On 11/03/2011 03:49 PM, Guenter Roeck wrote: > On Thu, Nov 03, 2011 at 04:29:49AM -0400, Lars Noodén wrote: >> On 11/03/2011 04:03 AM, Guenter Roeck wrote: >>> From LKML: >>> >>> On Wed, Nov 02, 2011 at 05:42:39AM -0400, Lars Noodén wrote: >>>> There seem to be two problems here, one is that the hardware is >>>> getting WAY too hot, another is that the fan is not turning on when >>>> the hardware gets too hot. >>>> >>>> $ uname -a Linux xubuntu 3.1.0-999-generic #201110270406 SMP Thu >>>> Oct 27 08:07:41 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux >>>> >>>> I've reported the problem to Ubuntu >>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593 and the >>>> suggestion there was to report it upstream. >>>> >>>> On the notebook computer, parts become very hot to the touch while >>>> running Ubuntu, but the fan does not run even after it gets hot. >>>> When I boot back to OS X, the fan kicks in and runs until the >>>> computer returns to being cool to the touch. Similar for the >>>> desktop, though I must follow the temperature with >>>> /usr/bin/sensors. >>>> >>>> The notebook is a MacBookPro8,2 and the desktop is a Macmini3,1 >>>> >>>> What metrics do I need to collect to help fix the problem? I've >>>> already reported the problem to Ubuntu[2] and the recommendation >>>> was to try reporting upstream. >>>> >>>> Please CC me in the replies. /Lars >>>> >>>> [1] http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/ >>>> >>>> [2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593 >>> >>> I see applesmc: : read arg fail in the dmesg log. No idea what that >>> means. Maybe the driver maintainer or someone else on the lm-sensors >>> mailing list can help. >>> >>> Not sure I understand your comment about having to follow the output >>> of the sensors command. Can you clarify ? >> >> That's to track the temperature manually. >> >>> Also, do you get any output from the sensors command on the notebook? >>> Thanks, Guenter >> >> Yes. It claims to have 24 temperature sensors. >> > Does it report any fans ? If it does, can you try setting the fan speed ? The one machine reports one fan and the other two fans. I haven't found a way to set the fan speed manually. The output from sensors is https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593/comments/44 and here https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593/comments/47 /Lars _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
