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    SubjectRe: kernel 2.6.39 (user mode linux) crashes (2.6.38 works fine)
    From
    2011/5/21 Toralf Förster <toralf.foerster@gmx.de>:
    >
    > Toralf Förster wrote at 00:53:50
    >> Bisecting gave :
    >>
    >>
    >> git bisect badd123375425d7df4b6081a631fc1203fceafa59b2 is the first bad
    >> commit commit d123375425d7df4b6081a631fc1203fceafa59b2
    >> Author: Thomas Gleixner <tglx@linutronix.de>
    >> Date:   Wed Jan 26 21:32:01 2011 +0100
    >>
    >>     rwsem: Remove redundant asmregparm annotation
    >>
    >>     Peter Zijlstra pointed out, that the only user of asmregparm (x86) is
    >>     compiling the kernel already with -mregparm=3. So the annotation of
    >>     the rwsem functions is redundant. Remove it.
    >
    > BTW I double checked that this commit is the culprit of the hang - it is.
    > Furthermore I added these kernel config options :

    Toralf,

    does this patch fix your problem?
    http://userweb.kernel.org/~rw/rwsem.diff

    Please do a make clean before rebuilding...

    --
    Thanks,
    //richard
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