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Re: [PATCH] hw/i386/pc: xen: reinstate the "xenfv" machine alias
- To: Dario Faggioli <dfaggioli@xxxxxxxx>, qemu-devel@xxxxxxxxxx
- From: Philippe Mathieu-Daudé <philmd@xxxxxxxxxxxxxxxx>
- Date: Sat, 15 Aug 2026 15:53:13 +0200
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- Cc: philmd@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, sstabellini@xxxxxxxxxx, anthony@xxxxxxxxxxxxxx, paul@xxxxxxx, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Richard Henderson <richard.henderson@xxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>
- Delivery-date: Sat, 15 Aug 2026 13:53:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 30/7/26 18:22, Dario Faggioli wrote:
Commit 7d2778dea32a4924a469f1cc5767042c8f5b4eea ("hw/i386/pc:
Remove deprecated pc-q35/pc-i440fx/xenfv 3.1 machines") removed
the Xen machine type that was providing the "xenfv" alias. As a
consequence, since the tools are apparently relying on such alias,
we're getting this, as soon as one tries to start a Xen (HVM) VM:
qemu-system-i386: unsupported machine type: "xenfv"
Use -machine help to list supported machines
Reinstate the alias and let it point to the only Xen machine we
still have.
Fixes: 7d2778dea3 hw/i386/pc: Remove deprecated pc-q35/pc-i440fx/xenfv 3.1
machines
Signed-off-by: Dario Faggioli <dfaggioli@xxxxxxxx>
---
hw/i386/pc_piix.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 82457bdb16..0a911ce59e 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -658,6 +658,7 @@ static void xenfv_machine_4_2_options(MachineClass *m)
{
pc_i440fx_machine_4_2_options(m);
m->desc = "Xen Fully-virtualized PC";
+ m->alias = "xenfv";
m->max_cpus = HVM_MAX_VCPUS;
m->default_machine_opts = "accel=xen,suppress-vmdesc=on";
}
Oops.
Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxxxxxxxx>
Queued adding the @stable tag for backport.
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