On Monday 08 March 2010 15:03:49 dky hax wrote:> I use recently xen compiled in a gentoo system.
> I would like a question to make, what is the best system dom0 for xen?
...if you use Gentoo (like me over years as it usually just works like a
horse) the current
sys-kernel/xen-sources:2.6.31-r11 (or r12)
=app-emulation/xen-3.4.2-r1
=app-emulation/xen-tools-3.4.2
should be a good choice under current Gentoo.
You have to setup the Gentoo xen overlay by:
emerge layman
layman -L -a xen
The xen-sources from Gentoo are xenified vanilla sources by the current SuSe
xen patches:
http://code.google.com/p/gentoo-xen-kernel/downloads/list
In my case i had to add:
echo ">=sys-kernel/xen-sources-2.6.31" >>
/etc/portage/package.unmask
(this might not be required by your system - try it).
I use i.e. this in /etc/make.conf:
You might set your own hardware arch here under "-march" - afaik
should be
compatible with you settings within your kernel config (CPU type).
CFLAGS="-march=core2 -O2 -pointer -pipe -mno-tls-direct-seg-refs"
Important is "-mno-tls-direct-seg-refs" as it impoves performance
significantly
USE="mmx sse sse2 xen ntplonly xen -gtk -gtk2 sdl ssl acpi unicode slang
openssl -kde -X -zlib python perl pygrub api -cups -print screen -gnome ipv6
extensible lm_sensors ioemu diskio"
"pae" is important here too if you want to run a 32bit HV with more
then 6GB
(<= 8GB RAM) or PAE guest images. You have to enable PAE within kernel too
(64
GB RAM).
A little bit older (but still working) Howto could be found here:
http://en.gentoo-wiki.com/wiki/Xen
cheers,
Niels.
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