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Date: Wed, 14 Jan 2009 14:20:20 +0200
From: Dor Laor <dlaor@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] Stop VM on ENOSPC error
References: <20090114120358.GS3267@redhat.com>
	<20090114121147.GI24995@redhat.com>
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To: "Daniel P. Berrange" <berrange@redhat.com>, qemu-devel@nongnu.org

Daniel P. Berrange wrote:
> On Wed, Jan 14, 2009 at 02:03:58PM +0200, Gleb Natapov wrote:
>   
>> And repeat last IDE command after VM restart.
>>     
>
> How is a management application to determine when this occurs ?
> It is not desirable to poll for whether the VM is stopped all
> the time, and we need a reliable way to detect this, otherwise
> the user and/or mgmt app will just think their VM has hung. 
>
> Thus I'd suggest we need an async notification of this event,
> and only enable this behaviour if the app controlling QEMU has
> explicitly enabled this notification / feature.
>
>   
Correct. There is async message for it (==printf...).
Once the libmonitor is introduced it will be real async event
> Daniel
>