[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] virtio-gpu: fix crashes upon warm reboot with v
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] [PATCH] virtio-gpu: fix crashes upon warm reboot with vga mode |
Date: |
Tue, 7 Aug 2018 14:55:58 +0200 |
User-agent: |
NeoMutt/20180622 |
On Fri, Aug 03, 2018 at 05:32:35PM +0200, Marc-André Lureau wrote:
> With vga=775 on the Linux command line a first boot of the VM running
> Linux works fine. After a warm reboot it crashes during Linux boot.
>
> Before that, valgrind points out bad memory write to console
> surface. The VGA code is not aware that virtio-gpu got a message
> surface scanout when the display is disabled. Let's reset VGA graphic
> mode when it is the case, so that a new display surface is created
> when doing further VGA operations.
I guess we should simply call vga_common_reset() in virtio_vga_reset()
instead, can you try that?
thanks,
Gerd