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

To: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] PCI bus scan failure on 3.0.0 testing
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: 2006年1月21日 20:45:38 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Steve Traugott <stevegt@xxxxxxxxxxxxx>
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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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