** Changed in: linux-oem (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1856387
Title:
Freezing on boot since kernel 4.15.0-72-generic release
Status in linux package in Ubuntu:
Invalid
Status in linux-oem package in Ubuntu:
Invalid
Status in linux source package in Bionic:
Fix Committed
Status in linux-oem source package in Bionic:
Fix Committed
Bug description:
[SRU Justification]
[Impact]
In bug 1840239, HPET is disabled on some systems for they caused TSC
being marked unstable while it is not. This caused an regression as bug
1851216 that some systems may then hang at early, so a fix cherry picked
back from v5.3-rc1. However, this fix also introduce yet another
regression that some other users may hang at boot while PIT is diabled
in the previous fix.
[Fix]
Commit 979923871f69 ("x86/timer: Don't skip PIT setup when APIC is
disabled or in legacy mode") from v5.6-rc1, also backported to v5.4.19
and v5.5.3, fixes PIT setup in this case.
[Test Case]
Simply boot a patch kernel on systems affected and it shouldn't hang.
[Regression Potential]
Low. Stable patch and trivial backport.
[Other Info]
The same fix for bug 1851216 was also backported to Disco and Eoan, but
they were then fixed with this 979923871f69 commit backported in bug
1866858 and bug 1867051, which pulls v5.4 stable patches into Disco and
Eoan correspondingly, leaving B/OEM-B the only victims so far.
========== Original Bug Description ==========
After the update to install kernel 4.15.0-72-generic (a bit over a week ago)
my computer will not boot. On boot, all I see is the purple screen with:
Loading Linux 4.15.0-72-generic ...
Loading initial ramdisk ...
and nothing happens. Just sits there. I've waited about 5-10 minutes on
occasion but to no avail.
I've checked a number of logs in /var/log but not found anything.
If I go into the advanced options and select kernel
4.15.0-70-generic, the computer boots normally.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-72-generic 4.15.0-72.81
ProcVersionSignature: Ubuntu 4.15.0-70.79-generic 4.15.18
Uname: Linux 4.15.0-70-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tony 1977 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Sat Dec 14 21:53:14 2019
HibernationDevice: RESUME=UUID=5475ce25-e091-45e2-9811-9b5cddc08dd1
InstallationDate: Installed on 2018-09-16 (454 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f2:b59e Chicony Electronics Co., Ltd
Bus 001 Device 002: ID 046d:c063 Logitech, Inc. DELL Laser Mouse
Bus 001 Device 004: ID 8087:0aaa Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: GIGABYTE Sabre 17WV8
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-70-generic
root=UUID=9455257c-d3b7-4d61-853d-ab0b0ee40013 ro acpi=off
RelatedPackageVersions:
linux-restricted-modules-4.15.0-70-generic N/A
linux-backports-modules-4.15.0-70-generic N/A
linux-firmware 1.173.13
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/22/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F05
dmi.board.asset.tag: Tag 12345
dmi.board.name: Sabre 17WV8
dmi.board.vendor: GIGABYTE
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: GIGABYTE
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF05:bd05/22/2018:svnGIGABYTE:pnSabre17WV8:pvrNotApplicable:rvnGIGABYTE:rnSabre17WV8:rvrNotApplicable:cvnGIGABYTE:ct10:cvrN/A:
dmi.product.family: Sabre
dmi.product.name: Sabre 17WV8
dmi.product.version: Not Applicable
dmi.sys.vendor: GIGABYTE
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