Actually in any version this can never work, as you call
sdl_switch(dcl,NULL);
in ui/sdl.c:552. So the dereferncing statement
new_surface->format
must SEGFAULT.
The obvious patch is very simple, of course, as just the statement below
line 128 asks if(new_surface). So pf should be initialized after this
check:
diff --git a/ui/sdl.c b/ui/sdl.c
index 138ca73..c4fa1f6 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -125,12 +125,13 @@ static void do_sdl_resize(int width, int height, int bpp)
static void sdl_switch(DisplayChangeListener *dcl,
DisplaySurface *new_surface)
{
- PixelFormat pf = qemu_pixelformat_from_pixman(new_surface->format);
+ PixelFormat pf;
/* temporary hack: allows to call sdl_switch to handle scaling changes */
if (new_surface) {
surface = new_surface;
}
+ pf = qemu_pixelformat_from_pixman(surface->format);
if (!scaling_active) {
do_sdl_resize(surface_width(surface), surface_height(surface), 0);
--
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https://bugs.launchpad.net/bugs/1412098
Title:
qemu crashes when ctrl-alt-u is pressed
Status in QEMU:
New
Bug description:
Qemu version: 2.2.0 release, compiled from source
Host OS: Windows 7 Ultimate x64
Guest OS: not applicable, crash occurs even without OS and occurs with all OSs
Executable: qemu-system-i386.exe or qemu-system-i386w.exe
To reproduce:
Start qemu-system-i386 or qemu-system-i386w without any options. Press
CTRL-ALT-U, which is supposed to rescale the window. Instead, qemu just crashes.
Compilation:
Qemu 2.2.0 release compiled from sources under MinGW on the host.
Configure options used:
'../qemu-2.2.0/configure' '--python=C:/Python27/python'
'--prefix=/mingw/build/qemu-2.2.0-bin' '--target-list=i386-softmmu'
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