From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: loosing IPMI-card by loading netconsole
Date: Sat, 15 May 2010 00:11:21 +0200
Message-ID: <4BEDCA89.7000707@kernel.org>
References: <20100514134544.GA26674@gretchen.aei.mpg.de>	 <DDC57477F5D6F845A0DDCB99D3C4812D0CA63BB9E4@orsmsx510.amr.corp.intel.com>	 <4BED79EB.1000204@kernel.org> <1273858653.15067.1335.camel@calx>
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Cc: "Ronciak, John" <john.ronciak@intel.com>,
	Henning Fehrmann <henning.fehrmann@aei.mpg.de>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@intel.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@intel.com>,
	"Allan, Bruce W" <bruce.w.allan@intel.com>,
	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@intel.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Carsten Aulbert <carsten.aulbert@aei.mpg.de>
To: Matt Mackall <mpm@selenic.com>
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Hello,

On 05/14/2010 07:37 PM, Matt Mackall wrote:
>> On 2.6.27.39, netconsole + IPMI works fine.  On 2.6.32.7, as soon as
>> netconsole is loaded, IPMI stops working.  Unloading netconsole
>> doesn't revive IPMI but detaching the driver from the controller does.
>> In both cases, usual networking works fine.
> 
> Looks like a job for bisect.

Yeap, sure, it would be effective but I kind of want to leave
bisection as the last resort.  Bisection is a somewhat painful process
especially when the machine isn't right next to you and someone who
has overall knowledge can often identify the problem much easier with
appropriate debugging info.

Thanks.

-- 
tejun