Re: [PATCH] KVM: nVMX: Fix L2 guest hang if shadow page tables on EPT

2017-03-22 Thread Paolo Bonzini
On 22/03/2017 14:44, Wanpeng Li wrote: > 2017-03-22 20:00 GMT+08:00 Ladi Prosek : >> On Sat, Mar 18, 2017 at 7:37 AM, Wanpeng Li wrote: >>> 2017-03-18 1:28 GMT+08:00 Ladi Prosek : On Fri, Mar 17, 2017 at 3:41 PM, Wanpeng Li wrote: > From: Wanpeng Li > > The L2 guest hang if sh

Re: [PATCH] KVM: nVMX: Fix L2 guest hang if shadow page tables on EPT

2017-03-22 Thread Wanpeng Li
2017-03-22 20:00 GMT+08:00 Ladi Prosek : > On Sat, Mar 18, 2017 at 7:37 AM, Wanpeng Li wrote: >> 2017-03-18 1:28 GMT+08:00 Ladi Prosek : >>> On Fri, Mar 17, 2017 at 3:41 PM, Wanpeng Li wrote: From: Wanpeng Li The L2 guest hang if shadow page tables on EPT, the trace on L1 shows th

Re: [PATCH] KVM: nVMX: Fix L2 guest hang if shadow page tables on EPT

2017-03-22 Thread Ladi Prosek
On Sat, Mar 18, 2017 at 7:37 AM, Wanpeng Li wrote: > 2017-03-18 1:28 GMT+08:00 Ladi Prosek : >> On Fri, Mar 17, 2017 at 3:41 PM, Wanpeng Li wrote: >>> From: Wanpeng Li >>> >>> The L2 guest hang if shadow page tables on EPT, the trace on L1 shows that >>> L2 kvm_exit reason EXCEPTION_NMI and page

Re: [PATCH] KVM: nVMX: Fix L2 guest hang if shadow page tables on EPT

2017-03-17 Thread Wanpeng Li
2017-03-18 1:28 GMT+08:00 Ladi Prosek : > On Fri, Mar 17, 2017 at 3:41 PM, Wanpeng Li wrote: >> From: Wanpeng Li >> >> The L2 guest hang if shadow page tables on EPT, the trace on L1 shows that >> L2 kvm_exit reason EXCEPTION_NMI and page fault repeatedly: >> >> qemu-system-x86-2821 [003] d..2

Re: [PATCH] KVM: nVMX: Fix L2 guest hang if shadow page tables on EPT

2017-03-17 Thread Paolo Bonzini
On 17/03/2017 18:28, Ladi Prosek wrote: > On Fri, Mar 17, 2017 at 3:41 PM, Wanpeng Li wrote: >> From: Wanpeng Li >> >> The L2 guest hang if shadow page tables on EPT, the trace on L1 shows that >> L2 kvm_exit reason EXCEPTION_NMI and page fault repeatedly: >> >> qemu-system-x86-2821 [003] d..2

Re: [PATCH] KVM: nVMX: Fix L2 guest hang if shadow page tables on EPT

2017-03-17 Thread Ladi Prosek
On Fri, Mar 17, 2017 at 3:41 PM, Wanpeng Li wrote: > From: Wanpeng Li > > The L2 guest hang if shadow page tables on EPT, the trace on L1 shows that > L2 kvm_exit reason EXCEPTION_NMI and page fault repeatedly: > > qemu-system-x86-2821 [003] d..245.848814: kvm_entry: vcpu 0 > qemu-system-x86

Re: [PATCH] KVM: nVMX: Fix L2 guest hang if shadow page tables on EPT

2017-03-17 Thread Paolo Bonzini
On 17/03/2017 15:41, Wanpeng Li wrote: > From: Wanpeng Li > > The L2 guest hang if shadow page tables on EPT, the trace on L1 shows that > L2 kvm_exit reason EXCEPTION_NMI and page fault repeatedly: > > qemu-system-x86-2821 [003] d..245.848814: kvm_entry: vcpu 0 > qemu-system-x86-2821 [

[PATCH] KVM: nVMX: Fix L2 guest hang if shadow page tables on EPT

2017-03-17 Thread Wanpeng Li
From: Wanpeng Li The L2 guest hang if shadow page tables on EPT, the trace on L1 shows that L2 kvm_exit reason EXCEPTION_NMI and page fault repeatedly: qemu-system-x86-2821 [003] d..245.848814: kvm_entry: vcpu 0 qemu-system-x86-2821 [003] ...145.848827: kvm_exit: reason EXCEPTION_NMI