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Re: qemu: fatal: lockup...

From: Peter Maydell
Subject: Re: qemu: fatal: lockup...
Date: Fri, 10 Dec 2021 16:14:47 +0000

On Fri, 10 Dec 2021 at 15:44, abhijeet inamdar
<abhijeetinamdar3005@gmail.com> wrote:
> Hi,
> In the Qemu monitor:
> (qemu) info qom-tree
> /machine (vcpu-machine)
>   /peripheral (container)
>   /peripheral-anon (container)
>   /unattached (container)
>     /sysbus (System)

> What does this "Unattached" mean here?

"/unattached" is where all QOM objects which don't have an
explicit parent get put. More modern QEMU code generally
creates QOM objects and explicitly parents them; older code
does not. Machine model code often doesn't parent the devices
it creates, for instance.

The shape of the QOM tree doesn't generally make any
difference in practice to how things run.

-- PMM

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