permission to open this job. The first four bytes (DWORD) of the Data section contains the status code."
 
That failed test could be because of the write speed and remaining storage. For Incomplete sequential tests, UBM states:


So in that drives case, CrystalDiskMark shows a write speed of 4855MB/s for sequential writes, so it would need about 284.5GB of free space to complete the test. The was 78% full, but I just deleted some things so its 62.5% full now (348GB free). I ran another test and it still didn't complete, so not sure what's up there.
https://www.userbenchmark.com/UserRun/54266551
If using rapid mode on the 860 turn it off....test.
 
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