linux-kernel - Re: perf bug: bad page map

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Message-ID: <20131118153629.GA28679@gmail.com>
Date:	Mon, 18 Nov 2013 16:36:29 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Vince Weaver <vincent.weaver@...ne.edu>,
	LKML <linux-kernel@...r.kernel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	tytso@....edu, adilger.kernel@...ger.ca
Subject: Re: perf bug: bad page map


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Fri, Nov 15, 2013 at 01:04:23PM -0500, Vince Weaver wrote:
> > 
> > (figured out the minicom issue).
> > 
> > Anyway while trying to reproduce the last bug I instead got this 
> > with the perf_fuzzer.
> > 
> > Is it worth continuing to run and report these issues?  I'm losing 
> > track of all the open bugs.
> 
> This is looks like ext4. Not entirely sure how perf ties into this.
> 
> Anyway, yes, I do think its useful to keep running these tests, we 
> do fix various issues -- although probably not at the rate you seem 
> to be finding them.

I'm trying to slow down the merging of kernel side features, so that 
the fixing effort has a chance to catch up...

Thanks,

	Ingo
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