Re: garbage registers when domain killed by xen

[Kip Macy <kip.macy@gmail.com>]

On 5/7/05, Keir Fraser <Keir.Fraser@cl.cam.ac.uk> wrote:
> It's probably repeatedly reentering your p-f handler at address 0. 

Sounds about right.

> 
> Yes, we should just domain_crash() if we see a callback to address 0.

Your patch or mine? ;-)

> Even more helpful would be some extra crash context with an explanation
> (some way of stating it was a virtual 'double fault' of some kind), but
> I don;t know how you would represent that in a standard core dump file.

One could add a set of flags to the dump. They wouldn't be visible to
GDB, but we could have a core reading utility that could see it and
spit out some basic info about the crash. GDB wouldn't need it per se'
as it would look just like a SIGSEGV crash in an application.

                                           -Kip