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Re: [Qemu-devel] [PATCH] ui: sdl2: Fix crash with -nodefaults -sdl

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH] ui: sdl2: Fix crash with -nodefaults -sdl
Date: Tue, 31 May 2016 22:49:55 +0100

On 31 May 2016 at 21:56, Cole Robinson <address@hidden> wrote:
> $ ./x86_64-softmmu/qemu-system-x86_64 -nodefaults -sdl
> Segmentation fault (core dumped)
> 0  0x00005555559631af in sdl_display_init (ds=<optimized out>, full_screen=0, 
> no_frame=<optimized out>) at ui/sdl2.c:822
> 1  0x00005555556c8a9a in main (argc=<optimized out>, argv=<optimized out>, 
> envp=<optimized out>) at vl.c:4527
> Setting the window icon assumes there's always an SDL output window
> available, which isn't the case with when there's no video device,
> like via -nodefaults. So don't try to set a window icon when we don't
> have any outputs.

Presumably we also crash for boards like the arm 'virt'
which just don't have a display device at all...

-- PMM

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