http://bugzilla.kernel.org/show_bug.cgi?id=10952
------- Comment #2 from [EMAIL PROTECTED] 2008-06-22 19:34 -------
hmm, I think you can add a dump_stack in cpu_update_policy to see who is
keeping on changing the scaling_max_freq?
something like:
---
drivers/cpufreq/cpufreq.c | 1 +
1 file changed, 1 insertion(+)
Index: linux-2.6/drivers/cpufreq/cpufreq.c
===================================================================
--- linux-2.6.orig/drivers/cpufreq/cpufreq.c 2008-06-17 06:35:42.000000000
+0800
+++ linux-2.6/drivers/cpufreq/cpufreq.c 2008-06-23 10:25:13.000000000 +0800
@@ -1722,6 +1722,7 @@
if (unlikely(lock_policy_rwsem_write(cpu)))
return -EINVAL;
+ dump_stack();
dprintk("updating policy for CPU %u\n", cpu);
memcpy(&policy, data, sizeof(struct cpufreq_policy));
policy.min = data->user_policy.min;
--
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