Bug#788303: systemd: Hangs indefinitely on >90% of reboot attempts

[Felipe Sateler]

On 6 Jan 2016 02:45, "Frank Heckenbach" <f.heckenbach at fh-soft.de> wrote:
>
> I did some more debugging, and found out some things:
>
> - In a debug shell after the failed shutdown, I did:
>
>   systemctl status `systemctl | grep failed | grep swap | awk '{print
$2}'`
>
>   and found an error message like this:
>
>   swapoff: /dev/sdxx: swapoff failed: Cannot allocate memory
>

Maybe related to:

https://github.com/systemd/systemd/issues/1902

I don't think we have backported that fix to stable. Could you try the
workaround of ordering the aliased swap units?

Add a file /etc/systemd/system/swap.target.d/override.conf

[Unit]
After=$swapunits

You can find out the precise swap units by using `systemctl list-units
--type swap`

You need to do systemctl daemon-reload after adding the file.

(Writing this from phone so please check typos in any paths/commands)

Saludos
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