From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wanpeng Li <kernellwp@gmail.com>
Subject: Re: nVMX: APICv seems to cause breakages
Date: Tue, 21 Oct 2014 20:30:17 +0800
Message-ID: <544651D9.2020803@gmail.com>
References: <54450A04.9010103@siemens.com>
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Cc: kvm <kvm@vger.kernel.org>,
	Henning Schild <henning.schild@siemens.com>
To: Jan Kiszka <jan.kiszka@siemens.com>, Bandan Das <bsd@redhat.com>,
	"Zhang, Yang Z" <yang.z.zhang@intel.com>,
	Wanpeng Li <wanpeng.li@linux.intel.com>
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=E4=BA=8E 10/20/14, 9:11 PM, Jan Kiszka =E5=86=99=E9=81=93:
> Hi all,
>
> we just started a test with Jailhouse in a VM on a decently recent In=
tel
> box. It has APICv / posted interrupts support. And it breaks Jailhous=
e
> activation (L1 breakage, host seems to be fine). Loading kvm-intel wi=
th
> enable_apicv=3D0 resolves the issue. Henning started to debug from
> Jailhouse POV and found out it may be NMI IPI related. We will try to
> dig deeper, but any support is welcome regarding the APICv specialtie=
s.
>
> Could this also explain some of the incompatibilities you found, Yang=
?
> Maybe you want to check if more hypervisor work when APICv is off.

I will check it tomorrow. ;-)

Regards,
Wanpeng Li

> Jan
>