thermald is the defacto solution to this in Trusty+, I've added a
Wikipage to describe how to install and configure this daemon:
https://wiki.ubuntu.com/Kernel/PowerManagement/ThermalIssues
I think this addresses the bug, so I'm going to close it.
** Changed in: linux (Ubuntu)
Status:
Hi Colin - thanks, yes running thermald has improved the situation
immensely! I do still very occasionally see overheats, although they are
extremely rare now and I suspect may be more related to my fans needing
a clean :-)
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On 07/03/14 10:23, James Hunt wrote:
Hi Colin - thanks, yes running thermald has improved the situation
immensely! I do still very occasionally see overheats, although they are
extremely rare now and I suspect may be more related to my fans needing
a clean :-)
One can tweak the default
One can use a thermald helper script to set the CPU Max temperature on
your machine.
Attached is the script, one has to specify the max temp in milli degrees
C, so for 80 degress C, enter 8, example:
sudo ./thermald_set_pref.sh
[sudo] password for king:
thermald preference
0 :
Hmm, I'm not sure why you need to unload the thinkpad acpi driver.
Can you force fan control mode with
options thinkpad_acpi fan_control=1
in a /etc/modprobe.d/ .conf file and this will configure the driver at
boot time.
I also suggest enabling the intel-pstate driver. Ubuntu currently has
Hi Colin - thanks, I'm now running thermald but cannot really stress my
system due to o/s bug 1268906 (kvm always makes it overheat unless fans
are disengaged. That is currently not possible on my T410 btw due to bug
1268880 - will that impact thermald's abilities?
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@James, I've now packaged up thermald for Trusty, which will do auto
throttling if the CPU is too hot. Perhaps you can give that a spin.
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https://bugs.launchpad.net/bugs/955287
Title:
** Changed in: linux (Ubuntu)
Status: In Progress = Incomplete
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https://bugs.launchpad.net/bugs/955287
Title:
Ubuntu should handle hot CPUs by taking preemptive action and
Hi Colin,
Since running tp-thermstat, I just cannot make my machine overheat no
matter what workloads I give it (with fans set to auto). Will keep
trying.
I have used the disengaged mode and certainly couldn't force a shutdown
with that either, although it did sound like I was working in a
@James, if you can email me the logs you get with tp-thermstat I can
still analyze them and spot any dubious looking fan control
characteristics.
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https://bugs.launchpad.net/bugs/955287
apport information
** Tags added: apport-collected staging
** Description changed:
If the kernel detects your CPU(s) is/are too hot currently (see bug
751689), the kernel calls /sbin/poweroff. This will provide a graceful
system shutdown. If /sbin/poweroff fails, the kernel just forcibly
Assigning to cking, as he has already been investigating numerous heat
issues with a number of thinkpad machines.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: linux (Ubuntu)
Status: Confirmed = In Progress
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oops, made a typo, make the thermal parameter:
thermal.tzp=10
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Title:
Ubuntu should handle hot CPUs by taking preemptive action and
warning
However, the kernel seems to emit an ACPI event when it detects the
CPU(s) are merely hot. I suggest we consider adding an acpi hook to
attempt to avoid a critical scenario.
In fact, I suspect the kernel *will* emit a critical thermal event, but
the temperature zips past this threshold and the
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Title:
Ubuntu should handle hot CPUs by taking preemptive action and
warning users
To manage notifications about this bug go to:
This probably should not be handled in the acpi-support package, since
acpi-support is considered deprecated and we're trying (without much
success) to phase it out. I think notifications would be better handled
through upowerd.
However, even without desktop notifications, the kernel is supposed
On my tp, we have:
$ cat /sys/class/thermal/thermal_zone0/trip_point_*
10
critical
95500
passive
$
** Package changed: acpi-support (Ubuntu) = linux (Ubuntu)
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It might also be worth while opening an upstream bug report[0] at
bugzilla.kernel.org.
[0] https://wiki.ubuntu.com/Bugs/Upstream/kernel
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Tags added: kernel-da-key
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