Re: PREEMPT on PPC

2004-03-29 Thread Benjamin Herrenschmidt
On Mon, 2004-03-29 at 21:29, Michael Schmitz wrote: > > > 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

Re: PREEMPT on PPC

2004-03-29 Thread Michael Schmitz
> > 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=0xc000 > +CONFIG_TASK_SIZE=0x8000 Nope, that's what my

Re: PREEMPT on PPC

2004-03-29 Thread Benjamin Herrenschmidt
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'

Re: PREEMPT on PPC

2004-03-29 Thread Michel Dänzer
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

Re: PREEMPT on PPC

2004-03-29 Thread Michael Schmitz
> > 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 h

Re: PREEMPT on PPC

2004-03-28 Thread Benjamin Herrenschmidt
> 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 & l

Re: PREEMPT on PPC

2004-03-28 Thread Michel Dänzer
On Mon, 2004-03-29 at 03:26, Benjamin Herrenschmidt wrote: > > I appreciate a lot that you're working on this, but unfortunately, this > > patch doesn't seem to make any difference here. I still get random > > segfaults, weird behaviour in galeon, ... as soon as I hit swap. How can > > I provide us

Re: PREEMPT on PPC

2004-03-28 Thread Benjamin Herrenschmidt
> I appreciate a lot that you're working on this, but unfortunately, this > patch doesn't seem to make any difference here. I still get random > segfaults, weird behaviour in galeon, ... as soon as I hit swap. How can > I provide useful debugging information? In general, is there a relationship w

Re: PREEMPT on PPC

2004-03-27 Thread Michel Dänzer
On Thu, 2004-03-25 at 09:01, Benjamin Herrenschmidt wrote: > On Thu, 2004-03-25 at 17:47, Benjamin Herrenschmidt wrote: > > > > I've start looking into the various issues of running CONFIG_PREEMPT > > on ppc32. I found some problems, there may be more, but here's a first > > patch that should apply

Re: PREEMPT on PPC

2004-03-25 Thread Benjamin Herrenschmidt
On Fri, 2004-03-26 at 04:36, Michael Schmitz wrote: > > > -#define MAX_PROPERTY_LENGTH 4096 > > > +#define MAX_PROPERTY_LENGTH (512 * 1024) > > > > It doesn't look like related to preempt, but it actually interests me :) > > Is it a work in progress ? And most importantly ;), does it enable us to >

Re: PREEMPT on PPC

2004-03-25 Thread Benjamin Herrenschmidt
On Fri, 2004-03-26 at 03:09, Colin Leroy wrote: > Hi Ben! > > > + * > > + * 24/03/2004 - BenH: Bump that limitation to 512k and remove the > > + *filter for the MacOS drivers as we may now run > > + *those in a shell > > */ > > -#define MAX_PROPERTY_LENGTH

Re: PREEMPT on PPC

2004-03-25 Thread Michael Schmitz
> > -#define MAX_PROPERTY_LENGTH 4096 > > +#define MAX_PROPERTY_LENGTH (512 * 1024) > > It doesn't look like related to preempt, but it actually interests me :) > Is it a work in progress ? And most importantly ;), does it enable us to > reboot a radeon 9200 after sleep ? That's the plan, I bet. T

Re: PREEMPT on PPC

2004-03-25 Thread Colin Leroy
Hi Ben! > + * > + * 24/03/2004 - BenH: Bump that limitation to 512k and remove the > + *filter for the MacOS drivers as we may now run > + *those in a shell > */ > -#define MAX_PROPERTY_LENGTH 4096 > +#define MAX_PROPERTY_LENGTH (512 * 1024) It doesn't lo