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Questions - wdk

IddCx Driver frame stutters, potentially caused by OS version issues

I am working on a IddCx indirect Display Driver. I have run into a bug that I cant find any reason to blame my own code on. Every two seconds or so IddCxSwapChainReleaseAndAcquireBuffer takes over 100...
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vulkur

wdk

umdf

iddcx

Votes: 0

Answers: 1

Latest Answer

forgot to close this. Realized the issue was that the monitor desktop simply wasnt updating. So the OS was just rendering the desktop less often, resulting in less frames being pushed to the swapchain...
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vulkur

IRQL_UNEXPECTED_VALUE BSOD after NdisFIndicateReceiveNetBufferLists?

We have an NDIS LWF driver, and only on very few systems, we get IRQL_UNEXPECTED_VALUE BSOD on the NdisFIndicateReceiveNetBufferLists, But we do not raise or lower IRQL in any part of the code, and th...
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OneAndOnly

wdk

windows-kernel

ndis

wfp

Votes: 0

Answers: 1

Latest Answer

They had a similar issue, and the issue seems to be that there was another NDIS driver raising the IRQL to DISPATCH_LEVEL and forgeting to lower it? But I'm still not sure if this is applicable to ou...
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Jeffrey Tippet

vcxproj for x64 settings issue

I am trying to compile an old source code (VS 6, WinDDk 7600). The source is compiled for x86 debug version on Windows 10, Visual studio 2019, WinDDk 7600. When tried to compile for x64(debug, release...
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marvic

x86

x86-64

wdk

win64

Votes: 0

Answers: 0

CMake: EWDK is detected as VS2022 with v143 toolset when only its actually VS2019 + v142

Evening, I am trying to get a ci pipeline working for my cs class about windows driver. For this I am using the Enterprise WDK which is a command line build environment that does not require any insta...
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Artur K.

c++

cmake

wdk

Votes: 0

Answers: 0

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