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    SubjectRe: 2.6.24-rc6-git12: Reported regressions from 2.6.23
    On Jan 6, 2008 2:11 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
    >
    > On Sunday, 6 of January 2008, Parag Warudkar wrote:
    > > On Jan 6, 2008 7:57 AM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
    > > > On Sunday, 6 of January 2008, Ingo Molnar wrote:
    > > > >
    > > > > * Rafael J. Wysocki <rjw@sisk.pl> wrote:
    > > > >
    > > > > > Subject : soft lockup - CPU#1 stuck for 15s! [swapper:0]
    > > > > > Submitter : "Parag Warudkar" <parag.warudkar@gmail.com>
    > > > > > Date : 2007-12-07 18:14
    > > > > > References : http://lkml.org/lkml/2007/12/7/299
    > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=9525
    > > > > > Handled-By : "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
    > > > > > Thomas Gleixner <tglx@linutronix.de>
    > > > > > Ingo Molnar <mingo@elte.hu>
    > > > >
    > > > > i think this only occurs with cpuidle, right? drivers/cpuidle/ and
    > > > > CPU_IDLE is new in 2.6.24 so this appears to be a bug in that code (or a
    > > > > bug elsewhere triggered by that code), not a regression from v2.6.23.
    > > >
    > > > OK, removed from the regressions list.
    > >
    > > Nope - actually it did happen without CPU_IDLE so it is definitely a regression.
    > > (See http://lkml.org/lkml/2007/12/17/93 )
    > >
    > > And it does happen with latest git which I believe has your patch Ingo.
    > >
    > > So I would suggest to keep it on the list of regressions.
    >
    > OK
    >
    > Thanks for the clarification.
    >

    BTW, I have so far tested 2.6.24-rc4/5/6/7 and 2.6.23.12 - all of
    which have this problem.

    Yesterday I went back to using 2.6.22.15 and after a day's uptime it
    has not reproduced with the same config.

    Time for git-bisect I suppose? (the only problem is that this takes
    anywhere between 20 minutes to 8 hrs to confirm reliably.)

    Parag


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