Bug#762041: systemd: upgrading systemd results in /run/user/<uid> being emptied

[Sven Joachim]

On 2014-09-18 16:10 +0200, Uoti Urpala wrote:

> I checked that this did not happen on a system I just updated from 204
> to 215; contents of /run/user/1000 remained unchanged after the upgrade.

Not here, upgrading from 208 to 215.

> Are you sure that the upgrade actually *removed* contents? A possibly
> relevant change is that logind started to mount a per-user tmpfs
> in /run/user/* (for per-user size limits). If something on your system
> triggered a mount of a new tmpfs over the existing directory, that could
> give similar symptoms.

This is exactly what I observe: before the upgrade /run/user was mounted
on a tmpfs, after the upgrade another tmpfs appeared mounted on
/run/user/1000, shadowing the files on /run/user.  Unmounting that new
tmpfs brought the old files back to light.

Cheers,
       Sven