qemu or qemu-kvm for kvm in squeeze
in [Debian]
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From: Richard Hector on 7 Mar 2010 23:50 On Sun, 2010-03-07 at 22:07 -0600, Mark Allums wrote: > Oh, and Virtualbox was originally based on QEMU, and there is still a > lot of QEMU code in it. Interesting - does that pose any issues for the non-OSE Virtualbox, w.r.t. QEMU being GPL? Richard -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/1268023244.2157.1.camel(a)diamond.lan.walnut.gen.nz
From: Mark Allums on 8 Mar 2010 01:00 On 3/7/2010 10:40 PM, Richard Hector wrote: > On Sun, 2010-03-07 at 22:07 -0600, Mark Allums wrote: > >> Oh, and Virtualbox was originally based on QEMU, and there is still a >> lot of QEMU code in it. > > Interesting - does that pose any issues for the non-OSE Virtualbox, > w.r.t. QEMU being GPL? > > Richard The non-OSE is only for specific bits, like USB support, which is not to my knowledge in QEMU, since it was added by Innotek or Sun. I think this is a legal matter, which I am not qualified to answer (and I haven't read anything about it.) I expect that Oracle will remove code from QEMU over time. I expect (and be delighted to be wrong about) that Sun and Oracle will fork VBox and close off the non-OSE version. This is pure speculation. Mark Allums -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/4B948F92.1080408(a)allums.com
From: Martin Kraus on 8 Mar 2010 07:50 On Sun, Mar 07, 2010 at 09:58:43PM -0600, Mark Allums wrote: > Earlier, I wrote what I think was a confusing reply to this. .... > > o QEMU is emulation. > o Virtualbox is Full virtualization. > o QEMU+KVM is a funny beast, it is paravirtualization with kernel > virtualization, you need hardware CPU support for it > o kqemu is a kernel module accelerator with kernel virtualization, > no hardware support needed, but it gives poor speed. > > QEMU more-or-less has KVM built into it since about version 0.10. > > Wikipedia has a lot of articles about virtualization, so I would go > there for more. > > Go with Virtualbox unless you have some special need. Hi. I think you misunderstood my question. I'm trying to switch from xen to kvm, because xen just doesn't work on that particular server. QEMU provides emulation for IO and uses KVM for memory/cpu virtualization. In Debian Squeeze, there are two packages for qemu, one named qemu, the other qemu-kvm. Both are based on version 0.11.1 of qemu and both supposedly support kvm. My question is, why there are two apparently identical qemu packages. Which one should I use with kvm. thanks mk -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/20100308124152.GB20080(a)finrod
From: thib on 8 Mar 2010 08:40 Martin Kraus wrote: > My question is, why there are two apparently identical qemu packages. Which > one should I use with kvm. ** I didn't take the time to check that out, so I may be wrong ** The kvm userspace utility is in fact a modified qemu which takes advantage of hardware tech via the kvm kernel subsystem - and nothing more. You can see the command-line resemblance, and the fact that the kvm package is just a virtual package provided by qemu-kvm. To answer your question, I'd say you just can't use kvm without the modified qemu utility (named "kvm", provided by qemu-kvm). And if you can, well, you should still use it, since it has to be developed for some reason (supposedly optimization). -thib -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/4B94FC4C.6070807(a)stammed.net
From: Osamu Aoki on 8 Mar 2010 08:50 On Mon, Mar 08, 2010 at 01:41:54PM +0100, Martin Kraus wrote: > On Sun, Mar 07, 2010 at 09:58:43PM -0600, Mark Allums wrote: > > Earlier, I wrote what I think was a confusing reply to this. > In Debian > Squeeze, there are two packages for qemu, one named qemu, the other qemu-kvm. > Both are based on version 0.11.1 of qemu and both supposedly support kvm. Wll at one point, yes but http://packages.qa.debian.org/k/kvm.html [2009-12-31] kvm REMOVED from testing (Britney) > My question is, why there are two apparently identical qemu packages. Which > one should I use with kvm. Your answer is ..... qemu-kvm This is stable release of kvm. http://packages.qa.debian.org/q/qemu-kvm.html http://packages.debian.org/squeeze/qemu-kvm See /usr/share/doc/qemu-kvm/README.Debian for more information. Osamu -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/20100308132742.GA15288(a)osamu.debian.net
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