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    SubjectRe: WARNING: Adjusting tsc more then 11%
    On 03/22/2012 12:11 PM, Sasha Levin wrote:
    > On Wed, Mar 7, 2012 at 3:13 AM, John Stultz<john.stultz@linaro.org> wrote:
    >> On Mon, 2012-03-05 at 22:36 +0200, Sasha Levin wrote:
    >>> On Mon, Mar 5, 2012 at 10:27 PM, John Stultz<john.stultz@linaro.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@redhat.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.
    >> So I left trinity running in a 2vcpu kvm guest for ~5 hours and haven't
    >> seen anything yet. Could you send me a .config for the guest kernel and
    >> maybe your kvm command line?
    >>
    >> Also, it shouldn't really matter, but are the guests 32bit or 64bit?
    >>
    >> thanks
    >> -john
    >>
    >>
    > Sorry, I missed this mail.
    >
    > You should start several trinity instances, probably 4-5 on a 2vcpu guest.
    >
    Ah. Sorry I misread the 2*vcpu as "on a 2 vcpu instance". Thanks for
    the clarification. Re-running tests now.

    thanks
    -john



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