Public bug reported:
After the automatic update from 4.4.0-145 to 4.4.0-148 on a Thinkpad
L460 the boot process hangs before any visible output and doesnt proceed
from there.
Changing back to 4.4.0-145 in the grub menu makes the boot proceed
normally.
> lspci -knn | grep -A3 VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation Skylake GT2 [HD
Graphics 520] [8086:1916] (rev 07)
Subsystem: Lenovo Skylake Integrated Graphics [17aa:5051]
Kernel driver in use: i915_bpo
Kernel modules: i915_bpo
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-145-generic 4.4.0-145.171
ProcVersionSignature: Ubuntu 4.4.0-145.171-generic 4.4.176
Uname: Linux 4.4.0-145-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CurrentDesktop: Unity
Date: Sun May 19 16:36:06 2019
InstallationDate: Installed on 2016-11-04 (925 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: linux-signed
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1829657
Title:
Ubuntu 16.04 with kernel 4.4.0-148 hangs on boot on a ThinkPad L460
while 4.4.0-145 doesnt
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