Re: [Qemu-devel] Release: VMKnoppix for x86(20080213)

[Alexander Graf]

Suzaki-san he,

On Feb 15, 2008, at 11:05 AM, Kuniyasu Suzaki wrote:

> Alex-san he,
>
> > > From: Alexander Graf <address@hidden>
> > > Subject: Re: [Qemu-devel] Release: VMKnoppix for x86(20080213)
> > >
> > > Suzaki-san he,
> > >
> > > On Feb 15, 2008, at 4:18 AM, Kuniyasu Suzaki wrote:
> > >
> > > > Dear,
> > > >
> > > > We released new VMKNOPPIX for x86 (20080213).
> > > > http://unit.aist.go.jp/itri/knoppix/vmknoppix/index-en.html
> > > > Guide-PDF 
> > > > http://unit.aist.go.jp/itri/knoppix/vmknoppix/VMKnoppix-x86-20080213e.pdf
> > > >
> > > > # Special Features
> > > > * Xen3.2.0, KVM60, and QEMU091 are upgraded.
> > > > * Xen3.2.0 has a vTPM (TPM Emulator) and offers Trusted Computing
> > > >   environment. Physical TPM&TCG-BIOS aren't required. KNOPPIX for
> > > >   Trusted Computing Geeks(Trusted Boot + Remote Attestaion) boots  
> > > > on
> > > >   Xen3.2.0+vTPM.
> > > >     Guide of KNOPPIX for Trusted Computing Geeks
> > > >     
> > > > http://sourceforge.jp/projects/openpts/wiki/FrontPage/attach/20080129-KNOPPIX511TCG-OPTS-UsersGuide-v1_0-E.pdf
> > > > * OS Circular enables to boot some Linux Distributions
> > > >   {CentOS5|Debian Etch|Ubuntu606|Ubuntu610|Ubuntu704} on a virtual
> > > >   machine {Xen|QEMU|KQEMU|KVM} with Internet Virtual Disk "Trusted
> > > >   HTTP-FUSE CLOOP".
> > > > * QEMU091(x86_64) offers ADM-V instruction set for virtual machine.
> > > >   KVM runs on it but Xen doesn't.
> > >
> > > Is Xen HVM not working a known issue? Have you tracked down why it
> > > fails to work? The implementation is mostly complete in respect to  
> > > the
> > > virtualization, so this is clearly a bug I do not know about.
>
> Excuse me. My explanation is not enough. Xen hypervisor works and  
> dom0 can boot.
> HVM-Domain however doesn't work well. It looks to be hanged.
> "xentop" shows the HVM-Domain spends CPU time but the boot does not  
> start.

No need to excuse, I did understand the problem: HVM domUs in Xen on  
qemu do not work.

What I am concerned about is that this has not been reported yet and I  
would like to know the reason it failed. Nevermind if you don't know  
this; I'm pretty sure someone will find this out.

Bernhard, have you encountered any problems with the SVM emulation?

Regards,

Alex