** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1916778
Title:
After 5.4.0-66 kernel upgrade, HP Spectre screen flickers
Status in linux package in Ubuntu:
Confirmed
Bug description:
OS: Ubuntu 20.04.2 LTS
Kernel: Linux 5.4.0-66-generic (X86_64)
Version: #74-Ubuntu SMP Wed Jan 27 22:54:38 UTC 2021
-Display-
Resolution : 3840x2160 pixels
Vendor : The X.Org Foundation
Version : 1.20.9
Current Display Name : :0
-Monitors-
Monitor 0 : 3840x2160 pixels
Renderer : Mesa Intel(R) UHD Graphics 620 (KBL GT2)
Version : 4.6 (Compatibility Profile) Mesa 20.2.6
Direct Rendering : Yes
-Memory-
MemTotal Total Memory 16143780 KiB
MemFree Free Memory 4441688 KiB
After installing the latest Ubuntu kernel update, the screen of my HP
Spectre laptop began flickering into distorted illegibility at
frequent -- but unpredictable -- intervals. The machine is unusable
when this occurs. Additionally, GIMP has begun crashing
unpredictably.
I have rebooted many times. I have changed the display drivers
(currently using the X.org driver). None of this has affected the
problem.
I have searched online for possible fixes, and found nothing useful.
HP's "support" is useless, since they only deal with Windows.
StackExchange referred me to this site.
I hope I have reported correctly. Thank you.
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ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jiw2 5028 F.... pulseaudio
/dev/snd/pcmC0D0p: jiw2 5028 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2018-11-17 (830 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 8087:0025 Intel Corp.
Bus 001 Device 002: ID 0408:5251 Quanta Computer, Inc. HP Wide Vision FHD
Camera
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: HP HP Spectre x360 Convertible 15-ch0xx
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-66-generic
root=UUID=bbd73d9c-649c-4f49-9527-3afd6bbd8b67 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.4.0-66.74-generic 5.4.86
RelatedPackageVersions:
linux-restricted-modules-5.4.0-66-generic N/A
linux-backports-modules-5.4.0-66-generic N/A
linux-firmware 1.187.9
Tags: focal
Uname: Linux 5.4.0-66-generic x86_64
UpgradeStatus: Upgraded to focal on 2020-09-30 (148 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 10/01/2018
dmi.bios.vendor: AMI
dmi.bios.version: F.22
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 83BA
dmi.board.vendor: HP
dmi.board.version: 57.30
dmi.chassis.type: 31
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAMI:bvrF.22:bd10/01/2018:svnHP:pnHPSpectrex360Convertible15-ch0xx:pvr:rvnHP:rn83BA:rvr57.30:cvnHP:ct31:cvrChassisVersion:
dmi.product.family: 103C_5335KV HP Spectre
dmi.product.name: HP Spectre x360 Convertible 15-ch0xx
dmi.product.sku: 2LV24UA#ABA
dmi.sys.vendor: HP
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