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Audio droppouts on windows 11, LatencyMon seems to point to ACPI.sys, but I can't fix it. Is it even possible to run audio without droppouts on windows 11???

Anonymous
2023-11-13T22:54:40+00:00

I bought this laptop specifically to make and perform music live a few months ago, however I'm running into small hiccups, audio drop outs etc. when I run Reaper, Traktor, Reaktor, or even just watching youtube videos. I've done the obvious, like play with the buffer settings, try different drivers (I'm using a Motu m4 audio interface), tweaked powers settings, following windows 11 optimization guides for audio, etc.. According to LatencyMon, the issues seems to be specifically related to ACPI.sys, however I have no idea how exactly to remedy this.

Is it at all possible to run Windows 11 on a laptop without any audio droppouts?? Help!

LatencyMon report below:

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CONCLUSION

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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 0:24:52 (h:mm:ss) on all processors.

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SYSTEM INFORMATION

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Computer name: TOM

OS version: Windows 11, 10.0, version 2009, build: 22631 (x64)

Hardware: PD5x_7xPNP_PNR_PNN_PNT, Notebook

BIOS: 1.07.12

CPU: GenuineIntel 12th Gen Intel(R) Core(TM) i7-12700H

Logical processors: 20

Processor groups: 1

Processor group size: 20

RAM: 65240 MB total

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CPU SPEED

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Reported CPU speed (WMI): 230 MHz

Reported CPU speed (registry): 2688 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): 10533.90

Average measured interrupt to process latency (µs): 14.796391

Highest measured interrupt to DPC latency (µs): 10460.90

Average measured interrupt to DPC latency (µs): 3.611681

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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): 221.301339

Driver with highest ISR routine execution time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation

Highest reported total ISR routine time (%): 0.001989

Driver with highest ISR total time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

Total time spent in ISRs (%) 0.002008

ISR count (execution time <250 µs): 160833

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): 1350.333333

Driver with highest DPC routine execution time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation

Highest reported total DPC routine time (%): 0.015777

Driver with highest DPC total execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

Total time spent in DPCs (%) 0.029130

DPC count (execution time <250 µs): 519697

DPC count (execution time 250-500 µs): 0

DPC count (execution time 500-10000 µs): 99

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: msmpeng.exe

Total number of hard pagefaults 8926

Hard pagefault count of hardest hit process: 4204

Number of processes hit: 23

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PER CPU DATA

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CPU 0 Interrupt cycle time (s): 49.050695

CPU 0 ISR highest execution time (µs): 221.301339

CPU 0 ISR total execution time (s): 0.005716

CPU 0 ISR count: 39

CPU 0 DPC highest execution time (µs): 1350.333333

CPU 0 DPC total execution time (s): 0.606651

CPU 0 DPC count: 128282

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CPU 1 Interrupt cycle time (s): 44.992443

CPU 1 ISR highest execution time (µs): 162.979911

CPU 1 ISR total execution time (s): 0.066573

CPU 1 ISR count: 13698

CPU 1 DPC highest execution time (µs): 275.383185

CPU 1 DPC total execution time (s): 0.452561

CPU 1 DPC count: 15133

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CPU 2 Interrupt cycle time (s): 45.128884

CPU 2 ISR highest execution time (µs): 161.656250

CPU 2 ISR total execution time (s): 0.255090

CPU 2 ISR count: 55933

CPU 2 DPC highest execution time (µs): 882.788690

CPU 2 DPC total execution time (s): 1.818488

CPU 2 DPC count: 66165

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CPU 3 Interrupt cycle time (s): 34.244483

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): 184.988839

CPU 3 DPC total execution time (s): 0.003169

CPU 3 DPC count: 241

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CPU 4 Interrupt cycle time (s): 69.612493

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): 894.940476

CPU 4 DPC total execution time (s): 1.127775

CPU 4 DPC count: 70138

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CPU 5 Interrupt cycle time (s): 81.603358

CPU 5 ISR highest execution time (µs): 160.316964

CPU 5 ISR total execution time (s): 0.076688

CPU 5 ISR count: 37335

CPU 5 DPC highest execution time (µs): 258.418899

CPU 5 DPC total execution time (s): 1.411733

CPU 5 DPC count: 72060

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CPU 6 Interrupt cycle time (s): 39.421818

CPU 6 ISR highest execution time (µs): 168.854167

CPU 6 ISR total execution time (s): 0.101724

CPU 6 ISR count: 21971

CPU 6 DPC highest execution time (µs): 438.296131

CPU 6 DPC total execution time (s): 0.737191

CPU 6 DPC count: 25854

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CPU 7 Interrupt cycle time (s): 34.246114

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): 177.318452

CPU 7 DPC total execution time (s): 0.005332

CPU 7 DPC count: 626

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CPU 8 Interrupt cycle time (s): 63.033065

