Re: thinkpad_acpi fan stop working problem (was after resume) (speed becomes 65535)

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On Thu, Jul 12, 2012 at 9:02 AM, Henrique de Moraes Holschuh
<hmh@xxxxxxxxxx> wrote:
> On Thu, 05 Jul 2012, cheng renquan wrote:
>> On Sat, Jun 16, 2012 at 1:09 PM, Henrique de Moraes Holschuh
>> <hmh@xxxxxxxxxx> wrote:
>> > Chen, back to this issue, can you please do this:
>> >
>> > 1. blacklist or remove thinkpad_acpi.ko
>> > 2. blacklist or remove fan.ko
>> >
>> > So that there is no way thinkpad-acpi or ACPI fan to interfere with your
>> > thinkpad.
>> >
>> > Then, do the testing?  You will have to track it by thermal only.
>> >
>> > If the problem doesn't show up, we will know for sure that it is Linux doing
>> > something wrong.  Then, you can repeat the tests with only the fan module
>> > and only the thinkpad-acpi module, to narrow down the problem.
>>
>> This time it reproduced with 10+ days running and 20+ suspend &
>> resume, after the last one resume I found fan speed becomes 65535,
>>
>> this .config has thinkpad_acpi.ko and no fan.ko;
>
> What about no thinkpad-acpi and no fan ?

With thermal only, it has been running over 10 days with 40+
suspend/resume, under dstat monitoring it seems cpu temperature keeps
up to 70 ℃; I think the fan never stopped

$ lsmod |egrep '(thinkpad|thermal|fan)'
thermal                 7879  0

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