So it sounds like you get the benefit of dynamically loading kernel modules by default on MacOS. I would then like to visualize some of the data retrieved from the KEXT. An example might be like LittleSnitch visualizing the processes and their properties, or GDB visualizing the current snapshot of a process' evaluation. This would mean I am communicating between kernel space and user land I'd imagine.

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So it would work something like this:. The spots marked X and Y are where I'm wondering.

Faulty RAM symptoms

The Y spot is in a Node. From my understanding this is in "userland". The X is kernel space. There are a few ways to access the "kernel-land" space from userland:. Maybe I move more kernel code to the userspace and keep the kernel space thin as well. I am aware of the potential use of C bindings in node. Mainly I am wondering the best way to communicate between these two layers and still maintain security and have good performance if possible. Sign up to join this community.

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Kernel Definition

So as previous poster said, get everything backed up always. This is my experience only and I will not be liable if you damage anything in the process! I had this same problem and thought it would be necessary to replace the disk. The Disk Utility "Repair Disk" feature didn't help. In a fit of desperation I tried erasing the drive and restoring from backup, and I haven't had any disk-related errors since. That was 8 months ago.

Kernel Definition

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Home Questions Tags Users Unanswered. Asked 6 years ago. Active 2 years, 2 months ago.

Viewed 20k times. Resetting port. Aug 4 MacBook—Air—2. JakeGould Shall we assume you don't have a suitable backup that you can simply restore onto a working disk?

When a single program stops working:

That's what happends whe people live on the edge. There are sometimes ways to get a failing hard drive back to a somewhat more healthy state, but they still take many hours mostly "unmanned" hours it goes something like this: Get a large fast external hard drive big enough to hold a bootable copy of Mac OS X, and still have more free space than the entire capacity of the failing disk. Boot from the external drive and unmount the internal drive.

Your Answer

Run a tool like SMART Utility to see how many pending, reallocated, or remapped bad sectors blocks you have on the failing disk. Use GNU ddrescue to try to copy as many working sectors as possible from the failing drive into a file on the large fast external drive. Use ddrescue's log file feature to keep track of which sectors were unrecoverable. Once you've given up on trying to recover the last remaining unrecoverable sectors, use ddrescue to write zeroes to the unrecoverable sectors.

These writes will allow the disk to stop using the bad sectors if it can.

(SOLVED!) Nvidia display/kernel mode driver has stopped working and recovered succesfully.

If it looks like it worked, try booting off the failing drive. If you were lucky, the bad sectors were in non-critical files. Then restore from your backup. Spiff Spiff I would like to add that I would no longer thrust a disk with an increasing number of bad sectors. So keep monitoring those S. If they increase then dump the disc in the trash.

Ascertain your disk is still accessible. Clean it up well. Try again, and promise to Santa that you'll take care of your computer this time. As I said this method worked for me and now my machine is even a little smoother. Good luck. Kamil Kamil 1. Sign up or log in Sign up using Google. Sign up using Facebook.