Re: [Xen-devel] PCI bus scan failure on 3.0.0 testing

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 21 Jan 2006, at 09:12, Ian Pratt wrote:

> > I'll keep poking at this (I desperately need to get it
> > working), and trying other permutations of kernels and boot
> > options; if anyone can provide any hints for how to debug
> > this I'd appreciate it a great deal.
> Try diff'ing the output of a native 2.6.12 kernel booting vs. 2.6.12 on
> xen. You can get both kernels from the xen test CD. You'll need a 
> serial
> line.
Yep, if you can find your way around the Linux PCI code a bit, it is 
worth adding tracing to find out how it is finding buses 1 and 2. If 
you can do that then it should be possible to backtrack and find out 
where xenlinux is going wrong.
 -- Keir


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