Re: init receiving SIGILL on XEN3_DOM0/amd64

[Jean-Yves Migeon <jean-yves.migeon%espci.fr@localhost>]

Christoph Egger wrote:
> Manuel Bouyer wrote:
> > On Sun, May 18, 2008 at 01:43:04PM +0200, Christoph Egger wrote:
> > > > When the CPU sends an illegal intruction trap, I guess.
> > > In that case, I have a wild guess:
> > > sysenter is an illegal opcode on amd64. The difference is, AMD CPUs 
> > > throw an exception, Intel CPUs don't.
> > > Is sysenter used somewhere?
> > I don't think it should be for amd64 binaries.
> > i386 binaries may, but only if I686_LIBC is defined.
> No, sysenter is legacy mode only. sysenter is also an illegal opcode
> in compat long mode.
Wouldn't it be easier to objdump init and look for an illegal op in its 
code section? Don't know if its viable anyway.

--
Jean-Yves Migeon
jean-yves.migeon%espci.fr@localhost