Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-04-02 Thread Markus Armbruster
Anthony Liguori writes: > So, since we're approaching 1.1, we should really discuss release > criteria for 1.1 with respect to live migration. I'd prefer to avoid > surprises in this release. > > My expectation is that migration works from: > > qemu-1.0 -M 1.0 =>qemu-1.1 -M 1.1 > qemu-1.

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-29 Thread Jan Kiszka
On 2012-03-29 17:23, Anthony Liguori wrote: > On 03/27/2012 12:42 PM, Jan Kiszka wrote: >> On 2012-03-27 18:49, Anthony Liguori wrote: >>> On 03/27/2012 11:46 AM, Avi Kivity wrote: On 03/27/2012 06:39 PM, Anthony Liguori wrote: > > So, since we're approaching 1.1, we should really disc

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-29 Thread Avi Kivity
On 03/29/2012 05:21 PM, Anthony Liguori wrote: >> Option 1: make -M old force an old vmstate to be written out. Sounds >> like a generally useful thing. >> Option 2: ask those consumers to issue updates that bring their code up >> to version 3. Require fully updated qemus on both sides. Easy to

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-29 Thread Anthony Liguori
On 03/27/2012 12:42 PM, Jan Kiszka wrote: On 2012-03-27 18:49, Anthony Liguori wrote: On 03/27/2012 11:46 AM, Avi Kivity wrote: On 03/27/2012 06:39 PM, Anthony Liguori wrote: So, since we're approaching 1.1, we should really discuss release criteria for 1.1 with respect to live migration. I'

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-29 Thread Anthony Liguori
On 03/29/2012 10:17 AM, Avi Kivity wrote: On 03/29/2012 01:56 PM, Jan Kiszka wrote: On 2012-03-27 18:39, Anthony Liguori wrote: On 03/27/2012 11:22 AM, Jan Kiszka wrote: On 2012-03-27 17:59, Avi Kivity wrote: On 03/27/2012 11:55 AM, Jan Kiszka wrote: On 2012-03-27 10:55, Vasilis Liaskovitis

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-29 Thread Avi Kivity
On 03/29/2012 01:56 PM, Jan Kiszka wrote: > On 2012-03-27 18:39, Anthony Liguori wrote: > > On 03/27/2012 11:22 AM, Jan Kiszka wrote: > >> On 2012-03-27 17:59, Avi Kivity wrote: > >>> On 03/27/2012 11:55 AM, Jan Kiszka wrote: > On 2012-03-27 10:55, Vasilis Liaskovitis wrote: > > Hi, >

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-29 Thread Jan Kiszka
On 2012-03-27 18:39, Anthony Liguori wrote: > On 03/27/2012 11:22 AM, Jan Kiszka wrote: >> On 2012-03-27 17:59, Avi Kivity wrote: >>> On 03/27/2012 11:55 AM, Jan Kiszka wrote: On 2012-03-27 10:55, Vasilis Liaskovitis wrote: > Hi, > > is live migration between qemu-kvm stable-0.15 a

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-27 Thread Jan Kiszka
On 2012-03-27 18:49, Anthony Liguori wrote: > On 03/27/2012 11:46 AM, Avi Kivity wrote: >> On 03/27/2012 06:39 PM, Anthony Liguori wrote: >>> >>> So, since we're approaching 1.1, we should really discuss release >>> criteria for 1.1 with respect to live migration. I'd prefer to avoid >>> surprises

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-27 Thread Anthony Liguori
On 03/27/2012 11:46 AM, Avi Kivity wrote: On 03/27/2012 06:39 PM, Anthony Liguori wrote: So, since we're approaching 1.1, we should really discuss release criteria for 1.1 with respect to live migration. I'd prefer to avoid surprises in this release. Agree strongly. My expectation is that

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-27 Thread Avi Kivity
On 03/27/2012 06:39 PM, Anthony Liguori wrote: > > So, since we're approaching 1.1, we should really discuss release > criteria for 1.1 with respect to live migration. I'd prefer to avoid > surprises in this release. Agree strongly. > > My expectation is that migration works from: > > qemu-1.0 -

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-27 Thread Anthony Liguori
On 03/27/2012 11:22 AM, Jan Kiszka wrote: On 2012-03-27 17:59, Avi Kivity wrote: On 03/27/2012 11:55 AM, Jan Kiszka wrote: On 2012-03-27 10:55, Vasilis Liaskovitis wrote: Hi, is live migration between qemu-kvm stable-0.15 and stable-1.0 trees possible? When I live migrate a VM from 1.0 to 0.1

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-27 Thread Jan Kiszka
On 2012-03-27 17:59, Avi Kivity wrote: > On 03/27/2012 11:55 AM, Jan Kiszka wrote: >> On 2012-03-27 10:55, Vasilis Liaskovitis wrote: >>> Hi, >>> >>> is live migration between qemu-kvm stable-0.15 and stable-1.0 trees >>> possible? >>> When I live migrate a VM from 1.0 to 0.15, the destination sid

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-27 Thread Avi Kivity
On 03/27/2012 11:55 AM, Jan Kiszka wrote: > On 2012-03-27 10:55, Vasilis Liaskovitis wrote: > > Hi, > > > > is live migration between qemu-kvm stable-0.15 and stable-1.0 trees > > possible? > > When I live migrate a VM from 1.0 to 0.15, the destination side 0.15 > > qemu-kvm > > exits with: > >

Re: [Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-27 Thread Jan Kiszka
On 2012-03-27 10:55, Vasilis Liaskovitis wrote: > Hi, > > is live migration between qemu-kvm stable-0.15 and stable-1.0 trees possible? > When I live migrate a VM from 1.0 to 0.15, the destination side 0.15 qemu-kvm > exits with: > (qemu) Unknown savevm section or instance 'i8259' 0 > > That's ex

[Qemu-devel] live migration between qemu-kvm 1.0 and 0.15

2012-03-27 Thread Vasilis Liaskovitis
Hi, is live migration between qemu-kvm stable-0.15 and stable-1.0 trees possible? When I live migrate a VM from 1.0 to 0.15, the destination side 0.15 qemu-kvm exits with: (qemu) Unknown savevm section or instance 'i8259' 0 That's expected, since commit "i8259:convert to qdev" 747c70af78f7088f18