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    SubjectRe: 2.6.29-rc1: thinkpad problems during resume
    Date
    Am Freitag 16 Januar 2009 schrieb Pavel Machek:
    > Hi!
    >
    > > >> > Please let me know if that helped.
    > > >>
    > > >> I tested rc1+ these two reverts yesterday on my T61p. Doesnt work.
    > > >> There must be at least one more patch that broke S2R on my thinkpad.
    > > >> In fact, it is cpu hotplug that is broken (unplug works).
    > > >
    > > > I reproduced that: echo 0 > online works, echo 1 > online hangs. Will
    > > > compile SMP-less kernel to verify that there are no more problems...

    I made some progress on my T61p. git from yesterday + a revert of
    commit e39ad415ac15116df213dfa2aa2a4f1b0857af9c
    Author: Mike Travis <travis@sgi.com>
    Date: Sun Jan 4 05:18:10 2009 -0800

    cpumask: use work_on_cpu in acpi-cpufreq.c for read_measured_perf_ctrs

    makes cpu hotplug working again. Resume from suspend to ram is still broken on
    my Thinkpad. Looks like there is yet another patch to find....

    Ingo, Mike: reverting e39ad415ac15116df213dfa2aa2a4f1b0857af9c fixes cpu
    hotplug on my thinkpad. Any idea how to proceed? Should we revert that patch
    in Linus git until we know what was wrong?


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