On Thu, Mar 21, 2019 at 4:59 PM Sebastian Dörner <bastidoerner@xxxxxxxxx> wrote: > > I totally forgot to mention: > There are not only warnings in journal, it simply does not work. > /proc/acpi/ibm/fan always shows "status: disabled", level and speed are > 0, and commands via echo do not work... Thank you for the report. I Cc'ed this to public mailing lists and maintainers of the driver and subsystem. > On 21.03.19 15:53, Sebastian Dörner wrote: > > Hi Mr. Shevchenko, > > > > I'm writing to you because I noticed that you were one of the most > > active contributors to the thinkpad_acpi linux driver on github last > > year. > > I've got a question about this driver and would be happy if you've got > > time for advice. > > My problem is, that my new laptop's fan, a Thinkpad X380, is > > annoyingly loud, even if the machine is idle. > > So I figured to manage the fan speed with thinkfan, which uses > > thinkpad_acpi's /proc/acpi/ibm/fan to control the fan. > > But each time I try to cat from or echo to /proc/acpi/ibm/fan I get > > several kernel ACPI warnings: > > "kernel: ACPI: \_SB.PCI0.LPCB.EC.ECRD: 1 arguments were passed to a > > non-method ACPI object (RegionField) (20170831/nsarguments-243)" > > I tried this with the latest kernel (5.0.3) and activated fan_control > > in the thinkpad_acpi module. > > I guess this means that some ACPI stuff between kernel and machine > > went wrong?! don't know much about this. > > So my question is: > > Is there a way I can fix this, don't know, by figuring out the correct > > fan control registers for my machine and then patch it on my own. Or > > am I screwed with this machine and have to wait for Lenovo to patch this? > > You see this really bugs me :-) and I'm looking forward to your council. > > > > Greetings, > > Sebastian Dörner > > > -- With Best Regards, Andy Shevchenko _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel