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Re: [task #5468] Port GNU Mach to the Xen VMM

From: Thomas Schwinge
Subject: Re: [task #5468] Port GNU Mach to the Xen VMM
Date: Tue, 2 Jan 2007 12:10:49 +0100
User-agent: Mutt/1.5.11


A happy new year to everyone!

Running a GNU/Hurd system on Xen is getting nearer.  Very nice!

On Tue, Jan 02, 2007 at 01:11:05AM +0000, Samuel Thibault wrote:
> A crude first ugly patch.

I wondered how you got the thing to boot, wondered if you had also ported
GRUB to Xen along the way, but then I saw the patch for
`kern/bootstrap.c'.  :-)

> It at least boots my Hurd in read-only mode fine! And by faking write mode, I
> could run make in /src/hurd/ :)
> As expected, pure userland programs like for (i=0;i<1000000;) run as fast as
> natively.  On the other hand, dd < /dev/zero > /dev/null bs=1 runs 6 times
> slower, but that's three times better than qemu with kqemu

As I also have an experimental Xen machine running here, I'll be sure to
give this a try as well.

Do you have your development tree publically available?  If not, you
could also work on a tree in the Savannah GNU Mach repository, if you

> Remaining items (I'll work on them shortly)
> - enable block write
> - net device (should be easy now that rings work)
> - asynchronous events support
> - clock support

Very nice!


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