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DNS queries have a timeout of DNS_TRANSACTION_ATTEMPTS_MAX *
DNS_TIMEOUT_MAX_USEC = 120 s. Calls to the ResolveHostname method of
the org.freedesktop.resolve1.Manager interface have various call
timeouts that are smaller than 120 s. So it seems correct to adjust
the call timeout to the maximum query timeout and to unify the call
timeout among all callers.
A timeout of 120 s might seem large, in particular since BIND does seem
to have a query timeout of 10 s. However, it seems match the timeout
value of 120 s of Unbound. Moreover, the query and timeout handling of
resolve have problems and might be improved in the future, so this
change is at best an interim solution.
udev-made .device aliases are not normal alias
They are full-fledged units which are linked to
the same sysfs path
we need to explicitely propagate reload to all
alias
Incorporating the fix from d00f1d57 into other output formats of journalctl.
If journal files are corrupted, e.g. not cleanly closed, some journal
entries can not be read by output options other than 'short' (default).
If such entries has been identified, they will now just be skipped.
When a unit job finishes early (e.g. when fork(2) fails) triggered unit goes
through states
stopped->failed (or failed->failed),
in case a ExecStart= command fails unit passes through
stopped->starting->failed.
The former transition doesn't result in unit active/inactive timestamp being
updated and timer (OnUnitActiveSec= or OnUnitInactiveSec=) would use an expired
timestamp triggering immediately again (repeatedly).
This patch exploits timer's last trigger timestamp to ensure the timer isn't
triggered more frequently than OnUnitActiveSec=/OnUnitInactiveSec= period.
Steps to reproduce:
0) Create sample units:
cat >~/.config/systemd/user/looper.service <<EOD
[Service]
ExecStart=/usr/bin/sleep 2
EOD
cat >~/.config/systemd/user/looper.timer <<EOD
[Timer]
AccuracySec=5
OnUnitActiveSec=5
EOD
1) systemctl --user daemon-reload
2) systemctl --user start looper.timer
# to have first activation timestamp/sentinel
systemctl --user start looper.service
o Observe the service is being regularly triggered.
3) systemctl set-property user@$UID.service TasksMax=2
o Observe the tight looping as long as the looper.service cannot be started.
Ref: #5969
canonicalize_file_name() invocations were replaced by chase_symlinks() in
Decemeber 2016 with PR #4694, so we don't need this mention in the TODO anymore
The DHCPv6 client can obtain configuration parameters from a
DHCPv6 server through a rapid two-message exchange solicit and reply).
When the rapid commit option is enabled by both the DHCPv6 client and
the DHCPv6 server, the two-message exchange is used, rather than the default
four-method exchange (solicit, advertise, request, and reply). The two-message
exchange provides faster client configuration and is beneficial in environments
in which networks are under a heavy load.
Closes#5845
This happens to be almost the same moment as when we send READY=1 in the user
instance, but the logic is slightly different, since we log taint when
basic.target is reached in the system manager, but we send the notification
only in the user manager. So add a separate flag for this and propagate it
across reloads.
Fixes#7683.
The commit f14f1806e3 introduced CHASE_SAFE
flag. When the flag is set, then `fd_parent` may not be properly closed.
This sets `_cleanup_close_` attribute to `fd_parent`.
Thus, now `fd_parent` is always closed properly.
sd_journal_stream_fd() does not return the same file descriptor across
different calls. It can't possibly do so, because the file descriptor
is created using certain parameters passed by the caller.
Also the implementation clearly isn't doing this, it's just connecting
to a unix socket.
It opens exactly one file descriptor, and does not close it unless there
is a write failure. Nothing like "temporarily multiple file descriptors
may be open".
These restrictions are implied by systemd options used for
systemd-udevd.service, i.e. MountFlags=slave and
IPAddressDeny=any. However, there are users out there getting tripped by
this, so let's make things clear in the man page so the actual
restrictions we implement by default have better visibility.
Follow-up for e79eabdb1b. There was an
apparent contradiction:
man/systemd.unit says for Requires=:
Besides, with or without specifying After=, this unit will be deactivated
if one of the other units get deactivated.
Also, some unit types may deactivate on their own (for example, a service
process may decide to exit cleanly, or a device may be unplugged by the
user), which is not propagated to units having a Requires= dependency.
Fixes#7870.
When the DHCP server returns both a Classless Static Routes
option and a Static Routes option, the DHCP client MUST ignore the
Static Routes option.
Closes#7792
