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[Xen-devel] Re: BUG: xen-unstable boot stuck after mtrr

On Thu, 17 Mar 2005, Rik van Riel wrote:
> On Thu, 17 Mar 2005, Rik van Riel wrote:
> > I'm digging through the code to try and figure out what
> > function is called next, but mtrr_init (which displays
> > this message) doesn't seem to be called from anywhere.
> Found it.  Not the most debuggable wrt calling order though.
> Now to find out what function it calls after mtrr_init() ...

That was the last one in row.  Xen fails to initialise the
secondary CPU, or in my case the secondary thread on my
hyperthreaded CPU.

Booting with 'nosmp' results in a working system.

"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan

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