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Re: [Xen-users] Intel's fault? HVM domUs freezes at boot time.

To: Lech Karol Pawłaszek <ike@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Intel's fault? HVM domUs freezes at boot time.
From: Stephan Seitz <s.seitz@xxxxxxxxxxxx>
Date: Fri, 19 Oct 2007 22:13:07 +0200
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Lech Karol Pawłaszek schrieb:
> I've encountered a very weird problem. Some isos (Linux installers)
> freeze HVM dom0 and it is not possible to continue installation.

> There is info, that it's "intel's fault" since intel doesn't support
> real mode. Pitty since the most (my) servers have Intel chips. But maybe
> there is some patch or workaround to create and use HVM on intels?

if you don't need a 64bit Xen (or even it's ability to run 64 and 32p guests
concurrently) i would prefer the 32bit-pae xen. I assume the 64bit version has
recently become more stable, but in the days of 3.0.3 and early 3.1 64bit it was
somewhat painful to use ;)
I don't know your future plans at that machine, but you've currently 4G mem
installed. With 32bit-pae hypervisor you'll be able to use up to 16G.
We're using 32bit-pae on every xen-box (mixed processors but about 80% intel),
the only problems where a domU segfaults dom0 encountered on setups with a 3.1 
and a 3.0.3 xenified dom0 kernels.



> poligon:~# xm info
> host                   : poligon
> release                : 2.6.18-4-xen-amd64
> version                : #1 SMP Fri May 4 02:40:51 UTC 2007
> machine                : x86_64

> total_memory           : 4094

> xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> hvm-3.0-x86_32p hvm-3.0-x86_64

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