From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: "Kay, Allen M" <allen.m.kay@intel.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Keir Fraser <keir.xen@gmail.com>,
"Tim.Deegan@citrix.com" <Tim.Deegan@citrix.com>,
Jan Beulich <JBeulich@novell.com>
Subject: Re: XEN) vmx.c:2652:d1 Bad vmexit (reason 31) with Xen 4.0.1-rc7-pre (cs/ 23029)
Date: Mon, 21 Mar 2011 07:35:25 -0400 [thread overview]
Message-ID: <20110321113525.GC4429@dumpdata.com> (raw)
In-Reply-To: <987664A83D2D224EAE907B061CE93D53019DCEE5D9@orsmsx505.amr.corp.intel.com>
On Sun, Mar 20, 2011 at 03:43:07PM -0700, Kay, Allen M wrote:
> Konrad,
>
> I believe sharept=0 is the default. If it is set to sharept=1, the code is enabled only on the systems that has compatible EPT and VT-d page table format. There is no such hardware on the market yet.
>
> What type of NHM SDP do you have? Is it a HEDT (High End Desktop) with a add-on graphics card? I have been using a Westmere EP system (NHM architecture generation) and have not seen this problem. I also have ready access to Ironlake SDP's I can test on if you see the same problem on Ironlake (i.e. core i5) systems.
Not sure how to identify it. The motherboard does require a discrete graphic card.
>
> Do you see the same problem if you do iommu=0 in the grub?
I tried 'iommu=off' but I think that is the same thing.
Let me try 'iommu=0' just to make sure.
prev parent reply other threads:[~2011-03-21 11:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-17 20:26 XEN) vmx.c:2652:d1 Bad vmexit (reason 31) with Xen 4.0.1-rc7-pre (cs/ 23029) Konrad Rzeszutek Wilk
2011-03-17 20:34 ` Konrad Rzeszutek Wilk
2011-03-17 23:27 ` Keir Fraser
2011-03-18 0:10 ` Konrad Rzeszutek Wilk
2011-03-18 0:47 ` Konrad Rzeszutek Wilk
2011-03-18 7:55 ` Jan Beulich
2011-03-18 15:31 ` Keir Fraser
2011-03-20 20:37 ` Konrad Rzeszutek Wilk
2011-03-20 22:43 ` Kay, Allen M
2011-03-21 11:35 ` Konrad Rzeszutek Wilk [this message]
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