Re: Laptop overheating with F 16

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On 09/12/2011 02:58 PM, Pekka Pietikäinen wrote:
> On Mon, 2011-09-12 at 10:37 -0800, Erinn Looney-Triggs wrote:
>
>> I know we hear this all the time in this business, but it used to work
>> just fine. Perhaps it is hardware failing, but why then would windows
>> never display any thermal issues, perhaps it is really good at hiding it.
>> [   96.742668] CPU3: Core temperature above threshold, cpu clock
>> throttled (total events = 1)
>> [   96.742676] CPU2: Core temperature above threshold, cpu clock
>> throttled (total events = 1)
>> [   96.743699] CPU2: Core temperature/speed normal
>> [   96.743701] CPU3: Core temperature/speed normal
>> [   99.005684] intel ips 0000:00:1f.6: MCP limit exceeded: Avg temp
> A small data point, I started getting these (and automatic shutdowns) on
> a T410s, which I thought was Fedora 15's fault. Then I swapped the
> harddrive to an identical T410s and the errors stopped... I think pretty
> recent kernels (F15 or some update afterwards) have started reporting
> these. Also there was a bug that caused a way too many of these to be
> reported, but that should be fixed already....
>
> Anyway, applying compressed air to the fan is never a bad idea. There
> was quite a bit of dust there in my case, but cleaning it up didn't
> help. The beast is now running sort-of-happily in an air conditioned
> office doing unimportant work.
>
> If you think it's F16, try running from a live cd of F14/15 for a  while
> to be sure? And you can also manually force the fan to run at max speed,
> see if that helps? (modprobe thinkpad_acpi fan_control=1 needed, I
> think)
>
>

Well folks, thank you all so much for your time and energy. Adam, thanks
for your patience. Looks like this is a hardware issue, I don't know why
it didn't crop up before when I was load testing F 15 and Windows, but
after jumping into Windows to try and get the temperatures, as
suggested, for a point of comparison the system over heated and shut
down. In fact it did it twice in a row, so that is more than enough
confirmation for me, I will be talking with Lenovo to get new hardware.

I will also close up the bug report I filed. Thanks again for your
patience and the information, I learned a lot during this process.

-Erinn

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