Triage report (2021-05-06)

[Lucas Kanashiro]

Hi,

On Thu, May 6, 2021 at 6:51 AM Paride Legovini <paride at ubuntu.com> wrote:

> Found 17 bugs, I just want to mention one, as the others are already in
> good hands.
>
> LP: #1927219 - (New)            [runc]           - context deadline
> exceeded: unknown in containerd with latest runc version
>
> This could be a Focal update-regression caused by the container stack
> backports (LP: #1919322) done to fix LP: #1916485.
>
> The user reports that the new runc prevents Kubernetes from working with
> a high number of containers. Downgrading runc alone fixes the issue for
> the user.
>
> I asked for more info about the system/memory load, as this info may
> help looking for relevant upstream issues/commits, but I think we'll
> need setup a reproducer and bisect (maybe after checking if it still
> happens with runc master).
>

Thanks for triaging this runc bug, Paride. I took a quick look at the
upstream bugs and I did not spot anything suspicious that could be related.
Let's wait for the extra information you asked there, I subscribed myself
to receive notifications.

Cheers!
Lucas Kanashiro.
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