Pleasee see inline. Regards. Thu Nguyen. From: openbmc on behalf of Mahesh Kurapati Date: Friday, 16 April 2021 at 01:19 To: "openbmc@lists.ozlabs.org" Subject: fansensor errors Hello, I am newbie with the OpenBMC. We are porting OpenBMC for a platform which has 7 fan modules with two fans in each module. I defined the pwm-tacho-controller@1e786000.conf, and when I run it, I see the following errors from the fansenor service. Here I pasted logs from the service, my conf file and other important information. I did not understand why the service is giving these errors. Appreciate your help. tacuser@fenderbmc:~# journalctl -u xyz.openbmc_project.fansensor.service -- Logs begin at Thu 1970-01-01 00:00:08 UTC, end at Thu 2021-04-15 17:26:28 UTC. -- Apr 15 17:24:24 fenderbmc systemd[1]: Started Fan Sensor. Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan9_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan13_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan1_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan4_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan7_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan11_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan14_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan2_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan5_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan8_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan12_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan3_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan6_input Apr 15 17:24:27 fenderbmc fansensor[306]: failed to find match for /sys/class/hwmon/hwmon0/fan10_input tacuser@fenderbmc:~# [Thu Nguyen]: It seem you are setting VIRTUAL-RUNTIME_obmc-sensors-hwmon?=”dbus-sensors”, but your configuration is for phosphor-hwmon. Above log is from dbus-sensors. tacuser@fenderbmc:~# ls -ls /sys/class/hwmon/hwmon0/ 0 lrwxrwxrwx 1 tacuser root 0 Jan 1 1970 device -> ../../../1e786000.pwm-tacho-controller 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan10_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan11_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan12_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan13_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan14_input 0 -r--r--r-- 1 tacuser root 4096 Jan 1 1970 fan1_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan2_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan3_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan4_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan5_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan6_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan7_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan8_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 fan9_input 0 -r--r--r-- 1 tacuser root 4096 Apr 15 17:24 name 0 lrwxrwxrwx 1 tacuser root 0 Jan 1 1970 of_node -> ../../../../../../../firmware/devicetree/base/ahb/apb/pwm-tacho-controller@1e786000 0 -rw-r--r-- 1 tacuser root 4096 Apr 15 17:45 pwm1 0 -rw-r--r-- 1 tacuser root 4096 Apr 15 17:45 pwm2 0 -rw-r--r-- 1 tacuser root 4096 Apr 15 17:45 pwm3 0 -rw-r--r-- 1 tacuser root 4096 Apr 15 17:45 pwm4 0 -rw-r--r-- 1 tacuser root 4096 Apr 15 17:45 pwm5 0 -rw-r--r-- 1 tacuser root 4096 Apr 15 17:45 pwm6 0 -rw-r--r-- 1 tacuser root 4096 Apr 15 17:45 pwm7 0 lrwxrwxrwx 1 tacuser root 0 Jan 1 1970 subsystem -> ../../../../../../../class/hwmon 0 -rw-r--r-- 1 tacuser root 4096 Jan 1 1970 uevent tacuser@fenderbmc:~# tacuser@fenderbmc:~# cat /etc/default/obmc/hwmon/ahb/apb/pwm-tacho-controller@1e786000.conf # Fender has 7 fan modules with two fans in each module LABEL_fan1 = "fanA0" LABEL_fan2 = "fanA1" LABEL_fan3 = "fanB0" LABEL_fan4 = "fanB1" LABEL_fan5 = "fanC0" LABEL_fan6 = "fanC1" LABEL_fan7 = "fanD0" LABEL_fan8 = "fanD1" LABEL_fan9 = "fanE0" LABEL_fan10 = "fanE1" LABEL_fan11 = "fanF0" LABEL_fan12 = "fanF2" LABEL_fan13 = "fanG0" LABEL_fan14 = "fanG1" PWM_TARGET_1 = "fanA" PWM_TARGET_2 = "fanB" PWM_TARGET_3 = "fanC" PWM_TARGET_4 = "fanD" PWM_TARGET_5 = "fanE" PWM_TARGET_6 = "fanF" PWM_TARGET_7 = "fanG" [Thu] The setting of PWM_TARGET should be: PWM_TARGET_fan1 = "PWM#" <= Ex “3” PWM_TARGET_fan2 = "PWM#" <= Ex “3” PWM_TARGET_fan3 = "PWM#" <= Ex “4” PWM_TARGET_fan4 = "PWM#" <= Ex “4” PWM_TARGET_fan5 = "PWM#" <= Ex “5” PWM_TARGET_fan6 = "PWM#" <= Ex “5” PWM_TARGET_fan7 = "PWM#" <= Ex “6” PWM_TARGET_fan8 = "PWM#" <= Ex “6” PWM_TARGET_fan9 = "PWM#" <= Ex “7” PWM_TARGET_fan10 = "PWM#" <= Ex “7” PWM_TARGET_fan11 = "PWM#" <= Ex “8” PWM_TARGET_fan12 = "PWM#" <= Ex “8” PWM_TARGET_fan13 = "PWM#" <= Ex “9” PWM_TARGET_fan14 = "PWM#" <= Ex “9” tacuser@fenderbmc:~# tacuser@fenderbmc:/sys/devices/platform/ahb/ahb:apb/1e786000.pwm-tacho-controller/hwmon/hwmon0# ls device fan11_input fan13_input fan1_input fan3_input fan5_input fan7_input fan9_input of_node pwm2 pwm4 pwm6 subsystem fan10_input fan12_input fan14_input fan2_input fan4_input fan6_input fan8_input name pwm1 pwm3 pwm5 pwm7 uevent tacuser@fenderbmc:/sys/devices/platform/ahb/ahb:apb/1e786000.pwm-tacho-controller/hwmon/hwmon0#