Re: [Qemu-devel] Preconfig state reachable without --preconfig given

[Michal Privoznik]

On 06/01/2018 03:28 PM, Max Reitz wrote:
> Hi,
> 
> The @preconfig RunState documentation states:
> 
>> The state is reachable only if the --preconfig CLI option is used.
> 
> However, this is not true:
> 
> $ echo | x86_64-softmmu/qemu-system-x86_64 -monitor stdio
> QEMU 2.12.50 monitor - type 'help' for more information
> (qemu)
> HMP not available in preconfig state, use QMP instead

Not sure if this is the same bug, but I've noticed libvirt having
troubles detecting capabilities of qemu and debugging lead to this patch:

http://lists.nongnu.org/archive/html/qemu-devel/2018-06/msg00367.html

(which by no means I claim is proper solution. It might be viewed as
workaround by expert qemu devels)

> 
> On IRC, Daniel proposed doing the runstate transition immediately after
> the command line has been read and no --preconfig option has been found.
>  Doing that indeed fixes the issue for me (but I don't know whether
> that's the best solution).

Oh has he? I can't find it anywhere.

Michal