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From: Paolo Bonzini <pbonzini@redhat.com>
To: Wanpeng Li <kernellwp@gmail.com>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: "Radim Krčmář" <rkrcmar@redhat.com>,
	"Wanpeng Li" <wanpeng.li@hotmail.com>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	"Alexander Graf" <agraf@suse.de>,
	"Gabriel L. Somlo" <gsomlo@gmail.com>
Subject: Re: [PATCH] KVM: nVMX: fix MWAIT emulation for guests
Date: Thu, 4 May 2017 12:37:51 +0200	[thread overview]
Message-ID: <eaecfa0d-e541-bf8e-1d3a-26add59e2514@redhat.com> (raw)
In-Reply-To: <1493890648-9277-1-git-send-email-wanpeng.li@hotmail.com>



On 04/05/2017 11:37, Wanpeng Li wrote:
> 
> The kvm-unit-tests/vmx.flat fails against instruction(mwait) intercept test.
> 
> Test suite: instruction intercept
> Unhandled exception 13 #GP at ip 0000000000402397
> error_code=0000      rflags=00010012      cs=00000008
> rax=0000000000000000 rcx=0000000004006172 rdx=0000000000402397 rbx=000000000041427d
> rbp=0000000007ff8fdf rsi=0000000000000000 rdi=0000000000000004
>  r8=000000000000000a  r9=00000000000003f8 r10=0000000000000000 r11=0000000000000000
>  r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000
> cr0=0000000080010031 cr2=0000000000000000 cr3=0000000007fff000 cr4=0000000000002020
> cr8=0000000000000000
>  	STACK: @402397 401102 400459

The problem is simply that the tests were not clearing eax/ecx/edx.

Update kvm-unit-tests.git, it includes the "[PATCH] vmx: correctly set
up MONITOR and MWAIT" from April 27 (message id
1493309532-14398-1-git-send-email-pbonzini@redhat.com).

Thanks,

Paolo

  parent reply	other threads:[~2017-05-04 10:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-04  9:37 Wanpeng Li
2017-05-04  9:43 ` Alexander Graf
2017-05-04 10:37 ` Paolo Bonzini [this message]
2017-05-04 10:47   ` Wanpeng Li

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