[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] vga: print friendly error message in case multiple
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH] vga: print friendly error message in case multiple vga devices are added |
Date: |
Mon, 7 May 2018 12:10:13 +0200 |
... to a virtual machine. Without that we fail a ramblock register
sanity check, leading to a abort(), which isn't exactly user friendly.
https://bugzilla.redhat.com/show_bug.cgi?id=1206037
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/display/vga.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 72181330b8..328b6413ad 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -2184,6 +2184,14 @@ void vga_common_init(VGACommonState *s, Object *obj,
bool global_vmstate)
}
s->vbe_size_mask = s->vbe_size - 1;
+ if (global_vmstate) {
+ static int have_vga;
+ if (have_vga) {
+ error_report("only one vga device is supported");
+ exit(1);
+ }
+ have_vga = true;
+ }
s->is_vbe_vmstate = 1;
memory_region_init_ram_nomigrate(&s->vram, obj, "vga.vram", s->vram_size,
&error_fatal);
--
2.9.3
- [Qemu-devel] [PATCH] vga: print friendly error message in case multiple vga devices are added,
Gerd Hoffmann <=
Re: [Qemu-devel] [PATCH] vga: print friendly error message in case multiple vga devices are added, Eric Blake, 2018/05/07