linux-kernel - Re: linux-3.2.1 + KVM: TSC unstable on Core i5-2400S / H67

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Message-ID: <20120125132503.GA3399@sig21.net>
Date:	Wed, 25 Jan 2012 14:25:03 +0100
From:	Johannes Stezenbach <js@...21.net>
To:	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-3.2.1 + KVM: TSC unstable on Core i5-2400S / H67

On Wed, Jan 25, 2012 at 10:27:03AM -0200, Marcelo Tosatti wrote:
> On Tue, Jan 24, 2012 at 12:36:08PM +0100, Johannes Stezenbach wrote:
> > 
> > [23379.612251] usb 2-1.2: new high-speed USB device number 6 using ehci_hcd
> > [    0.006666] Marking TSC unstable due to KVM discovered backwards TSC
> > [23421.511167] Switching to clocksource hpet
...
> Can you please apply the following patch, and report back when it
> reproduces again.

I applied the patch and rebooted, I'll let you know
as soon as the issue reappears.

Thanks
Johannes
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