This bug still exists on Ubuntu 23.10. HP Elitebook 840 G1.
inxi -Fxz
System:
Kernel: 6.5.0-21-generic arch: x86_64 bits: 64 compiler: N/A Desktop: GNOME
v: 45.2 Distro: Ubuntu 23.10 (Mantic Minotaur)
Machine:
Type: Laptop System: Hewlett-Packard product: HP EliteBook 840 G1
v: A3009DD10303 serial: <superuser required>
Mobo: Hewlett-Packard model: 198F v: KBC Version 15.59
serial: <superuser required> BIOS: Hewlett-Packard v: L71 Ver. 01.46
date: 07/20/2018
Battery:
ID-1: BAT0 charge: 42.8 Wh (94.7%) condition: 45.2/45.2 Wh (100.0%)
volts: 13.0 min: 11.4 model: Hewlett-Packard Primary status: charging
CPU:
Info: dual core model: Intel Core i5-4300U bits: 64 type: MT MCP
arch: Haswell rev: 1 cache: L1: 128 KiB L2: 512 KiB L3: 3 MiB
Speed (MHz): avg: 2622 high: 2708 min/max: 800/2900 cores: 1: 2594 2: 2594
3: 2594 4: 2708 bogomips: 19952
Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
Graphics:
Device-1: Intel Haswell-ULT Integrated Graphics vendor: Hewlett-Packard
driver: i915 v: kernel arch: Gen-7.5 bus-ID: 00:02.0
Device-2: Cheng Uei Precision Industry (Foxlink) HP HD Webcam
driver: uvcvideo type: USB bus-ID: 2-7:3
Display: wayland server: X.Org v: 1.23.2 with: Xwayland v: 23.2.0
compositor: gnome-shell driver: X: loaded: modesetting unloaded: fbdev,vesa
dri: crocus gpu: i915 resolution: 1280x720~60Hz
API: OpenGL v: 4.6 Mesa 23.2.1-1ubuntu3.1 renderer: Mesa Intel HD
Graphics 4400 (HSW GT2) direct-render: Yes
Audio:
Device-1: Intel Haswell-ULT HD Audio vendor: Hewlett-Packard
driver: snd_hda_intel v: kernel bus-ID: 00:03.0
Device-2: Intel 8 Series HD Audio vendor: Hewlett-Packard 8
driver: snd_hda_intel v: kernel bus-ID: 00:1b.0
API: ALSA v: k6.5.0-21-generic status: kernel-api
Server-1: PipeWire v: 0.3.79 status: active
Network:
Device-1: Intel Ethernet I218-LM vendor: Hewlett-Packard driver: e1000e
v: kernel port: 3080 bus-ID: 00:19.0
IF: enp0s25 state: down mac: <filter>
Device-2: Intel Wireless 7260 driver: iwlwifi v: kernel bus-ID: 02:00.0
IF: wlo1 state: up mac: <filter>
IF-ID-1: docker0 state: down mac: <filter>
Bluetooth:
Device-1: Intel Bluetooth wireless interface driver: btusb v: 0.8 type: USB
bus-ID: 2-3.2:4
Report: hciconfig ID: hci0 rfk-id: 0 state: up address: <filter> bt-v: 4.0
lmp-v: 6
Drives:
Local Storage: total: 119.24 GiB used: 72.01 GiB (60.4%)
ID-1: /dev/sda vendor: Samsung model: MZ7PC128HAFU-000H1 size: 119.24 GiB
Partition:
ID-1: / size: 116.52 GiB used: 72.01 GiB (61.8%) fs: ext4 dev: /dev/sda4
Swap:
ID-1: swap-1 type: file size: 4 GiB used: 127.2 MiB (3.1%) file: /swap.img
Sensors:
System Temperatures: cpu: 47.0 C mobo: N/A
Fan Speeds (rpm): N/A
Info:
Processes: 268 Uptime: 2h 29m Memory: total: 8 GiB available: 7.65 GiB
used: 5.26 GiB (68.8%) Init: systemd target: graphical (5) Compilers:
gcc: 13.2.0 Packages: 2038 Shell: Bash v: 5.2.15 inxi: 3.3.29
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https://bugs.launchpad.net/bugs/1715749
Title:
Intermittent black screen on HP EliteBook 840 G1
Status in xorg package in Ubuntu:
Expired
Bug description:
Once every couple hours, the internal laptop display goes black for a
few seconds.
This was reproducible:
+ With the laptop connected to a port replicator and the external display
connected into the port replicator DP port via DP-DVI adapter. The external
display remains on during this time.
+ With the laptop not connected into a port replicator but connected to an
external display. The external display remains on during this time.
+ With the laptop not connected to either a port replicator or an external
display.
The hard disk was originally installed with Ubuntu MATE 14.10 in a HP
EliteBook 6930p, upgraded to 15.04, 15.10 and eventually 16.04 and
finally moved to the EliteBook 840 G1. The problem started immediately
after the drive move.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79
Uname: Linux 4.4.0-93-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CurrentDesktop: MATE
Date: Fri Sep 8 00:53:24 2017
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-12-09 (1002 days ago)
InstallationMedia: Ubuntu MATE 14.10 "Utopic Unicorn" - amd64 (20141023)
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
---
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: MATE
DistUpgraded: Fresh install
DistroCodename: xenial
DistroRelease: Ubuntu 16.04
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16]
(rev 0b) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Haswell-ULT Integrated Graphics
Controller [103c:198f]
InstallationDate: Installed on 2014-12-09 (1158 days ago)
InstallationMedia: Ubuntu MATE 14.10 "Utopic Unicorn" - amd64 (20141023)
MachineType: Hewlett-Packard HP EliteBook 840 G1
Package: xorg 1:7.7+13ubuntu3
PackageArchitecture: amd64
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-112-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-112.135-generic 4.4.98
Tags: xenial ubuntu
Uname: Linux 4.4.0-112-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 05/23/2016
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: L71 Ver. 01.37
dmi.board.name: 198F
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 15.59
dmi.chassis.asset.tag: CNU407CM0V
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvrL71Ver.01.37:bd05/23/2016:svnHewlett-Packard:pnHPEliteBook840G1:pvrA3009DD10203:rvnHewlett-Packard:rn198F:rvrKBCVersion15.59:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 840 G1
dmi.product.version: A3009DD10203
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.83-1~16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.4-0ubuntu1~16.04.4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.4-0ubuntu1~16.04.4
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
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