From: Ben Buxton
Date: Mon Aug 14 2006 - 07:54:11 EST
Dave Jones <davej@xxxxxxxxxx> uttered the following thing:
> 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 ?
Definitely 2.6.18-rc4-mm1, and I've done a clean rebuild + removal of
all modules under /lib/modules beforehand.
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