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Re: How to initiate power-off in quest with new microvm machine type


From: Peter Maydell
Subject: Re: How to initiate power-off in quest with new microvm machine type
Date: Tue, 12 Nov 2019 15:26:33 +0000

On Tue, 12 Nov 2019 at 15:22, Waldek Kozaczuk <address@hidden> wrote:
>
> Hi,
>
> I am referring to the machine type described here - 
> https://github.com/qemu/qemu/blob/master/docs/microvm.rst. I would like to 
> know how to initiate power-off sequence from a guest given that ACPI is not 
> available. On firecracker the only way is generating Ctrl-Alt-Del keyboard 
> event by writing proper value to the keyboard controller port 0xfe like so:
>
> outb(0x64, 0xfe);
>
> What is the corresponding mechanism on QEMU with microvm machine?

I've cc'd the maintainers of the microvm machine, who hopefully
will know the answer.

thanks
-- PMM



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