2016-07-07 1:11 GMT+08:00 Paolo Bonzini :
>
>
> On 06/07/2016 18:03, Haozhong Zhang wrote:
This patch also fixed the crash of L1 Xen with L2 HVM guest. Xen does
not enable preemption timer for HVM guests, and will get panic if it
receives a preemption timer vmexit.
>>>
>>> Thanks! I
2016-07-07 1:11 GMT+08:00 Paolo Bonzini :
>
>
> On 06/07/2016 18:03, Haozhong Zhang wrote:
This patch also fixed the crash of L1 Xen with L2 HVM guest. Xen does
not enable preemption timer for HVM guests, and will get panic if it
receives a preemption timer vmexit.
>>>
>>> Thanks! I
2016-07-06 21:26 GMT+08:00 Haozhong Zhang :
> On 07/06/16 19:42, Wanpeng Li wrote:
>> From: Wanpeng Li
>>
>> BUG: unable to handle kernel NULL pointer dereference at (null)
>> IP: [< (null)>] (null)
>> PGD 0
>> Oops: 0010 [#1] SMP
>> Call Trace:
>> ? kvm_lapic_expired
On 06/07/2016 18:03, Haozhong Zhang wrote:
>>> This patch also fixed the crash of L1 Xen with L2 HVM guest. Xen does
>>> not enable preemption timer for HVM guests, and will get panic if it
>>> receives a preemption timer vmexit.
>>
>> Thanks! I'm still not sure why the bit is set in the vmcs02
On 07/06/16 15:32, Paolo Bonzini wrote:
>
>
> On 06/07/2016 15:26, Haozhong Zhang wrote:
> > On 07/06/16 19:42, Wanpeng Li wrote:
> >> From: Wanpeng Li
> >>
> >> BUG: unable to handle kernel NULL pointer dereference at (null)
> >> IP: [< (null)>] (null)
> >> PGD 0
>
On 06/07/2016 15:26, Haozhong Zhang wrote:
> On 07/06/16 19:42, Wanpeng Li wrote:
>> From: Wanpeng Li
>>
>> BUG: unable to handle kernel NULL pointer dereference at (null)
>> IP: [< (null)>] (null)
>> PGD 0
>> Oops: 0010 [#1] SMP
>> Call Trace:
>> ? kvm_lapic_expir
On 07/06/16 19:42, Wanpeng Li wrote:
> From: Wanpeng Li
>
> BUG: unable to handle kernel NULL pointer dereference at (null)
> IP: [< (null)>] (null)
> PGD 0
> Oops: 0010 [#1] SMP
> Call Trace:
> ? kvm_lapic_expired_hv_timer+0x47/0x90 [kvm]
> handle_preemption_timer
From: Wanpeng Li
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [< (null)>] (null)
PGD 0
Oops: 0010 [#1] SMP
Call Trace:
? kvm_lapic_expired_hv_timer+0x47/0x90 [kvm]
handle_preemption_timer+0xe/0x20 [kvm_intel]
vmx_handle_exit+0x169/0x15a0 [kv
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