Tested with 4.17rc7, issue still exist. But the situation is a bit different, the system was hanging there for more than 30 minutes, and the magic key is not working.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1774105 Title: [Dell Inspiron 7577] System took a very long time to shutdown with nouveau driver Status in linux-signed package in Ubuntu: New Bug description: CID: 201706-25581 Dell Inspiron 7577 Steps: 1. Install Bionic + update with LiveUSB 2. Boot to the desktop 3. Poweroff / restart the system from the menu in the upper right corner Result: It will take about 5 minutes for this system to poweroff. It will hang for about 3 minutes right after you click on the power off button. The ctrl + alt + prtscr + b magic key combination is still alive. This is the last thing that could be seen from syslog: May 30 12:29:27 ubuntu-Inspiron-7577 systemd[858]: Stopping D-Bus User Message Bus... May 30 12:29:27 ubuntu-Inspiron-7577 gvfsd[1038]: A connection to the bus can't be made May 30 12:29:27 ubuntu-Inspiron-7577 gnome-session[942]: gnome-session-binary[942]: WARNING: Lost name on bus: org.gnome.SessionManager May 30 12:29:27 ubuntu-Inspiron-7577 gnome-session-binary[942]: WARNING: Lost name on bus: org.gnome.SessionManager May 30 12:29:27 ubuntu-Inspiron-7577 gnome-session[942]: gnome-session-binary[942]: CRITICAL: We failed, but the fail whale is dead. Sorry.... May 30 12:29:27 ubuntu-Inspiron-7577 gnome-session-binary[942]: CRITICAL: We failed, but the fail whale is dead. Sorry.... May 30 12:29:27 ubuntu-Inspiron-7577 gsd-xsettings[1223]: Error releasing name org.gtk.Settings: The connection is closed After that, you will see console output and nouveau is complaining about fail-to-idle. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-22-generic 4.15.0-22.24 ProcVersionSignature: User Name 4.15.0-22.24-generic 4.15.17 Uname: Linux 4.15.0-22-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Wed May 30 12:34:00 2018 InstallationDate: Installed on 2018-05-29 (0 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) SourcePackage: linux-signed UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1774105/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
