beta2 installation interface freezes after load

Bug #1762217 reported by Edson T. Marques on 2018-04-08
This bug affects 1 person
Affects Status Importance Assigned to Milestone
casper (Ubuntu)
live-installer (Ubuntu)
ubiquity (Ubuntu)

Bug Description

Beforehand, I'd like to apologize if I'm reporting something inconsistent, but I believe that somehow what I'm reporting can be useful.

I've been testing bionic Ubuntu since before the first alphas, so the first bionic installation iso came out at "" I've already downloaded, installed and used it (on my computer (at my own risk, of course)).

The problem is that all this time I installed and removed a lot of things so that my ubuntu got a bit messy. So I decided to take advantage of the beta2 release to perform a fresh re-installation.

The problem is that I have been trying this with the "isos" available at "" from 2018-04-04, 2018-04-07 and today, 2018-04 -08 ... and, in all cases, after burning the pendrive and start the installation process, as soon as the system finishes loading the graphical installation interface (be it "try ubuntu without installing" or "Install ubuntu") , it freezes, leaving only the mouse pointer working. I have to turn off the computer on the button to be able to reboot.

My computer is a dell inspiron 7000 series gaming notebook with the following configuration of video cards:

$ lspci -k | grep -A 2 -i "VGA"
00: 02.0 VGA compatible controller: Intel Corporation Device 591b (rev 04)
Subsystem: Dell Device 0798
Kernel driver in use: i915
01: 00.0 VGA compatible controller: NVIDIA Corporation GP107M [GeForce GTX 1050 Ti Mobile] (rev a1)
Subsystem: Dell GP107M [GeForce GTX 1050 Ti Mobile]
Kernel driver in use: nvidia

This weekend I have read many articles from people who have been able to install bionic beta2 normally, so I think my problem is related to my hardware. So I decided to report this bug for informational purposes only.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 8 14:02:11 2018
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
InstallationDate: Installed on 2018-01-12 (86 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180111)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

I also note that during these 3 months (or more) of testing I had several problems related to the nouveal and nvidia drivers available in the "devel" repositories for bionic.

Almost all kernel upgrades with dkms recompilation, there were compilation or configuration errors of the drives, sometimes nvidia ora nouveal, that I needed to be alternating, installing, reinstalling, removing, overlapping, repeatedly trying to get a reconfiguration to recover the normal operation of the graphical interface.

Despite the work I believe I was successful and I was able to maintain my goal of helping to test ubuntu during this time, reporting, as far as possible, the problems I encountered.

What was really striking was all these compatibility issues between the new linux kernel, the bionic graphics drivers, and the graphical nvidia/intel hardware structure available in this dell notebook.

Same problem detected in the "2018-04-09 07:58" iso

Same problem detected in the "2018-04-10 08:03" iso

tags: added: 7000 beta2 dell inspiron installation series ubiquity-17.10 ubuntu
removed: ubiquity-17.10.10

Same problem detected in the "2018-04-11 08:03" iso

affects: ubiquity (Ubuntu) → casper
affects: casper → ubiquity (Ubuntu)
affects: ubiquity → live-installer (Ubuntu)

Same problem detected in the "2018-04-12" iso

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