Re: Xen status

[Chris Wright <chrisw@sous-sol.org>]

* Jeremy Fitzhardinge (jeremy@goop.org) wrote:
> Well, the PDA stuff took a bit longer to settle down than I would have 
> hoped, but it seems fairly sound now.
> 
> I just committed the changes needed to make Xen happy with the PDA, 
> which means making sure an appropriate GDT is set up early enough.
> 
> I also seem to have avoided most of the APIC issues under Xen by simply 
> making the cpuid not report the presence of an APIC.
> 
> With these in place, things are getting fairly far, but not to 
> usermode.  It often gets as far as trying to mount root, but it fails; I 
> haven't investigated that yet.  But it also frequently crashes before 
> then, depending on when it gets an interrupt.  I'm trying to work out 
> what's happening here, but the symptom is eip == 0x00000001 (!).

Haven't seen that one.

> Chris, what local hacks do you have in your tree?

Essentially all the local hacks I have are for debugging.  There was
one bit which was just for apic clock setup.  But the symptom w/out
that was a hang, not a crash.  They're also on a remote machine that
has apparently died.  Re-tooling locally ATM.

thanks,
-chris