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    SubjectRe: PROBLEM: oops
    On Wed, 26 Aug 2009, Pawel Golaszewski wrote:
    > > > > > > could you try to reproduce without that?
    > > > > > >
    > > > > > > CONFIG_GROUP_SCHED=n
    > > > > > I'll try.
    > > > It seems that problem still exists - system has crashed too. From
    > > > netconsole: Any ideas? Last kernel I was using is 2.6.27.13 - works
    > > > fine. None between 13 and 31 tested...
    > > # git log --format=oneline v2.6.27.13..v2.6.27.31 kernel/sched*
    > > 2b46f3769896dc04e1e49144d282e4655677105a wait: prevent exclusive waiter starvation
    > >
    > > Nothing changed anywhere near the code that is falling apart..
    >
    > I have 2 machines with the same hardware and similar software. On one
    > .13 is stable - I will test it on the second one. Should be too.

    I've checked it - 2.6.27.13 is stable for me.

    Conclusion: there is something wrong between 2.6.27.13 and 2.6.27.31

    What can I do about that? I'm not kernel-hacker...

    > > Also:
    > >
    > > [20621.263297] BUG: unable to handle kernel paging request at ffffffd8
    > > [20621.263396] IP: [<c081cc50>] hrtick_start_fair+0x0/0x30
    > [...]
    > > Suggests something went terribly wrong and corrupted a fundamental
    > > data structure. Maybe turning on each and every debug feature related
    > > to memory debugging might help.

    --
    pozdr. Paweł Gołaszewski jid:blues<at>jabber<dot>gda<dot>pl
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