Bug#783509: systemd: /tmp purged on every reboot

[Didier Roche]

Le 28/04/2015 01:11, Michael Biebl a écrit :
> Am 27.04.2015 um 21:56 schrieb Michael Biebl:
>>> Ok, I can confirm that adding such a bind mount to /tmp activates
>>> tmp.mount, even if tmp.mount has been disabled. Retitling the bug report
>>> accordingly.
>> I can also confirm, that this is a regression from -12 to -13 by
>> installing those two versions from snapshot.d.o.
> I did a test build with
> debian/patches/PrivateTmp-shouldn-t-require-tmpfs.patch reverted, and
> that seems indeed to fix this particular issue.
> Interesting side-effect.
>
> Didier, any idea?
>

It's a weird side-effect indeed. The patch only downgrades the 
relationship with this mount, which already exists in systemd mem. I 
have no immediate idea what's happening there and a quick look at the 
code this morning didn't help either.