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charset="utf-8" This combination is not allowed as of build 26300.7939 and results in: qemu-system-x86_64.exe: WHPX: Failed to setup partition, hr=3Dc0350005 qemu-system-x86_64.exe: failed to initialize whpx: Invalid argument Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index bb1afb9cd1..99c4d03f42 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -2145,7 +2145,7 @@ int whpx_accel_init(AccelState *as, MachineState *ms) goto error; } =20 - if (processor_features.Bank1.NestedVirtSupport) { + if (whpx_irqchip_in_kernel() && processor_features.Bank1.NestedVirtSup= port) { memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); prop.NestedVirtualization =3D 1; hr =3D whp_dispatch.WHvSetPartitionProperty( --=20 2.50.1 (Apple Git-155)