linux-kernel - Re: WARNING: Adjusting tsc more then 11%

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Message-ID: <CA+1xoqeKMVzSEMef+Yg6yBSyObN4pWA9cVf7t72SBJ0W==MNqQ@mail.gmail.com>
Date:	Mon, 5 Mar 2012 22:36:25 +0200
From:	Sasha Levin <levinsasha928@...il.com>
To:	John Stultz <john.stultz@...aro.org>
Cc:	Dave Jones <davej@...hat.com>,
	Fedora Kernel Team <kernel-team@...oraproject.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: WARNING: Adjusting tsc more then 11%

On Mon, Mar 5, 2012 at 10:27 PM, John Stultz <john.stultz@...aro.org> wrote:
> On Mon, 2012-03-05 at 22:16 +0200, Sasha Levin wrote:
>> On Mon, Mar 5, 2012 at 9:57 PM, Dave Jones <davej@...hat.com> wrote:
>> > On Mon, Mar 05, 2012 at 11:50:10AM -0800, John Stultz wrote:
>> >
>> >  > So it would be great to get further feedback from folks who are seeing
>> >  > this warning, so we can really hammer this out, but I don't want the
>> >  > warning spooking anyone into thinking things are terribly broken.
>> >
>> > One of the reports was from someone using vbox. I'm now wondering if
>> > the other users are using some other flavour of virt. I'll ask.
>>
>> I've reported this issue with regards to KVM before
>> (http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/85632) but
>> according to this thread it's not really KVM specific.
>>
>> It's easily reproducible using Dave's trinity running inside a KVM guest.
>
> Great! Do you have a link to trinity? (Google just gives me a video of
> its use and links to various churches)

Sure, the git tree is here: codemonkey.org.uk/projects/trinity/trinity.git

Basically just start 2*vcpu instances of trinity inside the guest and
wait a bit.
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