Public bug reported:
The default setup for `systemd` fails silently (process "inactive
(dead)" after start) and `saned` can only be started with `sudo
/usr/sbin/saned -d -s -a saned`. The problem can be reduced to the
choice of user by running
$ sudo start-stop-daemon --start --exec /usr/sbin/saned --user saned
--group saned -- -d -s -a saned
[saned] main: starting debug mode (level 2)
[saned] saned (AF-indep+IPv6) from sane-backends 1.0.24 starting up
[saned] do_bindings: [0] bind failed: Address already in use
[saned] check_host: access by remote host: ::ffff:127.0.0.1
[saned] init: access granted to richter@::ffff:127.0.0.1
[saned] process_request: bad status 22
[saned] bailing out, waiting for children...
[saned] bail_out: all children exited
(the `Address already in use` message seems to non-fatal (IPv6
related?)) which fails and
$ sudo start-stop-daemon --start --exec /usr/sbin/saned --user root --group
root -- -d -s -a saned
[saned] main: starting debug mode (level 2)
[saned] saned (AF-indep+IPv6) from sane-backends 1.0.24 starting up
[saned] do_bindings: [0] bind failed: Address already in use
[saned] check_host: access by remote host: ::ffff:127.0.0.1
[saned] init: access granted to richter@::ffff:127.0.0.1
which works, but runs with service without reduced privileges which
would be preferable for a service.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: sane-utils 1.0.24-4ubuntu1
Uname: Linux 4.1.3-040103-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Aug 3 15:30:21 2015
InstallationDate: Installed on 2015-06-08 (56 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: sane-backends
UpgradeStatus: Upgraded to vivid on 2015-06-09 (55 days ago)
mtime.conffile..etc.default.saned: 2015-08-01T18:29:29.803750
mtime.conffile..etc.sane.d.saned.conf: 2015-08-01T18:36:03.214760
** Affects: sane-backends (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug vivid
** Summary changed:
- saned only runs as root, not saned
+ saned only runs with user root, not with intended user saned
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https://bugs.launchpad.net/bugs/1480919
Title:
saned only runs with user root, not with intended user saned
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