thinkpad_ec taints kernel, signature missing, hdaps: supported laptop not found

[Martin X201]

Bug affects my ThinkPad X200s and X201.
Both had no problems with thinkpad_ec & hdaps on 16.04.
Now i got same error messages on both machines:

DMESG:

[ +7,230298] thinkpad_ec: loading out-of-tree module taints kernel.
[ +0,000070] thinkpad_ec: module verification failed: signature and/or required key missing - tainting kernel
[ +0,000614] thinkpad_ec: thinkpad_ec 0.42 loaded.

[ +0,000341] tp_smapi 0.42 loading...
[ +0,000203] tp_smapi successfully loaded (smapi_port=0xb2).

[ +3,366016] hdaps: supported laptop not found!
[ +0,000002] hdaps: driver init failed (ret=-19)!tp_smapi
[Mai18 20:54] hdaps: supported laptop not found!
[ +0,000002] hdaps: driver init failed (ret=-19)!
[Mai18 20:55] hdaps: supported laptop not found!
[ +0,000002] hdaps: driver init failed (ret=-19)!

JOURNALCTL:

Mai 18 21:15:38 X201 kernel: hdaps: supported laptop not found!
Mai 18 21:15:38 X201 kernel: hdaps: driver init failed (ret=-19)!
Mai 18 21:15:38 X201 kernel: applesmc: supported laptop not found!
Mai 18 21:15:38 X201 kernel: applesmc: driver init failed (ret=-19)!
Mai 18 21:15:38 X201 kernel: acer_wmi: Acer Laptop ACPI-WMI Extras
Mai 18 21:15:38 X201 kernel: acer_wmi: No or unsupported WMI interface, unable to load
Mai 18 21:15:38 X201 hdapsd[3687]: Fri May 18 21:15:37 2018: Starting hdapsd
Mai 18 21:15:38 X201 hdapsd[3687]: Fri May 18 21:15:37 2018: WARNING: You did not supply any devices to protect, trying autodetection.
Mai 18 21:15:38 X201 hdapsd[3687]: Fri May 18 21:15:37 2018: Adding autodetected device: sda
Mai 18 21:15:38 X201 hdapsd[3687]: Fri May 18 21:15:38 2018: Could not find a suitable interface
Mai 18 21:15:38 X201 systemd[1]: hdapsd.service: Main process exited, code=exited, status=255/n/a
Mai 18 21:15:38 X201 systemd[1]: hdapsd.service: Failed with result 'exit-code'.

I wrote the developers a mail about that prob and got answer:

>> Hi,
>> I think Ubuntu broke tp_smapi's hdaps support some time back [2] and
>> didn't care when I mailed them about it.
>>
>> It works fine on Debian on my X201s :)
>>
>> Evgeni
>>
>> [1] https://launchpad.net/ubuntu/+source/tp-smapi
>> [2] https://launchpad.net/ubuntu/+source/tp-smapi/0.42-1ubuntu1

tp-smapi (0.42-1ubuntu1) zesty; urgency=medium

  * Drop hdaps modules build as it is now upstream as of linux v4.9
    debian/patches/drop-hdaps.patch

 -- Tim Gardner <email address hidden> Wed, 11 Jan 2017 15:58:57 -0700

Your upstream version is NOT working properly!
Could you please fix it?

For your info - i have 2 PPAs:
https://launchpad.net/~linrunner/+archive/ubuntu/thinkpad-extras
https://launchpad.net/~linrunner/+archive/ubuntu/tlp

Thanks!

Best regards Martin