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From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Jens Seidel <jensseidel@users.sf.net>, linux-kernel@vger.kernel.org
Cc: xen-devel@lists.xensource.com
Subject: Re: CE: xen increasing min_delta_ns to 7651397591976463850 nsec / pvops domU
Date: Thu, 25 Feb 2010 23:44:42 +0200	[thread overview]
Message-ID: <20100225214442.GG2761@reaktio.net> (raw)
In-Reply-To: <20100222082657.GA26436@merkur.sol.de>

Hello,

CCing to xen-devel..

-- Pasi

On Mon, Feb 22, 2010 at 09:26:59AM +0100, Jens Seidel wrote:
> Hi,
> 
> I'm using vanilla 2.6.32.7 domU kernel with Xen 3.2 and get very often a
> unresponsible system after approximately one or two days with messages such as
> 
> [43616.674502] CE: xen increasing min_delta_ns to 16086592372704132408 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 5683144485346646996 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 17748088764874746302 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 17398761110457343644 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 7651397591976463850 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 2253724351109919966 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 3380586526664879948 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 5070879789997319922 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 7606319684995979882 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 11409479527493969822 nsec
> [43616.674502] CE: xen increasing min_delta_ns to 17114219291240954732 nsec
> 
> on the console. I fail to login via ssh and even to cleanly shutdown this
> system via xm <id> shutdown. sysrq requests still work.
> 
> I searched the net but found only messages with 15000 nsec. My values are a
> little bit larger :-)) Found references to the kernel parameter notsc and
> tried it but the problem remains.
> 
> The problem started once I upgraded the kernel from 2.6.26 to 2.6.32.7.
> I changed from 32bit to 64bit but apart from this I did only a make oldconfig.
> That's why I think it's not my config which causes trouble.
> 
> Any ideas? Is it a known problem?
> 
> PS: Please CC: me.
> 


  reply	other threads:[~2010-02-25 21:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-22  8:26 CE: xen increasing min_delta_ns to 7651397591976463850 nsec Jens Seidel
2010-02-25 21:44 ` Pasi Kärkkäinen [this message]
2010-02-25 22:33   ` CE: xen increasing min_delta_ns to 7651397591976463850 nsec / pvops domU Jens Seidel

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