From: Matt Mackall <mpm@selenic.com>
To: Tejun Heo <tj@kernel.org>
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>
Subject: Re: loosing IPMI-card by loading netconsole
Date: Fri, 14 May 2010 17:16:53 -0500 [thread overview]
Message-ID: <1273875413.15067.1348.camel@calx> (raw)
In-Reply-To: <4BEDCA89.7000707@kernel.org>
On Sat, 2010-05-15 at 00:11 +0200, Tejun Heo wrote:
> 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.
Well nothing jumps to mind in the netpoll/netconsole code and I haven't
heard any similar reports. My guess is it's something obscure, so I
think the sooner you start bisecting... Even one or two tests will get
us a lot closer to figuring out what changed in the last 1.5 years.
--
Mathematics is the supreme nostalgia of our time.
next prev parent reply other threads:[~2010-05-14 22:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-14 13:45 loosing IPMI-card by loading netconsole Henning Fehrmann
2010-05-14 14:51 ` Ronciak, John
2010-05-14 16:27 ` Tejun Heo
2010-05-14 16:39 ` Ronciak, John
2010-05-14 17:20 ` "Brandeburg, Jesse"
2010-05-14 22:18 ` Tejun Heo
2010-05-15 8:26 ` Carsten Aulbert
2010-05-15 9:10 ` Tejun Heo
2010-05-15 9:36 ` Carsten Aulbert
2010-05-14 17:37 ` Matt Mackall
2010-05-14 22:11 ` Tejun Heo
2010-05-14 22:16 ` Matt Mackall [this message]
2010-05-14 22:24 ` Tejun Heo
2010-05-18 13:12 ` Henning Fehrmann
2010-05-20 10:16 ` Henning Fehrmann
2010-05-20 15:01 ` Allan, Bruce W
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