http://bugzilla.suse.com/show_bug.cgi?id=1023358
http://bugzilla.suse.com/show_bug.cgi?id=1023358#c12
--- Comment #12 from Matwey Kornilov ---
I found that the following patch also helps work around the issue.
It seems that qemu says guest that it support tsc_deadline when it is not
supported in reality. See patch defcf51fa93929bd5d3ce5b91f8e6a106dae5e46, it
always say 'yes'.
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 41d09e5..8a56272 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -217,14 +217,6 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s,
uint32_t function,
* GET_SUPPORTED_CPUID
*/
ret |= CPUID_EXT_HYPERVISOR;
- /* tsc-deadline flag is not returned by GET_SUPPORTED_CPUID, but it
- * can be enabled if the kernel has KVM_CAP_TSC_DEADLINE_TIMER,
- * and the irqchip is in the kernel.
- */
- if (kvm_irqchip_in_kernel() &&
- kvm_check_extension(s, KVM_CAP_TSC_DEADLINE_TIMER)) {
- ret |= CPUID_EXT_TSC_DEADLINE_TIMER;
- }
/* x2apic is reported by GET_SUPPORTED_CPUID, but it can't be enabled
* without the in-kernel irqchip
--
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