Re: Possible issue with dangling PCI BARs

Jon Masters
2007-12-15T02:19:24Z

On Sat, 2007-12-15 at 09:11 +1100, Benjamin Herrenschmidt wrote:
> On Fri, 2007-12-14 at 06:52 -0500, Jon Masters wrote:
> > On Thu, 2007-12-13 at 14:00 +1100, Benjamin Herrenschmidt wrote:
> > > While reworking the powerpc PCI resource management, to make it more
> > > x86-like and use more of the generic code in setup-bus.c and
> > > setup-res.c, I noticed something a bit fishy in the way we deal with
> > > resources that we failed to assign.
> >
> > On a tangent here, is there a way (other than pci=rom) to ensure greater
> > address space/resource space for PCI resource mappings?
>
> limit lowmem ? 4g/4g ? 64 bits ? :-)

Oh, I've seen resource allocation fail on x86_64, which is what bothers
me, since this really shouldn't be happening.

Jon.