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| -rw-r--r-- | content/docs/user_guide/FAQ.md | 12 |
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diff --git a/content/docs/user_guide/FAQ.md b/content/docs/user_guide/FAQ.md index b49ba0377..b3380485b 100644 --- a/content/docs/user_guide/FAQ.md +++ b/content/docs/user_guide/FAQ.md @@ -78,6 +78,18 @@ sudo chown root:root /usr/local/bin/runsc sudo chmod 0755 /usr/local/bin/runsc ``` +### I'm getting an error like `mount submount "/etc/hostname": creating mount with source ".../hostname": input/output error: unknown.` + +There is a bug in Linux kernel versions 5.1 to 5.3.15, 5.4.2, and 5.5. Upgrade to a newer kernel or add the following to `/lib/systemd/system/containerd.service` as a workaround. + +``` +LimitMEMLOCK=infinity +``` + +And run `systemctl daemon-reload && systemctl restart containerd` to restart containerd. + +See [issue #1765](https://gvisor.dev/issue/1765) for more details. + ### My container cannot resolve another container's name when using Docker user defined bridge This is normally indicated by errors like `bad address 'container-name'` when |