On Thu, 10 Jan 2008 11:19:58 +0100
Guillaume Thouvenin <[EMAIL PROTECTED]> wrote:
> I tried but it didn't catch any vmentry failures (and I know that
> there is at least one during the test).
I think that there is a vmentry failure because qemu-system-x86_64
crashes with following error:
"exception 13 (33)"
I interpreted this as a vmentry failure because 33 is the exit reason
for a vmentry failure. The problem is that I don't find how to catch it
in kvm. I thought that something like:
static int
kvm_handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
{
u32 exit_reason = vmcs_read32(VM_EXIT_REASON);
struct vcpu_vmx *vmx = to_vmx(vcpu);
u32 vectoring_info = vmx->idt_vectoring_info;
if ( unlikely(exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY) )
// I should get it here no?
...
}
but exit_reason is never equal to VMX_EXIT_REASONS_FAILED_VMENTRY. Does
it mean that what I interpret as a vmentry failure due to invalid guest
state is in fact due to something else.
Any hints to catch the vmentry failure due to invalid guest state in
kvm?
Thanks,
Guillaume
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