Hi Arnaud, On Sun, 20 Oct 2013 20:10:41 +0200, Arnaud Ebalard wrote: > With 3.12-rc series, sysfs support for thermal susbsytem (and/or hwmon > one) was modified in such a way that sensors utility (current 3.3.4 > version with 3.3.4 version of libsensors from lm-sensors package on > Debian unstable) does not see the temperature sensor anymore on armada > 370 platforms (not tested on others). Additionally, the changes break > existing configurations of fancontrol utility, which prevents the > fan to be regulated correctly w/o recreating an /etc/fancontrol w/ > pwmconfig. > > Here is what I have on my Armada 370-based system on a 3.11.5: > > # sensors > g762-i2c-0-3e > Adapter: mv64xxx_i2c adapter > fan1: 2457 RPM (div = 1) > > armada_thermal-virtual-0 > Adapter: Virtual device > temp1: +45.7°C > > And what I get on 3.12-rc6: > > # sensors > g762-i2c-0-3e > Adapter: mv64xxx_i2c adapter > fan1: 1350 RPM (div = 1) > > > Monitoring what sensors does w/ strace, I started looking at the changes > to /sys/class/hwmon/hwmon1/: > > On 3.11.5: > > # find /sys/class/hwmon/hwmon1/ > /sys/class/hwmon/hwmon1/ > /sys/class/hwmon/hwmon1/name > /sys/class/hwmon/hwmon1/subsystem > /sys/class/hwmon/hwmon1/uevent > /sys/class/hwmon/hwmon1/temp1_input > > On 3.12-rc6: > > # find /sys/class/hwmon/hwmon1/ > /sys/class/hwmon/hwmon1/ > /sys/class/hwmon/hwmon1/name > /sys/class/hwmon/hwmon1/device > /sys/class/hwmon/hwmon1/subsystem > /sys/class/hwmon/hwmon1/uevent > /sys/class/hwmon/hwmon1/temp1_input > > # find /sys/class/hwmon/hwmon1/device/ > /sys/class/hwmon/hwmon1/device/ > /sys/class/hwmon/hwmon1/device/temp > /sys/class/hwmon/hwmon1/device/type > /sys/class/hwmon/hwmon1/device/hwmon1 > /sys/class/hwmon/hwmon1/device/hwmon1/name > /sys/class/hwmon/hwmon1/device/hwmon1/device > /sys/class/hwmon/hwmon1/device/hwmon1/subsystem > /sys/class/hwmon/hwmon1/device/hwmon1/uevent > /sys/class/hwmon/hwmon1/device/hwmon1/temp1_input > /sys/class/hwmon/hwmon1/device/subsystem > /sys/class/hwmon/hwmon1/device/policy > /sys/class/hwmon/hwmon1/device/uevent > /sys/class/hwmon/hwmon1/device/passive Can you please share the full output of "strace sensors"? This will help me understand which exact code paths are taken in libsensors. > Is that expected? As for sensors, it *seems* to be bothered to find a > device/ folder in /sys/class/hwmon/hwmon1/ w/o no name entry in it. It should be able to cope with this just fine. The radeon driver does exactly this and libsensors has no problem with it. -- Jean Delvare _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
