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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Sun, 31 Jan 2016 22:57:38 +0100
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Subject: Re: [Qemu-devel] Strange monitor/stdout issue on
	qemu-system-sparc/qemu-system-ppc
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, qemu-devel <qemu-devel@nongnu.org>



On 31/01/2016 18:54, Peter Maydell wrote:
> On 31 January 2016 at 17:19, Paolo Bonzini <pbonzini@redhat.com> wrote:
>> On 31/01/2016 16:54, Mark Cave-Ayland wrote:
>>> I also notice that with the above commit I lose cycling through history
>>> in the GTK monitor - even with the multiple echo, instead of the up/down
>>> arrow keys cycling through the history instead I see the codes ^[[B and
>>> ^[[A being output to the window instead.
>>
>> That is probably me.  The echo feature was introduced for QMP, but in
>> theory it should have been limited to that.  I'll check it, thanks.
> 
> I've also seen echo, but only intermittently...

That smells like uninitialized memory or something like that.

Actually I'm fairly sure I tested "-monitor vc" at least, so perhaps
it's an interaction between the echo feature and "qemu-char: add logfile
facility to all chardev backends".  Anyway I'll look at it.

Paolo