Public bug reported:
I have upgraded Ubuntu 16.04 (amd64) using Gnome as desktop to Ubuntu
18.04. Ubuntu 16.04 took just over 20 seconds from the time a selection
on the Grub boot menu was made until the login screen was displayed. On
Ubuntu 18.04 it takes about 20 seconds (from Grub menu) to display the
boot splash screen and in total it takes about 2min 30sec until the
login menu (gdm) is displayed.
Expected behaviour:
I would expect a new LTS release to have a similar boot time than the previous
release. At this time I am experiencing boot times slower that those I had a
few years ago from a traditional hard drive (which used to be just under 2min)
Additional information:
I have recently built two Ubuntu servers (17.10 in expectation of upgrading to
18.04 upon release). I found that the boot process went fairly smooth right
until the end where it seems to wait for about a minute for what seems to be a
network connection. After that wait period the text login prompt is displayed.
So I am guessing that there might be a service start timeout which blocks the
process.
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic
$ uname -a
Linux popeye 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
** Affects: plymouth (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Boot log"
https://bugs.launchpad.net/bugs/1769309/+attachment/5134222/+files/boot.log
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https://bugs.launchpad.net/bugs/1769309
Title:
Ubuntu 18.04 boot extremely slow
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