On Wed, Jun 12, 2019 at 01:54:30PM -0700, Sean Christopherson wrote:
> The reboot thing is a red-herring. The ____kvm_handle_fault_on_reboot()
> macro suppresses faults that occur on VMX and SVM instructions while the
> kernel is rebooting (CPUs need to leave VMX/SVM mode to recognize INIT),
> i.e. kvm_spurious_fault() is reached when a VMX or SVM instruction faults
> and we're *not* rebooting.
>
> TL;DR: an SVM instruction is faulting unexpectedly.
Aha, thx!
And there are a couple of places in svm_vcpu_run() which can cause that:
[ 135.498208] Call Trace:
[ 135.498594] svm_vcpu_run+0xa83/0x20e0
George, can you objdump the area around offset 0xa83 within svm_vcpu_run
of the guest kernel?
Thx.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
