Laptop freezes after installation is finished when pressing "Restart Now"

Bug #1822044 reported by Pierre Equoy on 2019-03-28
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
ubiquity (Ubuntu)

Bug Description

As stated in lp:1822026, the Dell Precision 7530 I'm using is using nouveau graphics drivers by default when starting a live session, and this driver is prone to errors.

One of the most annoying for a new user is the following:

1. Boot into 19.04 live session
2. Launch "Install Ubuntu 19.04" and go through the installation steps
3. Once the install is done, the "Installation Complete" dialog is shown with two options: [Continue Testing][Restart Now]
4. Press [Restart Now]

Expected behaviour:

4. The device restarts and boots into freshly installed Ubuntu 19.04.

Actual behaviour:

4. The device freezes and even the keyboard combination SysRq+REISUB doesn't do anything. User has to force shutdown the device by pressing Power button for a few seconds, remember to remove the USB drive, then manually start the device.

All the hardware-related information is available in the sosreport attachment in lp:1822026:

Pierre Equoy (pieq) on 2019-03-28
description: updated
tags: added: amd64 apport-bug ce-qa-concern disco rls-dd-incoming ubuntu
Changed in ubiquity (Ubuntu):
status: New → Confirmed
importance: Undecided → High
Seth Forshee (sforshee) wrote :

I take it that the install was successful and that it boots into 19.04 just fine after the force power off? Does the hang also happen on subsequent reboots, or only when rebooting from the installer?

Brian Murray (brian-murray) wrote :

Additionally, if you choose to reboot from the live environment without installing what happens?

Changed in linux (Ubuntu):
status: New → Incomplete
importance: Undecided → High
Changed in ubiquity (Ubuntu):
status: Confirmed → Incomplete
Timo Aaltonen (tjaalton) wrote :

so this is another dupe of 1822026?

Pierre Equoy (pieq) wrote :

@Seth: It boots into 19.04, but then I face issue lp:1822047 (again, caused by nouveau driver)

@Brian: Both reboot and power off will freeze, no matter if it's when finishing up the install or just leaving the live session (sorry, I should have mentioned that in my description).

@Timo: Probably, yes :)

Brad Figg (brad-figg) on 2019-07-24
tags: added: cscc
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