couple of nvidia-driver issues

[Alexey Dokuchaev]

On Thu, Dec 07, 2017 at 11:33:51AM +0200, Andriy Gapon wrote:
> ...
> 
> I've done some work with a debugger and it seems that there is code that does
> something like this:
> 
> char *last = NULL;
> 
> while (1) {
> 	...
> 
> The binary patch is here: https://people.freebsd.org/~avg/nvidia-smi.bsdiff

Appreciate taking very close look Andriy.

> It's been a while since I posted the patch and there are no comments yet.
> I can only add that I am running an INVARIANTS and WITNESS enabled kernel all
> the time and before the patch I was getting kernel panics every now and then.
> Since I started using the patch I haven't had a single nvidia panic yet.

I'll collect all the feedback from you over past few weeks and try to update
the driver within couple of days.  Thanks!

./danfe