From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH 0/4] KVM: nVMX: prepare_vmcs02 optimizations
Date: Mon, 1 Jan 2018 10:36:19 +0100
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To: Wanpeng Li <kernellwp@gmail.com>
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On 28/12/2017 09:39, Wanpeng Li wrote:
> 2017-12-27 22:28 GMT+08:00 Paolo Bonzini <pbonzini@redhat.com>:
>> On 25/12/2017 11:08, Wanpeng Li wrote:
>>>> I observe L1(latest kvm/queue) panic and L0(latest kvm/queue)
>>>> calltrace, I'm not sure whether it is caused by this patchset.
>>> It can be reproduced steadily by running kvm-unit-tests in L1.
>>
>> It works here, can you show the L0 call trace and/or bisect it?
> 
> L0 call trace has already been posted here.
> https://lkml.org/lkml/2017/12/25/53 In addition, the splatting is
> still there after I revert the last 9 nVMX optimization patches in
> kvm/queue. So it is not caused by this patchset. :)

Hmm, maybe you're using "-cpu host,+umip"?  I'll check when I get back
to work tomorrow.

Paolo