Comment 1 for bug 1690980

Revision history for this message
ethan.hsieh (ethan.hsieh) wrote : Re: No pop-up window to warn users that system should not reboot or shutdown while installing security updates

According to 1), system rebooted at 08:22:27, May 12.
According to 2)3)4), system was updating packages at 08:22:XX.
System rebooted while installing security updates. It resulted in the incomplete package installation.
X crash (compiz[1824]: segfault) is caused by an incomplete package installation.

1) Kern.log
kern.log
May 12 08:22:27 NetworkManager[965]: <info> [1494591747.8211] ModemManager disappeared from bus
// System reboots
May 12 08:23:37 kernel: [ 0.000000] Initializing cgroup subsys cpuset
// It's the first time we see segfault of compiz.
May 12 08:24:14 kernel: [ 59.139613] compiz[1824]: segfault at e0 ip 00007f0b62318263 sp 00007ffdfbff4c20 error 4

2) history.log
apt/history.log
Start-Date: 2017-05-12 07:43:26
Commandline: /usr/bin/unattended-upgrade
Install: linux-image-4.4.0-75-generic:amd64 (4.4.0-75.96, automatic), ... etc

3) dpkg.log
dpkg.log
2017-05-12 07:43:26 startup archives unpack
2017-05-12 07:43:27 upgrade login:amd64 1:4.2-3.1ubuntu5 1:4.2-3.1ubuntu5.2
...
2017-05-12 08:22:24 status unpacked linux-headers-4.4.0-75:all 4.4.0-75.96
2017-05-12 08:22:24 install linux-headers-4.4.0-75-generic:amd64 <none> 4.4.0-75.96
2017-05-12 08:22:24 status half-installed linux-headers-4.4.0-75-generic:amd64 4.4.0-75.96

4) unattended-upgrades/unattended-upgrades.log
2017-05-12 07:06:36,093 INFO Initial whitelisted packages:
2017-05-12 07:06:36,094 INFO Starting unattended upgrades script
2017-05-12 07:06:36,094 INFO Allowed origins are: ['o=Ubuntu,a=xenial-security']
2017-05-12 07:43:24,300 INFO Packages that will be upgraded: apparmor apport apport-gtk ... etc