linux-kernel - Re: [PATCH][RFC] tracing: Use class->reg() for all registering of events

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Message-ID: <20100610140741.GA14096@ghostprotocols.net>
Date:	Thu, 10 Jun 2010 11:07:41 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>
Subject: Re: [PATCH][RFC] tracing: Use class->reg() for all registering of
 events

Em Thu, Jun 10, 2010 at 01:57:45PM +0530, Srikar Dronamraju escreveu:
> > > 
> > > Can you please provide a backtrace? I think I know what the problem is,
> > > but I'm not managing to reproduce it here.
> > > 
> > > > > > I am now able to workaround the problem by uninstalling newt-devel.
> > 
> > If you can reinstall it and then try with the following patch, that is
> > the minimal for .35, I'd appreciate,
> 
> Yes, this patch fixes the problem where perf record would fail with
> floating point exception when newt-devel was installed.
> 
> Thanks Arnaldo.

Thanks for testing, I didn't manage to reproduce it here, perhaps the
newt release I have does some checks and notices that newtInit wasn't
called, anyway, I'll push this patch to Ingo right now.

- Arnaldo
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