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Re: [Xen-devel] [PATCH] qemu-xen-3.4-testing: Fix read-only image file h

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] qemu-xen-3.4-testing: Fix read-only image file handling
From: Michal Novotny <minovotn@xxxxxxxxxx>
Date: Tue, 08 Jun 2010 12:54:54 +0200
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On 06/08/2010 12:53 PM, Keir Fraser wrote:
On 08/06/2010 11:04, "Michal Novotny"<minovotn@xxxxxxxxxx>  wrote:

I also tried to decrease the memory for dom0 as advised on the list
(using the `xm mem-set 0 2048`) but still the same result but I saw
something in the qemu-dm log file about -vcpu-avail option is invalid:

# cat /var/log/xen/qemu-dm-rhel5-32fv.log
domid: 1
qemu: the number of cpus is 1
/usr/lib64/xen/bin/qemu-dm: invalid option -- '-vcpu_avail'
#
Stale qemu-dm binary hanging around, perhaps. I find that kind of thing
happens when trying out different version sof Xen on a single test system.
Either your new qemu-dm binary did not get installed, or it did but in a
different location to the stale one, and it happens that the stale one
dominates.

In particular, Xen 3.4 qemu does not support the -vcpu_avail cmdline option,
but 4.0 and 4.1 (unstable) do. And 4.0/4.1 xend depends on that.

  -- Keir


Ok, I did use some HVM example configuration file from the examples in the repo so I was able to make it working.

Michal

--
Michal Novotny<minovotn@xxxxxxxxxx>, RHCE
Virtualization Team (xen userspace), Red Hat


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