linux-kernel - Re: 2.6.35-rc2-git1 - BUG: using smp_processor_id() in preemptible [00000000] code: ondemand/4323

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Message-ID: <20100607191107.GA4799@redhat.com>
Date:	Mon, 7 Jun 2010 15:11:07 -0400
From:	Dave Jones <davej@...hat.com>
To:	Miles Lane <miles.lane@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Alexander Viro <viro@...iv.linux.org.uk>
Subject: Re: 2.6.35-rc2-git1 - BUG: using smp_processor_id() in preemptible
 [00000000] code: ondemand/4323

On Mon, Jun 07, 2010 at 03:02:58PM -0400, Miles Lane wrote:
 > [   90.531089] BUG: using smp_processor_id() in preemptible [00000000]
 > code: ondemand/4323
 > [   90.531100] caller is nr_iowait_cpu+0x15/0x2c
 > [   90.531106] Pid: 4323, comm: ondemand Tainted: G        W
 
arjan is looking into this.
probably just needs some preempt disable/enable calls.

	Dave

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