* [Bug 42858] New: thermal throttling doesn't seem to trigger on Thinkpad T420s
@ 2012-03-04 10:52 bugzilla-daemon
2012-03-05 7:39 ` [Bug 42858] " bugzilla-daemon
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: bugzilla-daemon @ 2012-03-04 10:52 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=42858
Summary: thermal throttling doesn't seem to trigger on Thinkpad
T420s
Product: Power Management
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: cpufreq
AssignedTo: cpufreq@vger.kernel.org
ReportedBy: pierre-bugzilla@ossman.eu
Regression: No
I have a new Thinkpad T420s and I'm noticing it getting massively hot when
putting some load on the CPU. powertop shows it spending all its time in Turbo
mode for both cores. Thermal reporting shows it hovering around 90° with the
fan on full. It hasn't been throttled even once though:
./cpu0/thermal_throttle/core_power_limit_count:0
./cpu0/thermal_throttle/core_throttle_count:0
./cpu0/thermal_throttle/package_power_limit_count:0
./cpu0/thermal_throttle/package_throttle_count:0
./cpu1/thermal_throttle/core_power_limit_count:0
./cpu1/thermal_throttle/core_throttle_count:0
./cpu1/thermal_throttle/package_power_limit_count:0
./cpu1/thermal_throttle/package_throttle_count:0
./cpu2/thermal_throttle/core_power_limit_count:0
./cpu2/thermal_throttle/core_throttle_count:0
./cpu2/thermal_throttle/package_power_limit_count:0
./cpu2/thermal_throttle/package_throttle_count:0
./cpu3/thermal_throttle/core_power_limit_count:0
./cpu3/thermal_throttle/core_throttle_count:0
./cpu3/thermal_throttle/package_power_limit_count:0
./cpu3/thermal_throttle/package_throttle_count:0
This doesn't really seem safe for the CPU or my lap. :/
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* [Bug 42858] thermal throttling doesn't seem to trigger on Thinkpad T420s
2012-03-04 10:52 [Bug 42858] New: thermal throttling doesn't seem to trigger on Thinkpad T420s bugzilla-daemon
@ 2012-03-05 7:39 ` bugzilla-daemon
2012-03-06 2:24 ` bugzilla-daemon
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2012-03-05 7:39 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=42858
--- Comment #1 from Pierre Ossman <pierre-bugzilla@ossman.eu> 2012-03-05 07:39:54 ---
I also noticed this in dmesg:
[ 1510.425741] thinkpad_acpi: unknown possible thermal alarm or keyboard event
received
[ 1510.425752] thinkpad_acpi: unhandled HKEY event 0x6040
[ 1510.425757] thinkpad_acpi: please report the conditions when this event
happened to ibm-acpi-devel@lists.sourceforge.net
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* [Bug 42858] thermal throttling doesn't seem to trigger on Thinkpad T420s
2012-03-04 10:52 [Bug 42858] New: thermal throttling doesn't seem to trigger on Thinkpad T420s bugzilla-daemon
2012-03-05 7:39 ` [Bug 42858] " bugzilla-daemon
@ 2012-03-06 2:24 ` bugzilla-daemon
2012-03-06 6:45 ` bugzilla-daemon
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2012-03-06 2:24 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=42858
Len Brown <lenb@kernel.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
CC| |acpi-bugzilla@lists.sourcef
| |orge.net
--- Comment #2 from Len Brown <lenb@kernel.org> 2012-03-06 02:24:16 ---
what kernel version (uname -a)
please show either
# grep . /proc/acpi/thermal*/*/
or
# grep . /sys/class/thermal/*/*
to show us what the trip points and current temperatures are.
if you booth without the thinkpad_acpi driver,
does the system behave differently?
