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From: Markus Armbruster <armbru@redhat.com>
References: <4F6DB249-3CB6-4D59-8330-CFDE7A252D47@livius.net>
Date: Thu, 28 Jul 2016 12:22:21 +0200
In-Reply-To: <4F6DB249-3CB6-4D59-8330-CFDE7A252D47@livius.net> (Liviu
	Ionescu's message of "Wed, 27 Jul 2016 22:40:02 +0300")
Message-ID: <87popyysde.fsf@dusky.pond.sub.org>
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Subject: Re: [Qemu-devel] invalid runstate transition: 'prelaunch' ->
 'prelaunch'
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To: Liviu Ionescu <ilg@livius.net>
Cc: qemu-devel@nongnu.org, Peter Maydell <peter.maydell@linaro.org>

Liviu Ionescu <ilg@livius.net> writes:

> Hi,
>
> I just upgraded GNU ARM Eclipse QEMU to 2.6.0 and ran into a problem.
>
> The console reads:
>
> ```
> GNU ARM Eclipse 64-bits QEMU v2.6.0 (qemu-system-gnuarmeclipse).
> Board: 'STM32F4-Discovery' (ST Discovery kit for STM32F407/417 lines).
> Device: 'STM32F407VG' (Cortex-M4 r0p0, MPU), Flash: 1024 kB, RAM: 128 kB.
> Command line: 'test' (4 bytes).
> Cortex-M4 r0p0 core initialised.
> GDB Server listening on: 'tcp::1234'...
> Cortex-M4 r0p0 core reset.
> ... connection accepted from 127.0.0.1.
>
> Execute 'mon system_reset'.
>
> Cortex-M4 r0p0 core reset.
> qemu-system-gnuarmeclipse: invalid runstate transition: 'prelaunch' -> 'prelaunch'
[...]

Looks like you need this one:

commit e92a2d9cb3d8f589c9fe5d2eacc83d8dddea0e16
Author: Li Zhijian <lizhijian@cn.fujitsu.com>
Date:   Thu Apr 14 11:25:52 2016 +0800

    vl: change runstate only if new state is different from current state
    
    Previously, qemu will abort at following scenario:
    (qemu) stop
    (qemu) system_reset
    (qemu) system_reset
    (qemu) 2016-04-13T20:54:38.979158Z qemu-system-x86_64: invalid runstate transition: 'prelaunch' -> 'prelaunch'
    
    Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
    Acked-by: Paolo Bonzini <pbonzini@redhat.com>
    Message-Id: <1460604352-18630-1-git-send-email-lizhijian@cn.fujitsu.com>
    Cc: qemu-stable@nongnu.org
    Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>