From: Ognjen Galic <smclt30p@gmail.com>
To: gibboris@gmail.com, linux-acpi@vger.kernel.org
Subject: Re: thinkpad E555, fan module not loaded
Date: Wed, 20 Dec 2017 20:14:55 +0100 [thread overview]
Message-ID: <20171220191455.GA5734@thinkpad> (raw)
> Hi,
> I post here as a last ressort as advised at the end of this thread
> https://www.spinics.net/lists/ibm-acpi-devel/msg04173.html
>
> I own a Thinkpad E555/Kaveri which is overheating.
> I noticed fan stopped working soon after a 4.9 => 4.12 (Debian Jessie =>
> Stretch) upgrade.
> BIOS is up to date, kernel is 4.12.
> fan runs during BIOS & GRUB stages (or if booting acpi=off)
> The main symptom seems to be that the "fan" module is not loaded.
> I already provided information and a couple of ACPI tables in the above
> thread.
>
> What more may I provide in order to efficiently help getting this
> spotted & solved?
Thanks for contacting us!
That could be caused by two modules, either thinkpad_acpi or fan.
First, build a kernel with both modules not built at all and install
the kernel. The fan should work just fine as both fan and thinkpad_acpi
are not loaded. Then, build the battery and thinkpad_acpi modules and
load one by one, and see which one causes the issue and report back.
Thanks,
Ognjen
next reply other threads:[~2017-12-20 19:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-20 19:14 Ognjen Galic [this message]
-- strict thread matches above, loose matches on Subject: below --
2017-12-20 15:30 thinkpad E555, fan module not loaded Raf
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