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SubjectRe: [2.6.33-rc5] Weird deadlock when shutting down
On Sat, Feb 20, 2010 at 12:28:51PM +0100, Johannes Berg wrote:
>On Sat, 2010-02-20 at 17:06 +0800, Américo Wang wrote:
>> On Sat, Feb 20, 2010 at 4:56 PM, Johannes Berg
>> <johannes@sipsolutions.net> wrote:
>> > On Sat, 2010-02-20 at 15:13 +0800, Américo Wang wrote:
>> >
>> >> Does my following untested patch help?
>> >
>> > Sorry, no. I'll hook up a screen to the box after I return from the
>> > fresh market.
>> >
>>
>> Are you sure there is no difference? :-/
>
>It deadlocks after
>
>Disabling non-boot CPUs ...
>
>Not sure if that counts as a difference...
>

I am not sure neither...

That message is displayed before shutting down the devices.

To verify, you can add some printk() in the end of
__cpufreq_remove_dev(), or enable CONFIG_CPU_FREQ_DEBUG.

Thanks!
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