On Sun, Nov 18, 2007 at 09:19:15PM +0100, Manuel Bouyer wrote:

> I've tested a kernel built from HEAD (which I didn't do for some time) and
> seeing panics when starting xend (this dom0 has only 64Mb RAM allocated).
> It's always a uvm_fault() on a kernel address, but the fault instruction
> varies. Here's a sample of a panic:

I think it's because the int/trap stubs aren't clearing the direction flag.
i386/amd64 have the changes but (as usual) I kept forgetting to update xen.
I'll fix it shortly.

Thanks,
Andrew