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Re: PREEMPT kernel with nvidia

On Wednesday 02 January 2008 02:44, Florian Kulzer wrote:
> On Tue, Jan 01, 2008 at 23:25:47 +1000, Paul Andreassen wrote:
> > Is it possible to have a PREEMPT kernel while using the closed source
> > nVidia driver?
> >
> > I've compiled the stable kernel 2.6.18 and the backported kernel 2.6.22,
> > and both kill random programs.  Its strange because it some times kills
> > the game I'm running, sometime faults on boot up and once gcc actually
> > died.
> Such sporadic problems can be caused by faulty hardware. (bad RAM, power
> supply instability, insufficient cooling, ...) GCC for example can
> sometimes function as a sort of CPU-and-memory-stress-tester.
> Can you run your system (same load) on the "nv" driver without problems?
> Did you test this for a sufficiently long time so that you can be sure
> that the crashes only happen with the nvidia driver?

Hi Florian,

That's what I can't understand.  The default Debian kernel 2.6.18 without 
PREEMPT works fine.

Is it possible the PREEMPT option would bring to the surface faulty hardware 
that non PREEMPT could handle?

On Wednesday 02 January 2008 01:40, David Baron wrote:
> Running it right now with 2.63.1-rt1, I believe which is real-time preempt.
> Using the older driver for mx400 cards.

I believe you mean 2.6.23-1-rt1.  Good to know it does work.

On Wednesday 02 January 2008 00:50, Hugo Vanwoerkom wrote:
> hugo@debian:/sdb1$ uname -a
> Linux debian 2.6.23-1-686 #1 SMP PREEMPT Sun Dec 9 10:02:52 CST 2007
> i686 GNU/Linux

So I can conclude it is most likely a hardware problem on my end.


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