----- Original Message ----- > From: "Jan Kiszka" <jan.kis...@web.de> > To: "Eduardo Habkost" <ehabk...@redhat.com>, "Paolo Bonzini" > <pbonz...@redhat.com> > Cc: "qemu-devel" <qemu-devel@nongnu.org>, "kvm" <k...@vger.kernel.org> > Sent: Saturday, February 20, 2016 9:09:32 AM > Subject: kvm: "warning: host doesn't support requested feature: > CPUID.01H:ECX.x2apic [bit 21]" > > Hi all, > > I suppose 5120901a37 introduced this: qemu with kernel_irqchip=off now > generates these warnings, one per VCPU, during QEMU startup. Is the plan > to live with them until we finally have x2APIC emulation in userspace > (ie. also MSR vmexiting to there), or should we otherwise avoid it?
I think it's a bug, x2apic should be auto-suppressed with kernel_irqchip=off. Paolo
