Public bug reported:
[Impact]
apt-daily.timer is enabled on every boot and pulls in network-online.target via
Wants and After. While nothing has an After=apt-daily.timer (or rather an
After=timers.target) and this should thus not impact boot performance, the
rc-local.service specifies an After=network-online.target and the login stuff
(getty, gdm, etc) is ordered After=rc-local, thus severely increasing the time
to login if nothing else pulls in network-online (like an LSB script).
This works around the problem on most boots, the problem will only occur
if the timer would have elapsed while the machine was off.
[Test case]
Well, the change is fairly obvious. Actually testing that is pointless, and
depending on the system configuration, network-online.target might be pulled in
by something else. So just look at the file and check that the
network-online.target dependency moved to the service.
[Regression potential]
Literally none. We just move the dependency to the service which actually needs
it.
** Affects: apt (Ubuntu)
Importance: High
Status: Fix Released
** Affects: apt (Ubuntu Xenial)
Importance: High
Status: Triaged
** Affects: apt (Ubuntu Zesty)
Importance: High
Status: Triaged
** Also affects: apt (Ubuntu Zesty)
Importance: Undecided
Status: New
** Also affects: apt (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: apt (Ubuntu Xenial)
Status: New => Triaged
** Changed in: apt (Ubuntu Zesty)
Status: New => Triaged
** Changed in: apt (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: apt (Ubuntu Zesty)
Importance: Undecided => High
** Changed in: apt (Ubuntu)
Importance: Undecided => High
** Changed in: apt (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1716973
Title:
Don't pull in network-online.target in apt-daily.timer
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