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Not working on win10 #4

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593749519 opened this issue Mar 30, 2021 · 13 comments
Closed

Not working on win10 #4

593749519 opened this issue Mar 30, 2021 · 13 comments

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@593749519
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593749519 commented Mar 30, 2021

Nice work! Tested on win10, not working, only take effect when GPU_Z is installed, seems GPU_Z has some trick to turn on overlocking?

@Demion
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Demion commented Mar 30, 2021

Nvapioc use nvapi.dll / nvapi64.dll for NVIDIA, atiadlxx.dll / atiadlxy.dll for AMD.
These DLLs should be installed normally with driver.
Maybe problem can be with DCH (Windows driver package) drivers, they are missing nvidia-smi and maybe nvapi too.

@ghost
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ghost commented Mar 30, 2021

What did you try ?
With which version of NvApiOc ?

As I have a fresh Windows 10 install since yesterday I tried to reproduce your issue.
I just installed the nVidia drivers v461.92 for the GeForce 690M I have on my laptop.
I use GPU Shark to monitor my GPUs instead of GPU-Z because I had a minor issue I don't remember with GPU-Z.

So, if I start GPU Shark, I see
image

After doing
nvapioc.exe -core 1 0 10000
I get
image

After doing
nvapioc.exe -core 1 0 0
I get
image
back.

Fresh Windows 10 install with only the nVidia drivers.

@593749519
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593749519 commented Mar 31, 2021 via email

@Demion
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Demion commented Mar 31, 2021

Where you download drivers from? As I was saying, DCH version (Windows driver package) might not work.
Also what logs show? LoadLibraryA error?

@593749519
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593749519 commented Mar 31, 2021 via email

@Demion
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Demion commented Mar 31, 2021

So it seems it manages to load nvapi.dll. Can you post full log?
You can try 457.51 WHQL Win10 x64 (notebook).
https://www.nvidia.com/download/driverResults.aspx/167107/en-us

@593749519
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593749519 commented Mar 31, 2021 via email

@Demion
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Demion commented Mar 31, 2021

I don't know what is the problem. First please provide full log file, maybe something clears up.

@593749519
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593749519 commented Mar 31, 2021 via email

@Demion
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Demion commented Mar 31, 2021

Where do you get this log from? I need log log.txt from nvapioc.exe.

@593749519
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593749519 commented Mar 31, 2021 via email

@593749519
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593749519 commented Mar 31, 2021 via email

@593749519
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The program works just fine!
After some exploration, found 2 curious result:

  1. if set breakpoint before overlock, result will be NVAPI_ERROR
  2. NvAPI_EnumPhysicalGPUs, NvAPI_GPU_GetBusId, NvAPI_GPU_SetPstates20 must be called in a chain without any delay or break. maybe because the gpu handle is not persistent.

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