Bug#794280: udev: Cannot upgrade: group 'input' already exists

Michael Biebl biebl at debian.org
Wed Apr 20 15:04:09 BST 2016

Hi Charles,

Am 20.04.2016 um 15:59 schrieb Charles Plessy:
> Interesingly, I had a similar error with a systemd package and the
> systemd-journal user.

That sounds like someone created that user locally.  We always used
--system in the maintainer scripts of systemd.
The only other explanation I could offer is either a bug in adduser
(unlikely) or someone modified /etc/adduser.conf and a system users
suddenly fell in a non-system-user uid range.

> Since the machine where I saw the problem has been installed by somebody else
> than me, I can not exclude that the groups were added by hand, however I would
> find this surprising.

Most likely it's a local modification, but maybe you can grep through
the maintainer scripts of that system to see if any other package
created that group.


Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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