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Re: [Qemu-devel] Monitor and serial output window broken with SDL2

From: Daniel P . Berrangé
Subject: Re: [Qemu-devel] Monitor and serial output window broken with SDL2
Date: Tue, 18 Dec 2018 11:16:03 +0000
User-agent: Mutt/1.10.1 (2018-07-13)

On Tue, Dec 18, 2018 at 10:54:06AM +0000, Mark Cave-Ayland wrote:
> On 17/12/2018 14:56, BALATON Zoltan wrote:
> > I still have this problem after updating everything on my machine, latest 
> > QEMU and
> > SDL 2.0.9 so it's not likely to be a bug in some external component. If I 
> > just start
> > qemu-system-ppc (compiled with --disable-gtk) and try to open monitor 
> > console with
> > Ctrl-Alt-2 I see QEMU monitor but when I type in this window the serial 
> > output window
> > contents flash in this window. At the same time the window that opens for 
> > Ctrl-Alt-3
> > which should have the serial output is empty. It looks like an index may be 
> > off
> > somewhere or window contents are not associated with the right window but I 
> > have no
> > idea where to look for it. Can you reproduce it now and do you have any 
> > idea what
> > could cause this?
> Are you using Fedora Core 29 at all? I know Howard has been experiencing 
> redraw
> issues since upgrading from FC 28 to FC 29. A couple of other things to check:

There is no "Fedora Core" since Fedora Core 6, just Fedora :-P

But seriously, I teted on Fedora 29 and didn't see any problem, so there
must be some more specific scenario that is hurting it.

> 1) Does QEMU 3.0 work correctly? If so, a bisection would help.
> 2) Are you using an Nvidia graphics card with the nouveau driver?

This second point is a good idea to consider.

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