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> On 2 Mar 2021, at 22:02, Qian Cai <qcai at redhat.com> wrote:
> 
> I am chasing a bug that "crictl rm" returns ESRCH which ends up tracking down in
> the rust agent code:
> 
> https://github.com/kata-containers/kata-containers/blob/a12772c6010f6886be7af86cd8c1a03008c4bb6c/src/agent/src/rpc.rs#L313
> 
> I don't yet understand how to get some debugging messages outside of the agent,
> so I can see why it return ESRCH. I tried added things like,
> 
> info!(sl!(), "KKK in do_signal_process()");

Have you tried replacing that with a warn! ? I remember having a similar issue where info! was filtered by default.

Did you change the logging level, see https://github.com/kata-containers/kata-containers/blob/main/docs/Developer-Guide.md#debug-logs-and-shimv2?


> 
> but I can't see that message anywhere. I even setup a debug console which allows
> me to connect to a shell, but that is. The only way I can get some message out
> (showed up in the CRI daemon logs) so far is,
> 
> return Err(anyhow!("KKK in do_signal_process()"));
> 
> which has to terminate the function. Do I have to use things like agent-ctl to
> capture those "info!" output?



> 
> Anyway, it is even better if anyone has some ideas on the bug itself which is
> that if we do a "crictl rm" without "crictl start" first, it will error out.
> 
> # crictl runp --runtime=kata pod-config.json
> # crictl create <sid> container-pod.json pod-config.json
> # crictl rm <cid>
> 
> ERRO[0010] removing container
> "144cf0b64d154983da7419a5e8ae5bcb796cc7b054aa7fdcfbb6c44ad8f33621" failed: rpc
> error: code = Unknown desc = unable to stop container
> 144cf0b64d154983da7419a5e8ae5bcb796cc7b054aa7fdcfbb6c44ad8f33621: failed to stop
> container 144cf0b64d154983da7419a5e8ae5bcb796cc7b054aa7fdcfbb6c44ad8f33621:
> ESRCH: No such process: unknown 
> FATA[0010] unable to remove container(s)
> 
> # cat pod-config.json
> {
>    "metadata": {
>        "name": "alpine-sandbox",
>        "namespace": "default",
>        "attempt": 1,
>        "uid": "hdishd83djaidwnduwk28bcsb"
>    },
>    "log_directory": "/tmp",
>    "linux": {
>    }
> }
> 
> # cat container-pod.json
> {
>  "metadata": {
>      "name": "alpine"
>  },
>  "image":{
>      "image": "alpine"
>  },
>  "command": [
>      "sleep", "3600"
>  ],
>  "log_path":"alpine.0.log",
>  "linux": {
>  }
> }
> 
> 
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