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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2024618
Title:
[Compaq Presario 420] In some boots, screen display is totally black
possible i915 issue
Status in linux package in Ubuntu:
Confirmed
Bug description:
Hi,
In some boots my laptop's graphic card(Intel Atom/Celeron/Pentium Processor
x5-E8000/J3xxx/N3xxx) only display a black screen, everything else seems to
work, the system is able to produce sounds. Its possible to make the display go
back to work after close and open the lid. After some tests and debug, it was
seen that the screen wasn't entirely black the brightness seems to be setted to
the minimum(almost impossible to see), and with a external monitor the
brightness level was checked in
`/sys/class/backlight/intel_backlight/actual_brightness` it was set to the
default value, so the problem can't be the backlight. I believe is a i915
driver problem.
it was tested the following kernel's params:
i915.enable_dpcd_backlight=3
i915.enable_dpcd_backlight=1
i915.enable_dpcd_backlight=0
i915.invert_brightness=1
i915.invert_brightness=-1
i915.modeset=0
i915.modeset=1
i915.register_backlight=1
Still no results.
Distributor ID: Ubuntu
Description: Ubuntu 23.04
Release: 23.04
Codename: lunar
xorg:
Installed: 1:7.7+23ubuntu2
Candidate: 1:7.7+23ubuntu2
Version table:
*** 1:7.7+23ubuntu2 500
500 http://br.archive.ubuntu.com/ubuntu lunar/main amd64 Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 6.2.0-23.23-generic 6.2.12
Uname: Linux 6.2.0-23-generic x86_64
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Wed Jun 21 16:03:20 2023
DistUpgraded: Fresh install
DistroCodename: lunar
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx
Integrated Graphics Controller [8086:22b1] (rev 21) (prog-if 00 [VGA
controller])
Subsystem: Intel Corporation Atom/Celeron/Pentium Processor
x5-E8000/J3xxx/N3xxx Integrated Graphics Controller [8086:22b1]
InstallationDate: Installed on 2023-06-21 (0 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0bda:b720 Realtek Semiconductor Corp. RTL8723BU
802.11b/g/n WLAN Adapter
Bus 001 Device 002: ID 0bda:5830 Realtek Semiconductor Corp. MTD camera
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Compaq 420
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.2.0-23-generic
root=UUID=774e3ecb-1e91-4c0e-8036-66b475c7f433 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
acpidump: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py']
failed with exit code 126: Error executing command as another user: Request
dismissed
dmi.bios.date: 09/27/2021
dmi.bios.release: 5.11
dmi.bios.version: V1.13.X
dmi.board.asset.tag: Default string
dmi.board.name: N14JP6-V2
dmi.board.vendor: Compaq
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 10
dmi.chassis.vendor: Compaq
dmi.chassis.version: Default string
dmi.ec.firmware.release: 1.0
dmi.modalias:
dmi:bvn:bvrV1.13.X:bd09/27/2021:br5.11:efr1.0:svnCompaq:pn420:pvrDefaultstring:rvnCompaq:rnN14JP6-V2:rvr:cvnCompaq:ct10:cvrDefaultstring:skuDefaultstring:
dmi.product.family: Presario
dmi.product.name: 420
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Compaq
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.114-1
version.libgl1-mesa-dri: libgl1-mesa-dri 23.0.2-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.7-1ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-3
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20210115-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.17-2build1
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