Re: PREEMPT on PPC
On Mon, 2004-03-29 at 20:43, Michel Dänzer wrote:
> On Mon, 2004-03-29 at 03:55, Benjamin Herrenschmidt wrote:
> > > Note that I'm not sure how tightly the problems are tied to swap; after
> > > they start, they seem to persist even when swap is no longer used. It's
> > > just the best criterion I've been able to identify so far.
> >
> > Weird. I just can't reproduce any of your problems, neither on the
> > tipb with highmem & lots of RAM, or on the wallstreet with no highmem
> > and little RAM (thus swap)...
> >
> > I've been running with preempt for a few days now without trouble.
> >
> > What else are you using ? I suspect something like MOL may have troubles
> > with preempt for example...
>
> Not using that regularly. Not sure what's special about my setup, XFS
> maybe?
>
> What about this:
>
> -CONFIG_TASK_SIZE=0xc0000000
> +CONFIG_TASK_SIZE=0x80000000
>
> I can't seem to find any other significant differences between
> pmac_defconfig and mine. I'll keep trying...
Shouldn't affect it, on ppc32, I hope nothing tries to map between 2G
and 3G... (except on G5 though)
Ben.
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