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[Qemu-devel] Re: [CFR 6/10] cont command
From: |
Juan Quintela |
Subject: |
[Qemu-devel] Re: [CFR 6/10] cont command |
Date: |
Thu, 17 Jun 2010 01:00:25 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Anthony Liguori <address@hidden> wrote:
> On 06/16/2010 05:05 PM, Juan Quintela wrote:
>> Anthony Liguori<address@hidden> wrote:
>>
>>> On 06/16/2010 11:25 AM, Daniel P. Berrange wrote:
>>>
>>>>
>>>>> This is related to the commands, not QMP per se:
>>>>>
>>>>> Once that we are talking about "cont" command. There are two cases that
>>>>> we need to think of:
>>>>>
>>>>> - incoming migration:
>>>>>
>>>>> If you start with -incoming foo, and then run "cont" on the monitor
>>>>> without having started the migration .... corruption is ensured.
>>>>>
>>>>>
>>>> This is why '-incoming' command line arg should die, and be replaced
>>>> with a 'incoming' monitor command that would simply not allow 'cont'
>>>> to be run until it completed.
>>>>
>>>> For that matter, even with '-incoming' arg on command line we could
>>>> refuse to honour 'cont' until the incoming migration had been done.
>>>>
>>>>
>>> If we had an incoming migration command, I think we'd have to think
>>> careful about it's semantics. Is it reasonable to allow a machine
>>> that's otherwise running to do an incoming command?
>>>
>> It is the same problem that loadvm.
>>
>> And no, loadvm several times don't work well either.
>>
>
> It's supposed to. If it doesn't, then there's a bug somewhere.
I haven't tried lately, but when I tried (months ago, 0.12.0 timeframe),
it didn't work correctly the 2nd/3rd time. I ended to always loading
from a fresh image, much easier to get it right.
Later, Juan.
- [Qemu-devel] Re: [CFR 6/10] cont command, (continued)
- [Qemu-devel] Re: [CFR 6/10] cont command, Juan Quintela, 2010/06/16
- Re: [Qemu-devel] Re: [CFR 6/10] cont command, Anthony Liguori, 2010/06/16
- [Qemu-devel] Re: [CFR 6/10] cont command, Juan Quintela, 2010/06/16
- [Qemu-devel] Re: [CFR 6/10] cont command, Anthony Liguori, 2010/06/16
- Re: [Qemu-devel] Re: [CFR 6/10] cont command, Jamie Lokier, 2010/06/16
- [Qemu-devel] Re: [CFR 6/10] cont command, Juan Quintela, 2010/06/16
- Re: [Qemu-devel] Re: [CFR 6/10] cont command, Daniel P. Berrange, 2010/06/16
- Re: [Qemu-devel] Re: [CFR 6/10] cont command, Anthony Liguori, 2010/06/16
- [Qemu-devel] Re: [CFR 6/10] cont command, Juan Quintela, 2010/06/16
- Re: [Qemu-devel] Re: [CFR 6/10] cont command, Anthony Liguori, 2010/06/16
- [Qemu-devel] Re: [CFR 6/10] cont command,
Juan Quintela <=
[Qemu-devel] [CFR 2/10] qmp: block_passwd command, Anthony Liguori, 2010/06/15
[Qemu-devel] [CFR 9/10] device_del command, Anthony Liguori, 2010/06/15
[Qemu-devel] [CFR 8/10] device_add command, Anthony Liguori, 2010/06/15