I do not understand why the bug is closed. I have Ubuntu 17.04 with the
latest updates on my Dell Inspiron 7559 with the latest BIOS 1.2.2 and
the problem still persists. Fans are still on, but the CPU temperature
is about 30deg. Celsius. If others having the same problem, we should
reopen this
How do I get the fix? My Inspiron 7559 suffers with this issue.
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https://bugs.launchpad.net/bugs/1602888
Title:
Dell Inspiron 7559 fans do not shut off once started, even
I can confirm, the bug still persists even with the most recent kernel
4.11.0-041100 and the most recent BIOS 1.2.2. It's pretty annoying since
it reduces my battery life a lot compared to Windows and also the fan
noise disturbs during the evenings when I am leaving my laptop idle.
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Update: fans were switched off after a while, but powertop tunables
still says package sate only C3
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Title:
Dell Inspiron 7559 fans
Boot with acpi_osi="!Windows 2015" and all tunables set manually to
good, powertop still shows lowest package state C3 but fans turned off
properly. Attached new dmesg output anyway, but problem seems to be
"workarounded" (not resolved) as I have to set tunables to good manually
or via script.
**
Here is the dmesg, fans are running even with tunables all set to good.
Also I had to set i915.modeset=1 and nouveau.modeset=0 to be able to boot this
kernel.
** Attachment added: "dmesg on 4.13.0-18-generic"
@Kai-Heng Feng (kaihengfeng): tried your kernel and no change, even with
all tunables set to good I got only PCakage C7 state. This machine seems
to be enchanted or something.
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Please update the bug as the bios was updated but it did not resolve the issue.
Also I've tried to compile patched driver according the suggested how to from
Occams Beard, but it did not help - maybe I did something wrong.
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No change with fans on Ubuntu 17.10 for me. By default lowest state for
package is C2. After setting all tunables to good C3, but does not solve
the issue though.
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Even shutdown of laptop didn't help after compiling the driver. Maybe
I'm doing something wrong. Tunables set all to good but the package
lowest state is C3. I'll wait for the upstream patch. I could wait for
almost 2 year anyway, so couple of months I can survive.
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