netdev - Re: loosing IPMI-card by loading netconsole

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Message-ID: <4BEDCA89.7000707@kernel.org>
Date:	Sat, 15 May 2010 00:11:21 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Matt Mackall <mpm@...enic.com>
CC:	"Ronciak, John" <john.ronciak@...el.com>,
	Henning Fehrmann <henning.fehrmann@....mpg.de>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Carsten Aulbert <carsten.aulbert@....mpg.de>
Subject: Re: loosing IPMI-card by loading netconsole

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
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