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): 301.662202

CPU 8 DPC total execution time (s): 0.822355

CPU 8 DPC count: 58060

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CPU 9 Interrupt cycle time (s): 76.280892

CPU 9 ISR highest execution time (µs): 165.426339

CPU 9 ISR total execution time (s): 0.072638

CPU 9 ISR count: 27564

CPU 9 DPC highest execution time (µs): 444.353423

CPU 9 DPC total execution time (s): 1.056622

CPU 9 DPC count: 44270

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CPU 10 Interrupt cycle time (s): 32.986120

CPU 10 ISR highest execution time (µs): 163.904018

CPU 10 ISR total execution time (s): 0.021228

CPU 10 ISR count: 4293

CPU 10 DPC highest execution time (µs): 255.345238

CPU 10 DPC total execution time (s): 0.163956

CPU 10 DPC count: 7315

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CPU 11 Interrupt cycle time (s): 30.861123

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): 179.910714

CPU 11 DPC total execution time (s): 0.001405

CPU 11 DPC count: 179

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CPU 12 Interrupt cycle time (s): 24.732802

CPU 12 ISR highest execution time (µs): 0.0

CPU 12 ISR total execution time (s): 0.0

CPU 12 ISR count: 0

CPU 12 DPC highest execution time (µs): 195.711310

CPU 12 DPC total execution time (s): 0.136192

CPU 12 DPC count: 10835

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CPU 13 Interrupt cycle time (s): 19.803006

CPU 13 ISR highest execution time (µs): 0.0

CPU 13 ISR total execution time (s): 0.0

CPU 13 ISR count: 0

CPU 13 DPC highest execution time (µs): 197.668155

CPU 13 DPC total execution time (s): 0.022754

CPU 13 DPC count: 1531

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CPU 14 Interrupt cycle time (s): 17.816473

CPU 14 ISR highest execution time (µs): 0.0

CPU 14 ISR total execution time (s): 0.0

CPU 14 ISR count: 0

CPU 14 DPC highest execution time (µs): 196.199405

CPU 14 DPC total execution time (s): 0.018120

CPU 14 DPC count: 1033

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CPU 15 Interrupt cycle time (s): 16.271024

CPU 15 ISR highest execution time (µs): 0.0

CPU 15 ISR total execution time (s): 0.0

CPU 15 ISR count: 0

CPU 15 DPC highest execution time (µs): 193.831845

CPU 15 DPC total execution time (s): 0.015770

CPU 15 DPC count: 819

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CPU 16 Interrupt cycle time (s): 23.719189

CPU 16 ISR highest execution time (µs): 0.0

CPU 16 ISR total execution time (s): 0.0

CPU 16 ISR count: 0

CPU 16 DPC highest execution time (µs): 202.233631

CPU 16 DPC total execution time (s): 0.066753

CPU 16 DPC count: 3313

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CPU 17 Interrupt cycle time (s): 20.140735

CPU 17 ISR highest execution time (µs): 0.0

CPU 17 ISR total execution time (s): 0.0

CPU 17 ISR count: 0

CPU 17 DPC highest execution time (µs): 205.186012

CPU 17 DPC total execution time (s): 0.094794

CPU 17 DPC count: 5916

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CPU 18 Interrupt cycle time (s): 18.829225

CPU 18 ISR highest execution time (µs): 0.0

CPU 18 ISR total execution time (s): 0.0

CPU 18 ISR count: 0

CPU 18 DPC highest execution time (µs): 338.822173

CPU 18 DPC total execution time (s): 0.092566

CPU 18 DPC count: 5586

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CPU 19 Interrupt cycle time (s): 17.175013

CPU 19 ISR highest execution time (µs): 0.0

CPU 19 ISR total execution time (s): 0.0

CPU 19 ISR count: 0

CPU 19 DPC highest execution time (µs): 203.014881

CPU 19 DPC total execution time (s): 0.043012

CPU 19 DPC count: 2442

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Windows for home | Windows 11 | Devices and drivers

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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  1. Anonymous
    2024-01-21T21:12:19+00:00

    Anche io ho lo stesso problema.

    Sembrerebbe un bug dei processori i7 di 12th, è veramente assurdo. Ho un altro laptop i7 13th e non mi dà problemi con lo stesso controller collegato.

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  2. Anonymous
    2023-11-14T10:30:19+00:00

    As a start;

    By default, win 11 update auto updates only critical win updates, and nothing else unless you have made the mistake of selecting the "Get latest updates" option, and if you have turn it off.

    You obtain both Bios & Drivers updates from the PC Maker, there should be a shortcut on your system to that makers update utility, and no other source.

    Set bios to defaults & Pwr to balanced, to test

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