Questions tagged [kernel-extension]

8 questions
38
votes
5 answers

How do I uninstall and remove a .kext on Mac OS X?

I bought a X-in-1 media card reader and had to install a driver in order to be able to read SD-HC cards. Now sometimes when I unplug the reader from the USB port I get a kernel panic. So now I'd like to remove this kernel extension but the driver…
Marc
  • 1,357
6
votes
1 answer

Mac - per-kext memory extension, aka which kext is leaky?

I am having trouble with some of the kernel extensions I am running as after a day or two of use, the memory usage of kernel_task grows to 1.2GB and stays there all the time. The problem is that I have a few third-party extensions installed and it…
petr
  • 625
3
votes
1 answer

Disabling kextcache on 10.5.8 and 10.6.3

We use Radmind to manage our Mac OS X loadsets and, as such, often run into difficulty when new OS releases come out due to, among other things, updated kernel extensions. The workflow in the past (OS revisions <= 10.4) was to delete the kernel…
2
votes
1 answer

How to remove osx kernel extension

I am trying to remove a kernel extension but every time i restart it keeps coming back how to permanently remove it? i believe this com.ab.kl.engine is some sort of spyware output of: kextstat | grep -v com.apple 104 0 0xffffff7f81fa3000…
2
votes
0 answers

virtual FTDI serial ports always busy after boot under MacOS Mojave

I am working with a lot of FTDI usb to serial chips integrated in various devices. I have to use the genuine FTDI driver as the newly integrated AppleFTDI Driver is less general and does not recognize some of the devices I work with while the FTDI…
1
vote
2 answers

Snow Leopard: how can I monitor loading of specific extensions?

I'm installing the VoodooHDA extension in order for Intel 82801I (ICH9 Family) HD Audio 8086:293E sound card to operate. The sound card does not work but I have no idea how to debug the issue. How can I check if the module was loaded properly? How…
ufk
  • 919
0
votes
1 answer

After trying to move some kernel extensions, the installer fails: "IOCDStorageFamily.kext is not authentic; omitting from prelinked kernel."

I have a problem similar to others on this StackExchange, but I believe my underlying cause and the necessary solution are different. Here is my problem: Whenever I try to install some programs, include XCode and drivers for hardware, the…
Kevin
  • 712
0
votes
1 answer

Mac 10.9 kext file unloads randomly

I'm working with Mac 10.9 (Mavericks) and making a kernel extension (ported from 10.8). I load the kext file in the /System/Library/Extension folder but at times I will find the the kext gets unloaded randomly for no apparent reason. I will load it,…