Re: [Qemu-devel] [PATCH 2/2] qxl: surface0 and ram_header should fit into vram

[Radim Krčmář]

2015-02-17 09:02+0100, Gerd Hoffmann:
> On Mo, 2015-02-16 at 22:23 +0100, Radim Krčmář wrote:
> > The solution is not perfect, but won't let us do the same error again
> > and has no overhead.
> 
> How do you get qemu into a configuration where this isn't true?

Without [1/2], by setting qxl-vga.vgamem_mb > 128.
The segfault happens when qxl-vga.vgamem_mb > 256.

In both cases, qxl->vga.vram_size is rounded to 256, but in the latter
one, we allocate less memory than is later accessed.