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Date: Sun, 13 Aug 2006 19:25:50 -0400
From: Dave Jones <davej@redhat.com>
To: Ben Buxton <kernel@bb.cactii.net>
Cc: Andrew Morton <akpm@osdl.org>, Maciej Rutecki <maciej.rutecki@gmail.com>,
       linux-kernel@vger.kernel.org, Dmitry Torokhov <dtor@mail.ru>
Subject: Re: 2.6.18-rc4-mm1
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On Mon, Aug 14, 2006 at 12:44:13AM +0200, Ben Buxton wrote:

 > Also, whenever I echo anything to "scaling_governor", I get the
 > following kernel message:
 > 
 > [  734.156000] BUG: warning at kernel/cpu.c:38/lock_cpu_hotplug()
 > [  734.156000]  [<c013c3ec>] lock_cpu_hotplug+0x7c/0x90
 > [  734.156000]  [<c01327f4>] __create_workqueue+0x44/0x140
 > [  734.156000]  [<c02dcf7b>] mutex_lock+0xb/0x20
 > [  734.156000]  [<e01f2665>] cpufreq_governor_dbs+0x2b5/0x310 [cpufreq_ondemand]

This makes no sense at all, because in -mm __create_workqueue doesn't
call lock_cpu_hotplug().

Are you sure this was from a tree with -mm1 applied ?

		Dave

-- 
http://www.codemonkey.org.uk
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