The Dell 7390 has a built in diagnostic tool that I ran with no errors found. Moreover, if this would be a hardware issue, it would be possible to just freeze the 18.04.6 system in a different way too!? I can leave it on and hope it stays on, running, however, after a while it goes into sleep mode, from which is not possible to wake up? I have googled a bit and found a similar scenario from another user as well.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-5.4 in Ubuntu. https://bugs.launchpad.net/bugs/2000491 Title: Dell Latitude 7390 running Ubuntu 18.04.6 fresh install system non- recoverable after screen lock and screen completely fades to black or after system goes into sleep Status in linux-hwe-5.4 package in Ubuntu: Invalid Bug description: This is a fresh install of Ubuntu 18.04.6 on Dell Latitude 7390. The system is non-recoverable after it goes into sleep. Or after the screen is locked by the user and after it fades to complete black. System becomes unresponsive, no mouse or keypress will get the system back on to work. If the systemctl suspend is issued, the system will not wake up again. Hard reset is needed. If Ubuntu 18.04.6 is booted from live USB, the same is happening. Sometimes, when the system is rendered unresponsive as a result of any of the above, the power led is sending the message of "processor failure" (2 x amber blinks followed by 1 x white blink). Any help is greatly appreciated! I will keep the system as is, without applying any updates for now. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-5.4.0-84-generic 5.4.0-84.94~18.04.1 ProcVersionSignature: Ubuntu 5.4.0-84.94~18.04.1-generic 5.4.133 Uname: Linux 5.4.0-84-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.26 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue Dec 27 01:13:12 2022 InstallationDate: Installed on 2022-12-26 (0 days ago) InstallationMedia: Ubuntu 18.04.6 LTS "Bionic Beaver" - Release amd64 (20210915) SourcePackage: linux-signed-hwe-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.4/+bug/2000491/+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
