On 01/02/2014 11:56 AM, Ian Campbell wrote:
You can select a non-default model use by using the
"device_model_version" directive in your config.
From what I gather, for now, you MUST select a non-default model, using
something like:
device_model_version="qemu-xen"
device_model_override="/usr/bin/qemu-system-x86_64"
In the context of Debian the Debian Xen maintainer has been trying to
move away from the traditional fork for several releases. Historically
the traditional qemu was shipped with the Xen utils in but in some
release (Wheezy? Maybe Squeeze?) it was removed and ended up packaged
separately as a separate xen-qemu-dm-4.0 package in order to keep things
working. In Jessie even that is gone. Luckily however the upstream qemu
package in Jessie already supports Xen so you should be able to simply
select that in your configuration.
So "traditional" disappeared when Debian's xen went from 4.1 to 4.2.
So, things are a bit in flux right now but will be sorted by the time
Jessie is actually released. The fact that the Xen tools in 4.3 still
default to qemu-traditional which is not present is a bit unfortunate
but with Xen 4.4 due to be released in the next 4-6 weeks with a default
of qemu-upstream this will take care of itself sooner rather than later.
Xen 4.4 also includes support for compiling without qemu-traditional
support which will improve the error message should you try to use it
(either inadvertently as you have done here or deliberately).
Is it, or will it be possible for me to build xen 4.3 or 4.4 WITH
"traditional"?
Is it possible to do HVM with Debian?
It should be, although as I say it may be in flux a bit.
My problem is that I was doing HVM with xen 4.1. I had MS Windows XP, 7
and 8 virtual machines. I had VGA and PCI passthrough working just
fine. I tried using xen 4.2, but I was unable to do VGA passthrough.
With 4.3, I can't even do PCI passthrough. It says that my Intel 5500
chipset is buggy (Intel errata #53), and disables IOMMU. Maybe my
chipset is buggy... But it is rock-solid stable when I do HVMs with VGA
passthrough using xen 4.1.
I wonder if anybody else shares my experience...
Comments or emails are welcome.
Thanks,
Marc
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