On Fri, 2005-05-27 at 10:34 -0700, David Lang wrote:
> On Fri, 27 May 2005, Lee Revell wrote:
>
> > On Mon, 2005-05-23 at 01:11 -0700, David Lang wrote:
> >> remember that the low pri screensaver is just generating the image to be
> >> displayed, it's the high pri X server that's actually doing the work to
> >> display it.
> >
> > Then there needs to be some mechanism to handle it, either in X or the
> > kernel. Other OSes do not require you to turn off the screensaver to
> > avoid a DoS - they do the obvious thing and run the screensaver at the
> > lowest priority.
> >
> > The problem may be software 3D rendering (I did not have the VIA driver
> > enabled as I did not realize it was in the kernel yet). Maybe the X
> > server should do the work in a low priority thread. But it sure
> > shouldn't DoS the system. Other OSes do not have this problem.
>
> Actually they don't (or at least didn't the last time I took windows
> training), if you have a CPU intensive screen saver on a windows server it
> will seriously load down the box when it kicks in.
That was a problem in the NT 4.0 days, but not lately.
Lee
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