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    SubjectRe: [Bug #17752] 2.6.36-rc3: inconsistent lock state (iprune_sem, shrink_icache_memory)
    Rafael J. Wysocki wrote:
    > This message has been generated automatically as a part of a summary report
    > of recent regressions.
    >
    > The following bug entry is on the current list of known regressions
    > from 2.6.35. Please verify if it still should be listed and let the tracking team
    > know (either way).
    >
    >
    > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=17752
    > Subject : 2.6.36-rc3: inconsistent lock state (iprune_sem, shrink_icache_memory)
    > Submitter : Stefan Richter <stefanr@s5r6.in-berlin.de>
    > Date : 2010-09-01 6:37 (20 days old)
    > Message-ID : <tkrat.ed8eda6bc8ffe64e@s5r6.in-berlin.de>
    > References : http://marc.info/?l=linux-kernel&m=128332308528119&w=2

    I think this should not be marked as a regression. See the older reports of
    very similar issues (in my LKML mail from September 3, logged in bugzilla in
    comment #1)
    http://lkml.org/lkml/2010/1/15/76 (2.6.33-rc, xfs involved)
    http://lkml.org/lkml/2010/1/18/108 (2.6.32.y, ntfs involved)
    and hch's analysis in the first of these two threads
    http://lkml.org/lkml/2010/1/19/267 (several filesystems and
    other code paths)
    So, unless my trace was a code path that only newly acquired that oldproblem
    of other code paths, this is an older issue. Alas this is not obvious to me
    at least from the log that I got.

    I did not have lockdep enabled on the machine which delivered the log during
    the last few months or so; I just remembered to re-enable it at the occasion
    of switching to 2.6.36-rc.
    --
    Stefan Richter
    -=====-==-=- =--= =-=--
    http://arcgraph.de/sr/


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