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* [Bug 42858] thermal throttling doesn't seem to trigger on Thinkpad T420s
2012-03-04 10:52 [Bug 42858] New: thermal throttling doesn't seem to trigger on Thinkpad T420s bugzilla-daemon
2012-03-05 7:39 ` [Bug 42858] " bugzilla-daemon
2012-03-06 2:24 ` bugzilla-daemon
@ 2012-03-06 6:45 ` bugzilla-daemon
2012-03-17 11:30 ` bugzilla-daemon
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2012-03-06 6:45 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=42858
--- Comment #3 from Pierre Ossman <pierre-bugzilla@ossman.eu> 2012-03-06 06:45:30 ---
~
[drzeus@mjolnir]$ uname -a
Linux mjolnir.ossman.eu 3.2.7-1.fc16.x86_64 #1 SMP Tue Feb 21 01:40:47 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
~
[drzeus@mjolnir]$ grep . /proc/acpi/thermal*/*/
grep: /proc/acpi/thermal*/*/: No such file or directory
~
[drzeus@mjolnir]$ grep . /sys/class/thermal/*/*
/sys/class/thermal/cooling_device0/cur_state:0
/sys/class/thermal/cooling_device0/max_state:17
/sys/class/thermal/cooling_device0/type:Processor
/sys/class/thermal/cooling_device1/cur_state:0
/sys/class/thermal/cooling_device1/max_state:17
/sys/class/thermal/cooling_device1/type:Processor
/sys/class/thermal/cooling_device2/cur_state:0
/sys/class/thermal/cooling_device2/max_state:17
/sys/class/thermal/cooling_device2/type:Processor
/sys/class/thermal/cooling_device3/cur_state:0
/sys/class/thermal/cooling_device3/max_state:17
/sys/class/thermal/cooling_device3/type:Processor
/sys/class/thermal/cooling_device4/cur_state:6
/sys/class/thermal/cooling_device4/max_state:15
/sys/class/thermal/cooling_device4/type:LCD
/sys/class/thermal/thermal_zone0/mode:enabled
/sys/class/thermal/thermal_zone0/passive:0
/sys/class/thermal/thermal_zone0/temp:43000
/sys/class/thermal/thermal_zone0/trip_point_0_temp:97000
/sys/class/thermal/thermal_zone0/trip_point_0_type:critical
/sys/class/thermal/thermal_zone0/type:acpitz
I'll test without thinkpad_acpi and see what happens.
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* [Bug 42858] thermal throttling doesn't seem to trigger on Thinkpad T420s
2012-03-04 10:52 [Bug 42858] New: thermal throttling doesn't seem to trigger on Thinkpad T420s bugzilla-daemon
` (2 preceding siblings ...)
2012-03-06 6:45 ` bugzilla-daemon
@ 2012-03-17 11:30 ` bugzilla-daemon
2012-03-19 8:54 ` bugzilla-daemon
2012-05-13 14:27 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2012-03-17 11:30 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=42858
--- Comment #4 from Pierre Ossman <pierre-bugzilla@ossman.eu> 2012-03-17 11:30:50 ---
The problem remains even without thinkpad_acpi. :/
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* [Bug 42858] thermal throttling doesn't seem to trigger on Thinkpad T420s
2012-03-04 10:52 [Bug 42858] New: thermal throttling doesn't seem to trigger on Thinkpad T420s bugzilla-daemon
` (3 preceding siblings ...)
2012-03-17 11:30 ` bugzilla-daemon
@ 2012-03-19 8:54 ` bugzilla-daemon
2012-05-13 14:27 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2012-03-19 8:54 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=42858
Zhang Rui <rui.zhang@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rui.zhang@intel.com
--- Comment #5 from Zhang Rui <rui.zhang@intel.com> 2012-03-19 08:54:58 ---
would you please check if this patch helps?
http://marc.info/?l=linux-acpi&m=132854533918079&w=2
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* [Bug 42858] thermal throttling doesn't seem to trigger on Thinkpad T420s
2012-03-04 10:52 [Bug 42858] New: thermal throttling doesn't seem to trigger on Thinkpad T420s bugzilla-daemon
` (4 preceding siblings ...)
2012-03-19 8:54 ` bugzilla-daemon
@ 2012-05-13 14:27 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2012-05-13 14:27 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=42858
Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alan@lxorguk.ukuu.org.uk
AssignedTo|cpufreq@vger.kernel.org |rjw@sisk.pl
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