6,040 questions
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am trying to build a basic keyboard filter driver , but the system crashes when I press any key with error IRQL NOT EQUAL OR LOWER [closed]
#include <ntddk.h>
typedef struct _DEVICE_EXTENSION {
PDEVICE_OBJECT lowerKbdDevice;
}DEVICE_EXTENSION,*PDEVICE_EXTENSION;
PDEVICE_OBJECT myKbdDevice = NULL;
typedef struct ...
0
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0
answers
22
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How to set INF settings so that USB audio device is not shown as Recording device?
I am trying to write an INF file for a usb audio 2.0 device and so far I managed to test and install my INF file on a Test Mode PC, however the device shows up as both a Playback and Recording device ...
- 31
1
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0
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21
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WDF driver crashes OS on reading PCI device address
I wrote my own PCI device driver for Windows 11 64-bit OS. From my user application I want to know PCI device bus number and device address (address stores slot and function values). So I use this ...
- 13
0
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21
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OSX system extensions bugged/broken [closed]
So i was trying to setup my Karabiner extension for some key mappings. After a while i noticed that it stopped working (doesn't map keys). The reason for that, was that the karabiner was not enabled ...
- 49
0
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37
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Can a kernel mode and user mode object file be linked together and run?
I have a Windows kernel mode driver (compiled with MSVC + /kernel). I am writing the test suite for it and have come across an snag:
The testing suite is obvious built in user mode (sans /kernel) ...
- 1,008
-2
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0
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42
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Available tools for monitoring custom requests generated by Linux kernel driver? [closed]
Say I have:
A Linux kernel driver
That communicates with some pci device
Via a custom protocol using a family of custom requests and responses
I'd like to be able to observe the traffic taking place ...
- 153
0
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0
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46
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Callbacks does not register in minifilter-driver
I had problem with driver. Callback func BeforeIO doesn't call in any case. Here is the code of nullfilter (minifilter-driver). However driver is working and DebugView shows that config was read. ...
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1
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0
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87
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Why MMIO memory space of 𝚖𝚌𝚙𝟼𝟷 Ethernet controller Nvidia are all set?
I am trying to write a driver for Nvidia.
At a certain address I have read it is the correct return value, though unfortunately the MAC address is correct only once, otherwise all values are set to, ...
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0
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0
answers
24
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Trying to unlock all the Apple Airpods exclusive features on Windows - Error 52 (Digital Signature Not Verified) with custom drivers on Windows 11
I am trying to install custom drivers for enhanced AirPods 4 ANC / Pro 2 / max functionality on Windows 11. These drivers are incredibly useful to unlock all Airpods feature on Windows, but I keep ...
1
vote
1
answer
67
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Zero values for stack base and stack limit addresses in NT_TIB struct (Kernel Mode Windows)
When running the !pcr command in Windbg, the NT_TIB structure shows zeros for StackBase and StackLimit. I am debugging drivers on Windows 7 x32 Ultimate using Windbg via COM port. OS is running on ...
- 11
1
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0
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22
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How do I debug a WIndows NDIS driver?
I am having trouble figuring out how to debug a Windows NDIS driver. I can't find a way to look at logs or traces from NDIS.
I have tried a kernel debug session with WinDbg on the host and target in a ...
- 8,953
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0
answers
9
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Microphone and Camera Issues After Installing FFmpeg [migrated]
After installing FFmpeg using Winget on my Windows laptop, my microphone started capturing a lot of noise it doesnt work and my camera began flickering.
The only fix that worked was performing a full ...
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1
vote
1
answer
38
views
Mongo linq query ignores custom serialization of linq argument using linq provider v3
Issue
We have a custom serializer for an enum (MeasurementValueType), which stores the enum as a string in MongoDB and deserializes it from a string back into the enum when querying.
The enum ...
- 677
0
votes
0
answers
31
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Mapping buffer from kernel space to user space in windows
I'm currently working with windows kernel driver that allocate memory which should be shared with a program.
Afaik an application can ask the driver to create a memory buffer of max 4G size for ...
- 81
0
votes
0
answers
17
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SIM8200EA-M2 5G Module Not Recognized on Windows 11 Despite Driver Installation
I can communicate with the 5G module from a Raspberry Pi running the latest Raspberry Pi OS via the serial interface without any issues. However, when I attempted the same on my Windows 11 laptop, I ...
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