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Re: [libvirt] Need help, how can I access to qemu-monitor with libvirt 0.8.1

On 08/31/2010 09:55 PM, Eric Blake wrote:
> On 08/31/2010 03:41 AM, Lai Jiangshan wrote:
>> Hi, all
>> I encounter this problem when I try to send NMI to guest.
>> I don't know how. I think if I can access to the qemu-monitor, I can
>> just do this command in the qemu-monitor: "nmi<cpu#>".
>> But I don't know how to access to qemu-monitor, I think I can
>> get help here.
> The only way to do this with libvirt 0.8.1 is to write a wrapper script
> which adds arguments and invokes the real qemu, then point libvirt to
> the location of the wrapper instead of the real qemu.  Not the most
> trivial task.

Does this way breaks libvirt? libvirt also uses the qemu-monitor
If I change the arguments for monitor, I think it will break libvirt.
what I want to do is sending some commands to qemu-monitor,
I don't want to change existed things.

>> I noticed that libvirt 0.8.3 supports remote protocol and arbitrary
>> qemu commands,
>> but I did not found any document, how can I use it?
> That's different than the 0.8.1 of your subject line.  Yes, 0.8.3 makes
> it easier to add additional arbitrary arguments to the qemu command line
> via your XML file.  The list archives has several examples of this; most
> recently:
> https://www.redhat.com/archives/libvir-list/2010-August/msg00589.html

Another question, how can I use the remote protocol(arbitrary qemu monitor commands)?

Thanks, Lai.

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