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    SubjectRe: 2.6.35-rc3 deadlocks on semaphore operations
    On Sat, 19 Jun 2010, Manfred Spraul wrote:

    > Hello Christoph,
    > On 06/18/2010 04:56 PM, Christoph Lameter wrote:
    > > One important fact that I forgot to mention: This is on a dual quad core
    > > dell box (8 hardware threads) with CONCURRENCY_LEVEL set to 9.
    > >
    > - Which version of make do you use? That would be one suspect that might use
    > semop().

    $ make --version
    GNU Make 3.81
    Copyright (C) 2006 Free Software Foundation, Inc.
    This is free software; see the source for copying conditions.
    There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A

    This program built for x86_64-pc-linux-gnu

    > - If I run make -j5 bzImage, then no semaphore arrays are used.
    > Could you try to figure out which executable is doing the 'semop()' call?

    Looks like this was ld

    > Or: what's the output of ps xawwwww_

    Need to do another run with a broken kernel for this.

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