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Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live
From: |
Alex Bligh |
Subject: |
Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm |
Date: |
Tue, 29 Jul 2014 14:56:28 +0100 |
On 29 Jul 2014, at 14:42, Paolo Bonzini <address@hidden> wrote:
> Il 29/07/2014 15:39, Alex Bligh ha scritto:
>>>> I'm not sure either. You could simply package the 12.04 ipxe ROMs into
>>>> 14.04, and add a note about getting the sources for GPL friendliness.
>> This would be my preference (or in Ubuntu's case, add it to the ipxe-qemu
>> package) but I think it should only be used when the legacy machine type
>> is used or it will break inbound migrations from other 14.04 machines
>> started with 128k ROMs (AIUI).
>
> "-M pc" and its alias "-M pc-i440fx-2.0" doesn't use pxe-virtio.rom at
> all (at least upstream).
Really? How does it pxeboot on virtio then (it definitely does pxeboot
on virtio)?
> Does Ubuntu 14.04 have efi-virtio.rom?
Yes. After 2 layers of symlinks you get to.
address@hidden:~$ ls -la /usr/lib/ipxe/qemu/efi-virtio.rom
-rw-r--r-- 1 root root 220672 Jan 6 2014 /usr/lib/ipxe/qemu/efi-virtio.rom
> It would break "-M pc-1.0" started on older 14.04, but I think that's
> acceptable.
I was more worried about any previous versions of Ubuntu (newer than
12.04) which might also be using the larger rom size. But then I
haven't investigated at what stage the rom size grew.
--
Alex Bligh
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, (continued)
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Alex Bligh, 2014/07/27
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Serge Hallyn, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Alex Bligh, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Serge E. Hallyn, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Alex Bligh, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Paolo Bonzini, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Serge Hallyn, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Paolo Bonzini, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Alex Bligh, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Paolo Bonzini, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm,
Alex Bligh <=
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Paolo Bonzini, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Alex Bligh, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Serge Hallyn, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Alex Bligh, 2014/07/29
- Re: [Qemu-devel] [PATCH] [RFC] Add machine type pc-1.0-qemu-kvm for live migrate compatibility with qemu-kvm, Serge Hallyn, 2014/07/29