linux-kernel - Re: divide error in select_task_rq

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Message-ID: <1288937844.3234.1.camel@edumazet-laptop>
Date:	Fri, 05 Nov 2010 07:17:24 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
Cc:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Venkatesh Pallipadi <venki@...gle.com>,
	Nikhil Rao <ncrao@...gle.com>,
	Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>,
	linux-kernel@...r.kernel.org
Subject: Re: divide error in select_task_rq_fair()

Le jeudi 04 novembre 2010 à 20:00 -0600, Bjorn Helgaas a écrit :

> Is that going to help you debug the problem?  The solution is not going
> to be something like "set NR_CPUS=x".  If NR_CPUS is too small, the
> machine should still *boot*, even if we can't use all the CPUs in the
> box.
> 

Yes, it will help to understand the layout of cpu / domains and make
appropriate changes.

Alternative is you send me such a machine :=)

Thanks


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