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    SubjectRe: 2.6.17-rc5-mm1

    * Martin J. Bligh <mbligh@mbligh.org> wrote:

    > >AFAICS this isnt the lock validator but the normal mutex debugging code
    > >(CONFIG_DEBUG_MUTEXES). The log does not indicate that lockdep was
    > >enabled.
    >
    > Buggered if I know how that got turned on. I thought we turned it off
    > by default now? That's what screwed up all the perf results before.
    >
    > http://test.kernel.org/abat/33803/build/dotconfig
    > That's the build config it ran with.
    >
    > CONFIG_DEBUG_MUTEXES=y

    still ... it shouldnt have crashed on us. I did change it in -mm1 so
    i'll take a look tomorrow.

    > Grrr. Humpf. I can't see the option being turned on for lockdep ...
    > what was the config option, and is it enabled by default?

    these are the lock validator options in question:

    # CONFIG_PROVE_SPIN_LOCKING is not set
    # CONFIG_PROVE_RW_LOCKING is not set
    # CONFIG_PROVE_MUTEX_LOCKING is not set
    # CONFIG_PROVE_RWSEM_LOCKING is not set

    and they are off by default.

    Ingo
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