It's not entirely impossible to screw something up playing with
kernel modules on a Saturday evening :-) This PR fixes a scenario
where a module has been loaded into the kernel but the module itself
has been removed from the disk.
```
$ lsmod | grep wireg
wireguard 225280 0
ip6_udp_tunnel 16384 1 wireguard
udp_tunnel 16384 1 wireguard
$ modprobe wireguard
modprobe: FATAL: Module wireguard not found in directory /lib/modules/4.18.16-200.fc28.x86_64
$ sudo ./systemd-networkd-tests.py NetworkdNetDevTests.test_wireguard
...
modprobe: FATAL: Module wireguard not found in directory /lib/modules/4.18.16-200.fc28.x86_64
test_wireguard (__main__.NetworkdNetDevTests) ... unexpected success
----------------------------------------------------------------------
Ran 1 test in 5.152s
FAILED (unexpected successes=1)
```
This is a follow-up to https://github.com/systemd/systemd/pull/10625.
A simple copy+paste mistake, since the reference to
systemd-localed.service was added to both locale.conf(5) and
vconsole.conf(5) in the same commit (8968e36f21).
A race condition happens when calling ask_password_auto() multiple times
to unlock several disks on boot and effectively no password caching is
utilized. This patch fixes it by polling the cache when waiting for
the password.
If networkd starts earlier than all network interfaces are initialized,
then uninitialized interfaces are staying in pending state and cannot
become up.
With this, such interfaces are started after receiving 'change' event.
If WorkingDirectory is on NFS, root might only have the privileges of
nobody and the chdir to the WorkingDirectory might fail, even if the
user running the service would have the proper privileges to chdir to
that directory.
Fixes#10568
I found zero references to busnames.target, using git grep "busnames".
(And we do not install using a wildcard units/*.*. There is no
busnames.target installed on my Fedora 28 system).
There is difference between time set by the user and real elapsed time because of accuracy feature.
If you change the system date(or time) between these times, the timer drops.
You can easily reproduce it with the following command.
-----------------------------------------------------------
$ systemd-run --on-active=3s ls; sleep 3; date -s "`date`"
-----------------------------------------------------------
In the following command, the problem is rarely reproduced. But it exists.
---------------------------------------------------------------------------------------------
$ systemd-run --on-active=3s --timer-property=AccuracySec=1us ls ; sleep 1; date -s "`date`"
---------------------------------------------------------------------------------------------
Note : Global AccuracySec value.
----------------------------------------------------------------------
$ cat /etc/systemd/system.conf
DefaultTimerAccuracySec=1min
----------------------------------------------------------------------
