On Sun, 24 Sep 2017, Raph wrote: > On Sat, Sep 16, 2017 at 08:34:08AM -0300, Henrique de Moraes Holschuh wrote: > > On Wed, 13 Sep 2017, Raf D wrote: > > > I own a Lenovo E555. > > > After the switch from Debian Jessie to Stretch fan stopped working > > > Symptom: overheat then halt circa 90° and fan does not wake up. > > > > > > Booting with acpi=off: fan run automatically when needed as it should. > > > > We need to know if the issue is caused by thinkpad-acpi, or by the > > standard ACPI support in the kernel, or by userspace. > > > > > What info may I provide to efficiently debug/solve this problem? > > > acpidumps, dmidecode, /sys/<somethinkg>, dmesg|egrep -i 'cool|acpi|thinkpad|fan...' ? > > > > dmesg on boot for starters, I think. Feel free to remove any UUIDs and > > serial numbers. Ok, it is not thinkpad-acpi messing with your fan (at least not directly). Please check the cooling devices registered in ACPI, and ensure the ACPI "fan" module was loaded. The cooling devices are likely at: /sys/devices/virtual/thermal Check what is in there. Anything that can be switched on or off to cool the system can be a cooling_device, so both fans (switch on to cool), and GPU (switch to low power mode) could be "cooling" devices... My guess, so far, is that you will need to ask for help in the main kernel mailing list. Also, we may need to check your ACPI's DSDT and XSDT, but let's try ensuring the "fan" module/ACPI driver is loaded, first. -- Henrique Holschuh ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
