[systemd-devel] How to debug stop job running into time-out?

[Mantas Mikulėnas]

On Wed, Oct 24, 2018 at 6:07 PM Paul Menzel <
pmenzel+systemd-devel at molgen.mpg.de> wrote:

> Dear systemd folks,
>
>
> With Debian Sid/unstable (systemd 239) and GDM 3.30.1, sometimes
> powering off the system, it takes two minutes and the message
> below is shown on the screen.
>
> > A stop job is running for User Manager for UID 1000 (1min 3s / 1 min 59s)
>
> What ways are there to debug this issue. The problem is, it’s
> not always reproducible.
>
> Is there a key combination for dumping the necessary information?
> Like what process(?) cannot be stopped?
>

My method for that is:
1. enable debug-shell.service;
2. repeat reboot/shutdown until reproduced;
3. Alt+F9 and try to type `sudo -u '#1000' XDG_RUNTIME_DIR='/run/user/1000'
systemctl --user list-jobs` through the message

-- 
Mantas Mikulėnas
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