From: Wanpeng Li <kernellwp@gmail.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>
Cc: kvm <kvm@vger.kernel.org>, Henning Schild <henning.schild@siemens.com>
Subject: Re: nVMX: APICv seems to cause breakages
Date: Tue, 21 Oct 2014 20:30:17 +0800 [thread overview]
Message-ID: <544651D9.2020803@gmail.com> (raw)
In-Reply-To: <54450A04.9010103@siemens.com>
于 10/20/14, 9:11 PM, Jan Kiszka 写道:
> Hi all,
>
> we just started a test with Jailhouse in a VM on a decently recent Intel
> box. It has APICv / posted interrupts support. And it breaks Jailhouse
> activation (L1 breakage, host seems to be fine). Loading kvm-intel with
> enable_apicv=0 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 specialties.
>
> 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
>
prev parent reply other threads:[~2014-10-21 12:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-20 13:11 nVMX: APICv seems to cause breakages Jan Kiszka
2014-10-21 1:00 ` Zhang, Yang Z
2014-10-21 12:30 ` Wanpeng Li [this message]
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