Public bug reported:
Ubuntu randomly hangs on boot, during the first black screen that
appears. Sometimes it boots normally, but shows couple acpi errors for a
second. I can boot successfuly after couple attempts usually. Sometimes
the system boots successfully for couple times in a row.
Sometimes it hangs on displaying a line: laoding initial ramdisk...
Usually I have to force shut down the system, and start it again to
boot. I haven't noticed any recurrence in those behaviours it just
happens randomly.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.18.0-20-generic 4.18.0-20.21~18.04.1
ProcVersionSignature: Ubuntu 4.18.0-20.21~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon May 20 19:59:39 2019
EcryptfsInUse: Yes
InstallationDate: Installed on 2019-05-18 (2 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
SourcePackage: linux-signed-hwe
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-hwe (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
** Attachment added: "Acpi errors in system log view"
https://bugs.launchpad.net/bugs/1829784/+attachment/5265113/+files/system_log_viewer.png
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https://bugs.launchpad.net/bugs/1829784
Title:
acpi(probably) random hang on boot
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