So we have a certificate that allows us to sign kexts, but when we run > sudo kextload friendly.kext, it fails and we sign the kext we want, and to prove it's signed, here's some diagnostic output:...

I have an iMac and a Macbook Pro. I updated both to Yosemite beta (the public one). But my audio interface Focusrite Saffire 24 DSP (Firewire) works properly in the iMac, but not on the Macbo...

I have a 7.1 channel audio output device and a custom kext to drive that. My custom application needs to send 7.1 rear channel audio data to the device but the device receives only 2 channel audio ...

Description I am planning on developing a scientific sandboxed application that will need to install a kernel extension to function properly. Code-related question How can the app install the kext...

In KEXT, I am listening for file close via vnode or file scope listener. For certain (very few) files, I need to send file path to my system daemon which does some processing (this has to happen in...

I stumbled upon Private Eye and wonder how it works. I.e. what APIs it is using to get those information (all incoming/outcoming network connections and the application using it)? It is installin...

I am attempting to communicate with a rather specific USB device and developing both Windows and Mac code to do so. The device is a USB device with a HID interface (class 3) with two endpoints, a...

I'm trying to do Apple's "Kernel Extension" Tutorial. I've created a project file, created the Info.plist, built it, used kextlibs to learn the dependencies, added them to the Info.plist, rebuilt, ...

I'm writing an OSX kernel extension for an audio device driver (it's software, but emulates a hardware device). During development, it'd be convenient to completely uninstall existing old version...

I have written a device driver kext for a hot-plug SCSI device, based somewhat on Wagerlabs code (using a driver-user client-application model) and everything works. The only remaining concern is t...