in 'uu' context and only during the shutdown operation seems like.
I just ran 'uu' from the CLI and it went well :
$ sudo unattended-upgrade --debug
...
Log started: 2018-11-01 19:10:16
(Reading database ... 56537 files and directories currently installed.)
Preparing to unpack .../linux-cloud-tools-common_4.15.0-36.39_all.deb ...
Unpacking linux-cloud-tools-common (4.15.0-36.39) over (4.15.0-34.37) ...
Setting up linux-cloud-tools-common (4.15.0-36.39) ...
Processing triggers for ureadahead (0.100.0-20) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
left to upgrade {'libcurl4', 'curl'}
adjusting candidate version: linux-cloud-tools-common=4.15.0-36.39
applying set ['libcurl4', 'curl']
Log ended: 2018-11-01 19:10:20
...
ii linux-cloud-tools-common 4.15.0-36.39
all Linux kernel version specific cloud tools for version
4.15.0
During the shutdown procedure, it seems like something send a SIGTERM to
'uu' which cause the installation to not complete :
2018-11-01 14:20:26,426 INFO Writing dpkg log to
/var/log/unattended-upgrades/unattended-upgrades-dpkg.log
2018-11-01 14:25:23,996 WARNING SIGTERM received, will stop
2018-11-01 14:25:24,027 WARNING SIGTERM received, will stop
2018-11-01 14:25:24,578 ERROR Installing the upgrades failed!
2018-11-01 14:25:24,579 ERROR error message: installArchives() failed
2018-11-01 14:25:24,579 ERROR dpkg returned a error! See
/var/log/unattended-upgrades/unattended-upgrades-dpkg.log for details
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https://bugs.launchpad.net/bugs/1796376
Title:
Bug #1739107 fix causes linux-cloud-tools-common not to be upgradable
with unattended-upgrades on shutdown mode
Status in linux package in Ubuntu:
Confirmed
Bug description:
Since the following linux-cloud-tools-common package versions :
Xenial : 4.4.0-135.161
Bionic : 4.15.0-34.37
the Systemd service unit file for hv-kvp-daemon has been modified with new
dependencies that make the package unable to be upgraded with
unattended-upgrades on shutdown mode.
Unattended-upgrades hangs with the linux-cloud-tools-common package during
"Preparing to unpack". The server restarts after the unattended-upgrades
service timeout expires.
- Package state after reboot :
iFR linux-cloud-tools-common 4.15.0-34.37
all Linux kernel version specific cloud tools for version
4.15.0
- Unattended-upgrades dpkg logs :
Log started: 2018-10-05 17:59:04
(Reading database ... 52043 files and directories currently installed.)
Preparing to unpack .../linux-cloud-tools-common_4.15.0-36.39_all.deb ...
Log ended: 2018-10-05 18:00:54
- Impact :
The current impact is very important as all security updates are
blocked until you manually fix each server with :
dpkg --configure -a
apt install --only-upgrade linux-cloud-tools-common
- Workaround/Fix :
As a simple straightforward fix, replacing :
Before=shutdown.target cloud-init-local.service walinuxagent.service
with :
Before=shutdown.target walinuxagent.service
makes the package upgradable during shutdown.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796376/+subscriptions
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