Message-ID: <490A3D2B.2060400@canonical.com>
Date: Thu, 30 Oct 2008 17:03:07 -0600
From: Tim Gardner <tim.gardner@canonical.com>
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To: "Luis R. Rodriguez" <mcgrof@gmail.com>
CC: Tomas Winkler <tomasw@gmail.com>,
       reinette chatre <reinette.chatre@linux.intel.com>,
       "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
       Linux-Kernel <linux-kernel@vger.kernel.org>,
       Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [MEMO] ftrace suckage++
References: <43e72e890810301445r665a0139g752fb1c97069fe59@mail.gmail.com>
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Luis R. Rodriguez wrote:
> As johannes pointed out to me the culprit to the e1000e corruption was
> determined to be ftrace related [1]. Well it seems I hit an oops with
> ftrace using iwlagn after a simple load of the module using
> wireless-testing. I'm not sure if john's tree yet has ftrace fixes.
> Both Fedora 10 and Ubuntu 8.10 had dynamic ftrace enabled so users on
> these first kernels and using compat-wireless may run into this so
> just putting this out there. I'll can check for this flag in
> compat-wireless for now and bitch/exit if its enabled unless someone
> has a better idea.
> 
> [1] http://lwn.net/Articles/303390/
> 

I disabled it in the 2.6.27 Intrepid Ubuntu kernel prior to release.

rtg
-- 
Tim Gardner tim.gardner@canonical.com
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