From: Andreas Kinzler <ml-xen-devel@hfp.de>
To: Bruce Edge <bruce.edge@gmail.com>
Cc: xen-devel@lists.xensource.com, xen-users@lists.xensource.com
Subject: Re: Re: [Xen-users] dom0 hangs in xen 4.0.1-rc3-pre
Date: Mon, 27 Sep 2010 16:50:51 +0200 [thread overview]
Message-ID: <4CA0AF4B.7040308@hfp.de> (raw)
In-Reply-To: <AANLkTi=zOvevpMMX1oQCfWQomzvSnrv+qhapx-TNtk3H@mail.gmail.com>
On 27.09.2010 16:32, Bruce Edge wrote:
>>> Does this affect all Nehalem chips or only the Lynnfields? The .21 kernel
>>> is causing grief for us too. I was wondering if this was related.
>> I am still researching this. For testing I bought a test system with
>> Westmere-EP (Xeon E5620) which has ARAT. This system worked stable while
>> Intel still lists it as having the C6 errata. This leads me to the
>> conclusion that the HPET timer migration code (called HPET broadcast) from
>> Xen is the root cause. This affects all CPUs that use it - but mainly
>> Nehalem because of turbo mode.
> Thanks for the info. I'll try disabling turbo mode in the BIOS and see if
> that helps.
> Let me know if there's anything I can run/do/test/etc.
If you want to check the issue I am referring to then you need to apply
my patch from:
http://lists.xensource.com/archives/html/xen-devel/2010-09/msg00556.html
Do not modify the BIOS settings in any way.
Regards Andreas
next prev parent reply other threads:[~2010-09-27 14:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-24 4:22 dom0 hangs in xen 4.0.1-rc3-pre Jia Rao
2010-09-24 10:27 ` [Xen-devel] " Pasi Kärkkäinen
2010-09-24 19:08 ` Jeremy Fitzhardinge
2010-09-24 20:48 ` Jia Rao
2010-09-24 21:01 ` Jia Rao
2010-09-25 12:12 ` Andreas Kinzler
2010-09-26 1:12 ` [Xen-users] " Jia Rao
2010-09-27 14:06 ` Bruce Edge
2010-09-27 14:22 ` [Xen-users] " Andreas Kinzler
2010-09-27 14:32 ` Bruce Edge
2010-09-27 14:50 ` Andreas Kinzler [this message]
2010-09-28 1:57 ` [Xen-devel] " Jiang, Yunhong
2010-09-28 8:25 ` Andreas Kinzler
2010-09-28 16:04 ` Bruce Edge
2010-09-29 17:46 ` Andreas Kinzler
2010-09-29 18:01 ` Re: [Xen-users] " Bruce Edge
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