8.0-RC1 panic attaching ppc

Daniel O'Connor doconnor at gsoft.com.au
Fri Sep 25 22:57:44 UTC 2009


On Fri, 25 Sep 2009, John Baldwin wrote:
> On Friday 25 September 2009 3:20:05 am Daniel O'Connor wrote:
> > On Thu, 24 Sep 2009, John Baldwin wrote:
> > > Can you try this patch perhaps:
> > >
> > > Index: sys/amd64/isa/isa_dma.c
> > > =================================================================
> > >== --- isa_dma.c	(revision 197430)
> > > +++ isa_dma.c	(working copy)
> >
> > This patch fixes the panic for me.
> >
> > I haven't tried printing (don't have any device handy here).
>
> I wonder if pmap_extract(kernel_pmap) doesn't work with direct map
> addresses for some reason?  I kind of find that hard to believe
> actually.  Alan, the original panic was in pmap_extract(kernel_pmap,
> ...) calls in the isa_dma code.  My patch that "fixes" the panic just
> changes them to pmap_kextract().

Well, if you want to test it some how let me know :)

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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