Re: KVM RAM limitation

[Daniel Bareiro <daniel-listas@gmx.net>]

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On Wednesday, 03 February 2010 11:48:01 -0600,
Brian Jackson wrote:

> > I'm trying to boot a VM with 2048 MB in a VMHost with Linux 2.6.32.6
> > and qemu-kvm-0.12.2, but when doing it, I obtain it the following
> > message:
> > 
> > qemu: at most 2047 MB RAM can be simulated.

> Are you sure you enabled KVM? Are you sure you are using the KVM
> binary and not some QEMU binary that's sitting around. This is one of
> those situations where the KVM command you are running might help.
> Also the same binary you are running's version ($QEMU_BIN -h | head
> -n1)

wilson:/usr/local/qemu-kvm/bin# ./qemu-system-x86_64 -h | head -n1
QEMU PC emulator version 0.12.2 (qemu-kvm-0.12.2), Copyright (c) 2003-2008 Fabrice Bellard


The procedure that I used to compile qemu-kvm is the same of always: to
download qemu-kvm-0.12.2, to install the packages (Debian) zlib1g-dev
and libpci-dev, and to compile of the following way:

# cd qemu-kvm-0.12.2
# ./configure --prefix=/usr/local/qemu-kvm
# make
# make install

Until the moment I never got to use qemu-kvm with VMs of more than 2048
MB. In an installation that I have with KVM-88 and kernel x86_64 I don't
have this problem.

Thanks for your reply.

Regards,
Daniel
-- 
Daniel Bareiro - System Administrator
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