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Date:	Thu, 20 Mar 2014 10:47:31 -0400 (EDT)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	Thomas Gleixner <tglx@...utronix.de>
cc:	Vince Weaver <vincent.weaver@...ne.edu>,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: rb tree hrtimer lockup bug (found by perf_fuzzer)

On Thu, 20 Mar 2014, Thomas Gleixner wrote:

> Do you have DEBUG_OBJECTS_WORK and DEBUG_OBJECTS_FREE enabled?

yes.

> Find a more brute force method to get this decoded below. Full patch
> this time, please zap the old one. That should spill out the recent
> debug object calls and we can just hope, that we get enough history to
> find this horror.

The patch didn't compile, as "addr" was not known.  I guessed and changed 
it to "oaddr", but if that's not what you meant then the trace results 
might be useless.

> Btw, can you send me your .config file, so I might try to reproduce.

attached is the log (compressed as it was long this time) as well as the 
config I am using.

Vince
Download attachment "hrtimer_boot.log.bz2" of type "APPLICATION/octet-stream" (30570 bytes)

Download attachment "haswell.config.bz2" of type "APPLICATION/octet-stream" (33879 bytes)

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