<div dir="ltr"><div dir="ltr"><div>I corrected the path of the environment file to be meta-zaius/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwon/ahb/apb/i2c@1e78a000/i2c-bus@440/tmp75@48.conf.</div><div><br></div><div>Still temp1_input is not coming on the sysfs (/sys/class/hwmon/hwmon0)<br></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Tue, Nov 6, 2018 at 12:01 PM Kun Yi <<a href="mailto:kunyi@google.com" target="_blank">kunyi@google.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_quote"><div dir="ltr">On Mon, Nov 5, 2018 at 10:17 PM Troy Lee <<a href="mailto:leetroy@gmail.com" target="_blank">leetroy@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">The *service* here doesn't relate to systemd service.<br>
<br>
It is the name on D-Bus.<br>
<a href="https://github.com/openbmc/phosphor-hwmon#d-bus-bus-names" rel="noreferrer" target="_blank">https://github.com/openbmc/phosphor-hwmon#d-bus-bus-names</a><br>
<br>
Try this command to list all the services related to hwmon:<br>
# busctl --no-page list | grep -E "Hwmon1|PID"<br>
<br>
First column will be the service name.<br>
<br>
Yu-Ting Lee (Troy Lee) <<a href="mailto:LeeTroy@gmail.com" target="_blank">LeeTroy@gmail.com</a>><br>
AKASH G J <<a href="mailto:akashgj91@gmail.com" target="_blank">akashgj91@gmail.com</a>> 於 2018年11月5日 週一 下午4:40寫道：<br>
><br>
> No such service is available in root file system. The output of the command ls / -R | grep Hwmon is<br>
><br>
> root@zaius:~# ls / -R | grep Hwmon<br>
> xyz.openbmc_project.Hwmon@.service<br>
> system-xyz.openbmc_project.Hwmon.slice<br>
> /sys/fs/cgroup/systemd/system.slice/system-xyz.openbmc_project.Hwmon.slice:<br>
> system-xyz.openbmc_project.Hwmon.slice<br>
> /sys/fs/cgroup/unified/system.slice/system-xyz.openbmc_project.Hwmon.slice:<br>
> root@zaius:~#<br>
><br>
> On Mon, Nov 5, 2018 at 1:20 PM Troy Lee <<a href="mailto:leetroy@gmail.com" target="_blank">leetroy@gmail.com</a>> wrote:<br>
>><br>
>> Your service path doesn't look right.<br>
>><br>
>> According to:<br>
>> <a href="https://github.com/openbmc/docs/blob/master/sensor-architecture.md#d-bus" rel="noreferrer" target="_blank">https://github.com/openbmc/docs/blob/master/sensor-architecture.md#d-bus</a><br>
>><br>
>> It should be something like this:<br>
>> xyz.openbmc_project.Hwmon-<hash>.Hwmon1<br>
>><br>
>><br>
>><br>
>> Yu-Ting Lee (Troy Lee) <<a href="mailto:LeeTroy@gmail.com" target="_blank">LeeTroy@gmail.com</a>><br>
>> AKASH G J <<a href="mailto:akashgj91@gmail.com" target="_blank">akashgj91@gmail.com</a>> 於 2018年11月5日 週一 下午2:55寫道：<br>
>> ><br>
>> > I tried the command busctl --system introspect xyz.openbmc_project.Hwmon@.service /xyz/openbmc_project/Sensors/temperature/ambient xyz.openbmc_project.sensor.Threshold.Warning | grep property and it outputs<br>
>> ><br>
>> > Failed to introspect object /xyz/openbmc_project/Sensors/temperature/ambient of service xyz.openbmc_project.Hwmon@.service: Invalid argument.<br>
>> ><br>
>> > I added the file meta-zaius/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e6e2000/i2c-bus@90/tmp75@48.conf in machine configuration directory with the following contents for dbus mapping.<br>
>> ><br>
>> > LABEL_temp1 = ambient<br>
>> > WARNLO_temp1=-40<br>
>> > WARNHI_temp1=125<br>
>> ><br>
>> > Whether this is correct or not?<br>
>> ><br>
>> > On Fri, Nov 2, 2018 at 8:57 PM Emily Shaffer <<a href="mailto:emilyshaffer@google.com" target="_blank">emilyshaffer@google.com</a>> wrote:<br>
>> >><br>
>> >> Have you tried a dbus introspect to see if the sensor is coming across dbus correctly? There is a sample introspect command on the sensor howto, check out the busctl usage. <a href="https://github.com/openbmc/docs/blob/master/sensor-architecture.md" rel="noreferrer" target="_blank">https://github.com/openbmc/docs/blob/master/sensor-architecture.md</a><br>
>> >><br>
>> >> On Fri, Nov 2, 2018, 3:21 AM AKASH G J <<a href="mailto:akashgj91@gmail.com" target="_blank">akashgj91@gmail.com</a>> wrote:<br>
>> >>><br>
>> >>> I added the sensor configuration to phosphor-host-ipmid's sensor configuration like.<br>
>> >>><br>
