<div dir="ltr"><div dir="ltr"><div>No such service is available in root file system. The output of the command <i>ls / -R | grep Hwmon </i>is<i><br></i></div><div><br></div><div><i>root@zaius:~# ls / -R | grep Hwmon <br><b>xyz.openbmc_project.Hwmon@.service </b> <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:~#</i><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Nov 5, 2018 at 1:20 PM Troy Lee <<a href="mailto:leetroy@gmail.com">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">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>
>>>> ><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></div>