From: Marcelo Tosatti <mtosatti@redhat.com>
To: Ruben Kerkhof <ruben@rubenkerkhof.com>
Cc: kvm <kvm@vger.kernel.org>
Subject: Re: EPT: Misconfiguration
Date: Fri, 21 Jan 2011 11:22:47 -0200 [thread overview]
Message-ID: <20110121132247.GA3097@amt.cnet> (raw)
In-Reply-To: <AANLkTinjt8G=mdEZK1a3qKozHw24uN0dfy2vUckbqwSZ@mail.gmail.com>
On Thu, Jan 20, 2011 at 12:48:00PM +0100, Ruben Kerkhof wrote:
> I'm suddenly getting lots of the following errors on a server running
> 2.36.7, but I have no idea what it means:
>
> 2011-01-20T12:41:18.358603+01:00 phy005 kernel: EPT: Misconfiguration.
> 2011-01-20T12:41:18.358621+01:00 phy005 kernel: EPT: GPA: 0x3dbff6b0
> 2011-01-20T12:41:18.358624+01:00 phy005 kernel:
> ept_misconfig_inspect_spte: spte 0x50743e007 level 4
> 2011-01-20T12:41:18.358627+01:00 phy005 kernel:
> ept_misconfig_inspect_spte: spte 0x523de2007 level 3
> 2011-01-20T12:41:18.358629+01:00 phy005 kernel:
> ept_misconfig_inspect_spte: spte 0x62336f007 level 2
> 2011-01-20T12:41:18.360109+01:00 phy005 kernel:
> ept_misconfig_inspect_spte: spte 0x1603a0730500d277 level 1
> 2011-01-20T12:41:18.360137+01:00 phy005 kernel:
> ept_misconfig_inspect_spte: rsvd_bits = 0x3a00000000000
> 2011-01-20T12:41:18.360151+01:00 phy005 kernel: ------------[ cut here
> ]------------
A shadow pagetable entry in memory has bits 45-49 set, which is not
allowed. Its probably bad memory if this errors were not present before
with the same workload and host software. Would be useful to see what
memtest86 says.
next prev parent reply other threads:[~2011-01-21 13:49 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 11:48 EPT: Misconfiguration Ruben Kerkhof
2011-01-20 11:59 ` Ruben Kerkhof
2011-01-21 13:22 ` Marcelo Tosatti [this message]
2011-01-25 14:44 ` Ruben Kerkhof
2011-01-25 17:39 ` Avi Kivity
2011-01-25 18:29 ` Ruben Kerkhof
2011-01-26 9:52 ` Avi Kivity
2011-01-26 15:00 ` Ruben Kerkhof
2011-02-10 15:23 ` Ruben Kerkhof
2011-02-13 2:07 ` Ruben Kerkhof
2011-02-13 13:03 ` Avi Kivity
2011-02-13 14:40 ` Ruben Kerkhof
2011-02-15 17:16 ` Marcelo Tosatti
2011-02-15 19:04 ` Ruben Kerkhof
2011-02-24 21:15 ` Ruben Kerkhof
2011-02-27 10:46 ` Avi Kivity
2011-03-05 18:57 ` Ruben Kerkhof
2011-02-13 12:58 ` Avi Kivity
2011-02-13 14:36 ` Ruben Kerkhof
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