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    SubjectRe: [PATCH RFC 0/41] RCU commits for 3.4
    Date
    "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> writes:

    > On Thu, Feb 02, 2012 at 02:47:14PM -0800, Kevin Hilman wrote:
    >> Hi Paul,
    >>
    >> "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> writes:
    >>
    >> > This patchset makes RCU more aggressive about entering dyntick-idle mode
    >> > in order to improve energy efficiency,
    >>
    >> I gave this series a spin on an ARM/SMP platform (OMAP4) and the boot
    >> hung (tail end of boot log below.) I then realized that had isolcpus=1
    >> on the cmdline from a previous experiment. Removing isolcpus from the
    >> cmdline got me back to a working boot.
    >>
    >> IIRC, some want to remove isolcpus, so I'm not sure if it's expected to
    >> work with your series, but thought you'd want to know.
    >
    > Not expected behavior, thank you for testing!
    >
    > Could you please share your .config?

    Sure, attached.

    Kevin

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