Public bug reported:
This is not a question, but I found no thread to report this bug and
workaround on NON-NVIDIA-BASED systems:
Ubuntu 18.10, kernel 4.18.0-12-generic, GNOME Shell 3.30.1 on X11, after
a Dec 9 update:
Boot hangs at message, "Starting bpfilter." Gnome Display Manager
(login) fails to start. No keyboard response, tapping the power button
just once immediately initiates power-down. Other users have reported
successfully fixing this by removing nVidia drivers or disabling Wayland
in GDM3 (uncommenting WaylandEnable=false in /etc/gdm3/custom.conf.)
However, my HP laptop runs Intel graphics, and has no nVidia drivers
installed.
WORKAROUND
I selected Enable Networking in Recovery Mode, then Drop to Shell Prompt
(root,) and ran
apt update && apt install slim
to install SLiM display manager. the installation prompted me to choose
SLiM or GDM as the default, I chose SLiM, and was able to login finally
(after rebooting 50+ times.)
If you already have an alternate display manager installed, you can
switch with "sudo dpkg-reconfigure gdm" and select the alt dm.
This will probably be just a provisional workaround for the "bpfilter
hang" on non-nVidia systems if all the other suggested solutions didn't
work for you. BTW, I also tried LightDM a former Ubuntu DM, but got the
identical bootup hang.
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1808125
Title:
[WORKAROUND] Ubuntu 18.10 boot hangs with INTEL GRAPHICS at msg
"Starting bpfilter"
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