Category : driver

I seem to have two drivers installed. driverID = DRIVER_ID_MESA_RADV driverID = DRIVER_ID_MESA_LLVMPIPE In the default state my machine is when booting, my program segfaults in the following operation: physical_device.getQueueFamilyProperties(); (I am using the hpp header) However if prior to running my program I do export VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/radeon_icd.x86_64.json my program runs without issue. It seems as ..

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I have a DNP DS620 photo printer of which I need to periodically check the status (Remaining Prints and Status Message such as OK or Paper Jam). The windows printer settings menu shows that information as shown in the attached screenshot. There is also a DNP tool that does already query said information: http://dnpphoto.com/Portals/0/Resources/PrinterInfo_1.2.1.1.zip However, ..

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I’ve got a problem with driver unload function. Because I use MmGetSystemAddressForMdlSafe function I had to set DeviceObject Flags to DO_DIRECT_IO. (DeviceObject->Flags = DO_DIRECT_IO). This pointer is causing a lot of trouble in my code, because I cannot unload my driver correctly. In WinDbg I can see that unload function is being called correctly. It’s ..

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So far i was trying to understand how IRP requests works and i have some questions When it comes to pass IRP so when i have an IOCTL application when I/O Manager create IRP request .It directs it to certain driver directly ? or its passed through multiple drivers down until it comes to planned ..

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