Regarding the nvidia fan (right side of the case), it doesn't spin fast
for me either. I tried to get the fan controls in nvidia-settings
(390.77-0ubuntu0.18.04.1) by rebooting with "Coolbits" "4" (see:
https://z-issue.com/wp/nvidia-linux-drivers-powermizer-coolbits-
Thanks for the "127 gives full speed" trick. Until now I was using
```
("level full-speed", 64, 32767)
```
and adding the -D option to DAEMON_ARGS on /etc/default/thinkfan
("dangerous mode", a bit scary!) to force thinkfan to swallow the non-
integer option. Your "127" trick is much
Current update.
Problem is repeatable on 4.20.3-042003-generic kernel build with latest 415
nvidia driver.
Problem of overheating can be solved partially by using thinkfan utility and
editing /etc/thinkfan.conf
(0, 0, 45)
(1, 38, 50)
(2, 40, 61)
(3, 52, 63)
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: acpi (Ubuntu)
Status: New => Confirmed
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Title:
First is sensors output. Here is only 1 pwm.
thinkpad-isa-
Adapter: ISA adapter
fan1:2067 RPM
second, what I switch to level 7, I feel by hand that 1st running well, second
not at all. Probably second one is controlled by nvidia
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how do you know the 2nd fan is not working? let me check it in your way
on my p52 too.
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Title:
Lenovo P52 laptop fan control incorrect
To
This is manual fan regulation what is not very handy to control fan speed
manually all the time.
I found other issue, second fan is not wokring. It is repeating on 3 laptops,
so can not be hardware malfunction.
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Bugs,
create /etc/modprobe.d/thinkpad_acpi.conf with: options thinkpad_acpi
fan_control=1
reboot.
Then you can change fan speed via "#echo level full-speed >
/proc/acpi/ibm/fan"
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repeat on 4.19 kernel version
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Title:
Lenovo P52 laptop fan control incorrect
To manage notifications about this bug go to:
1. This was from beginning
2. I will try latest kernel
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Title:
Lenovo P52 laptop fan control incorrect
To manage notifications about this bug
apport information
** Tags added: apport-collected
** Description changed:
Pure system ubuntu 18.04.1 with all update running on Lenovo p52 laptop.
CPU fans speed is very low by default and start running only after 65 degrees.
As a result laptop is very hot all the time independ what I am
This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1800838
and then change the status of the bug to 'Confirmed'.
If, due to the
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Title:
Lenovo P52 laptop fan control incorrect
To manage
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.19
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