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[Qemu-devel] [PATCH] secondary-vga: unregister vram on unplug.

From: remy . noel
Subject: [Qemu-devel] [PATCH] secondary-vga: unregister vram on unplug.
Date: Fri, 20 Jul 2018 10:19:48 +0200

From: "Remy Noel" <address@hidden>

When removing a secondary-vga device and then adding it back (or adding
an other one), qemu aborts with:
    "RAMBlock "0000:00:02.0/vga.vram" already registered, abort!".

It is caused by the vram staying registered, preventing vga replugging.

Signed-off-by: Remy Noel <address@hidden>
 hw/display/vga-pci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index e9e62eac70..1c89571e46 100644
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -288,6 +288,7 @@ static void pci_secondary_vga_exit(PCIDevice *dev)
     VGACommonState *s = &d->vga;
+    vmstate_unregister_ram(&s->vram, DEVICE(dev));
 static void pci_secondary_vga_init(Object *obj)

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