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    SubjectRe: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten

    * David Miller <davem@davemloft.net> wrote:

    > From: Ingo Molnar <mingo@elte.hu>
    > Date: Thu, 17 Jul 2008 23:42:22 +0200
    >
    > >
    > > A regression to v2.6.26:
    > >
    > > I started getting this skb-head corruption message today, on a T60
    > > laptop with e1000:
    >
    > This is very unlikely to be added by us networking folks, no
    > networking merges have happened for the 2.6.27 merge window yet :-)

    yeah. That's why i observed:

    > > Perhaps SLUB debugging got smarter?

    and Cc:-ed SLUB folks. Could be a sleeper cell of bugs gone active ;-)

    Or could be SLUB (-debugging) breakage. Netconsole is pretty reliable on
    this box. (and the bootup continued just fine after this report)

    Just re-tried it, the bug is reliably repeatable. Will try a bisection
    run.

    Ingo


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