Public bug reported:
Hi,
(Filing this bug against apt since that contains the systemd timers and
cron job to start unattended-upgrades).
I'm using unattended-upgrades on several computers. On the one that is
on most of the time, updates work as expected. On the ones that are off
most of the time, updates are never installed because there is always a
"dpkg: error: dpkg status database is locked by another process".
Running `unattended-upgrade -d` by hand or using aptitude works fine.
I suspect that because these computers are off most of the time, the
systemd timers for both apt-daily and apt-daily-upgrade are always run
at the same time during boot and resulting in the dpkg database being
locked for apt-daily-upgrade.
I will try disabling the systemd timers and using the cron job instead
to see if that fixes the problem.
FYI I also noticed that the cron job will only run when the system is on
A/C power, whereas the systemd timers do not seem to have any such
check.
Thanks.
- Felix
ubuntu version: 16.04.4 LTS
apt version: 1.2.26
unattended-upgrades version: 0.90ubuntu0.9
** Affects: apt (Ubuntu)
Importance: Undecided
Status: New
** Affects: unattended-upgrades (Ubuntu)
Importance: Undecided
Status: New
** Also affects: apt (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1771135
Title:
unattended upgrades always fail b/c dpkg status database is always
locked
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