Hi François,

On 7/12/24 2:53 PM, François Belias via lttng-dev wrote:
Hello,

When I run the command `sudo lttng list -k`, I get the following error:

To check a few things:

  * Is lttng-sessiond being run by the root user?
* If you run lttng-session with the "-vvv" option, are there messages related to loading the kernel modules? * Once the lttng-sessiond is started, you can check to see if the kernel modules have been loaded by running the following command:

```
lsmod | grep lttng
```

thanks,
kienan


```
Error: Unable to list kernel events: Kernel tracer not available.
```

I am trying to build LTTng-modules from the source. I followed the steps from this website: [LTTng Documentation](https://lttng.org/docs/v2.13/#doc-building-from-source <https://lttng.org/docs/v2.13/#doc-building-from-source>), but I still encounter this error. Can someone help me resolve this issue?

Thanks.

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