Comment # 1 on bug 1231986 from Thorsten Kukuk

(In reply to Volodymyr Katkalov from comment #0)
> ## Observation
> 
> openQA test in scenario
> microos-Staging:E-Staging-DVD-x86_64-container-host-
> microos@volodymyrkatkalov/os-autoinst-distri-
> opensuse#reboot_mgr_soft_reboot_fix_10@64bit-2G-HD40G fails in
> [rebootmgr](https://openqa.opensuse.org/tests/4543264/modules/rebootmgr/
> steps/41)

The link only shows two failed unmounts, which are expected.

> ## Reproducible
> 
> Fails when enabling soft reboot. Can be reproduced on local VM. 

What does fail mean? And how can I reproduce that on a local VM?
We are using soft-reboot since months in production and I have never seen
anywhere any "fail".

> sync &&
> systemctl soft-reboot mitigates both error message and reduces hanging rate,
> but does not guarantee. Potential workaround is doing ctrl+alt+f3,
> ctrl+alt+f1, ctrl+alt+f2.

This doesn't make any sense.