* Jeremy Fitzhardinge (jeremy at 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