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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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