>> >>> 0x12: &temperature<br>
>> >>> sensorType: 0x01<br>
>> >>> path: /xyz/openbmc_project/sensors/temperature/ambient<br>
>> >>> sensorReadingType: 0x01<br>
>> >>> multiplierM: 235<br>
>> >>> offsetB: 0<br>
>> >>> bExp: 0<br>
>> >>> unit: xyz.openbmc_project.Sensor.Value.Unit.DegreesC<br>
>> >>> scale: -3<br>
>> >>> rExp: -3<br>
>> >>> serviceInterface: org.freedesktop.DBus.Properties<br>
>> >>> readingType: readingData<br>
>> >>> interfaces:<br>
>> >>> xyz.openbmc_project.Sensor.Value:<br>
>> >>> Value:<br>
>> >>> Offsets:<br>
>> >>> 0xFF:<br>
>> >>> type: int64_t<br>
>> >>><br>
>> >>><br>
>> >>> When I run the command ipmitool -I dbus sdr elist full, it gives the following.<br>
>> >>><br>
>> >>> ambient | 12h | ns | 0.0 | Disabled<br>
>> >>><br>
>> >>> It is not giving the sensor reading and it is showing the sensor device is disabled.<br>
>> >>><br>
>> >>> On Thu, Nov 1, 2018 at 11:28 PM Patrick Venture <<a href="mailto:venture@google.com" target="_blank">venture@google.com</a>> wrote:<br>
>> >>>><br>
>> >>>> On Tue, Oct 30, 2018 at 10:13 PM AKASH G J <<a href="mailto:akashgj91@gmail.com" target="_blank">akashgj91@gmail.com</a>> wrote:<br>
>> >>>> ><br>
>> >>>> > Hi All,<br>
>> >>>> ><br>
>> >>>> > I built OpenBMC Linux using Zaius configuration and booted on BMC Aspeed AST-2500. The board we are using have one temperature sensor (Texas Instruments TMP75) on I2C-12 interface.<br>
>> >>>> ><br>
>> >>>> > I added the file meta-zaius/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e6e2000/i2c-bus@90/tmp75@48.conf in machine configuration directory with the following contents.<br>
>> >>>> ><br>
>> >>>> > LABEL_temp1 = ambient<br>
>> >>>> > WARNLO_temp1=-40<br>
>> >>>> > WARNHI_temp1=125<br>
>> >>>> ><br>
>> >>>> > I added the following patch to the kernel file linux/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts.<br>
>> >>>> ><br>
>> >>>> > &i2c12 {<br>
>> >>>> > - status = "disabled";<br>
>> >>>> > + status = "okay";<br>
>> >>>> > +<br>
>> >>>> > + tmp75@48 {<br>
>> >>>> > + compatible = "ti,tmp75";<br>
>> >>>> > + reg = <0x48>;<br>
>> >>>> > + };<br>
>> >>>> > +<br>
>> >>>> > };<br>
>> >>>> ><br>
>> >>>> > After booting Linux, the changes are reflected in /sys/firmware/devicetree/base/ahb/apb/i2c@1e78a000/i2c-bus@440/tmp75@48. Also,<br>
>> >>>> > tmp78.conf is showing in /etc/default/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@90.<br></blockquote><div><br></div><div>Besides what others suggested looks like you have a mismatch between your device path and the path for the environment file. They need to have the same path.<br></div><div><br></div><div>Steps to try:</div><div>1. Fix the path of your environment file to be meta-zaius/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwon/ahb/apb/i2c@1e78a000/i2c-bus@440/tmp75@48.conf </div><div>2. Make sure the hwmon sysfs interface shows up and temp1_input reads a valid value</div><div>3. Play with busctl as others suggested and make sure the sensor value is reported over DBus</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
>> >>>> ><br>
>> >>>> > when I am running the ipmitool command: ipmitool -I dbus sdr elist full it is not showing the temperature sensor and its reading.<br>
>> >>>> ><br>
>> >>>> > Please someone help to resolve the problem.<br>
>> >>>><br>
>> >>>> You'll need to add the sensor configuration to the<br>
>> >>>> phosphor-host-ipmid's sensor configuration, see:<br>
>> >>>><br>
>> >>>> <a href="https://github.com/openbmc/openbmc/blob/master/meta-ingrasys/meta-zaius/recipes-phosphor/ipmi/phosphor-ipmi-sensor-inventory%25/config.yaml" rel="noreferrer" target="_blank">https://github.com/openbmc/openbmc/blob/master/meta-ingrasys/meta-zaius/recipes-phosphor/ipmi/phosphor-ipmi-sensor-inventory%25/config.yaml</a><br>
>> >>>><br>
>> >>>> ><br>
>> >>>> ><br>
>> >>>> > Thanks and Regards,<br>
>> >>>> ><br>
>> >>>> > Akash<br>
>> >>>> ><br>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="m_-4733956080620071153m_5375469761459664922gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Regards,<div>Kun</div></div></div></div>
</blockquote></div>