Public bug reported:
The display on this Dell Latitude 5285 with detachable keyboard flickers
when an external monitor is connected.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.8.0-7625.26~1603389471~20.04~f6b125f-generic
5.8.14
Uname: Linux 5.8.0-7625-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read
kernel buffer failed: Operation not permitted
Date: Tue Nov 3 18:38:42 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA
controller])
Subsystem: Dell HD Graphics 620 [1028:07a4]
InstallationDate: Installed on 2020-07-01 (125 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 022: ID 044e:1218 Alps Electric Co., Ltd Alps Touchpad
Bus 001 Device 004: ID 0a5c:5834 Broadcom Corp. 5880
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. Latitude 5285
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-7625-generic
root=UUID=f22e0756-4530-44bf-8da3-d0ed47ef183a ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/24/2020
dmi.bios.release: 1.10
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.10.1
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 32
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.10.1:bd07/24/2020:br1.10:svnDellInc.:pnLatitude5285:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct32:cvr:
dmi.product.family: Latitude
dmi.product.name: Latitude 5285
dmi.product.sku: 07A4
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal third-party-packages ubuntu
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1902810
Title:
Video Flicker
Status in xorg package in Ubuntu:
New
Bug description:
The display on this Dell Latitude 5285 with detachable keyboard
flickers when an external monitor is connected.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.8.0-7625.26~1603389471~20.04~f6b125f-generic
5.8.14
Uname: Linux 5.8.0-7625-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read
kernel buffer failed: Operation not permitted
Date: Tue Nov 3 18:38:42 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA
controller])
Subsystem: Dell HD Graphics 620 [1028:07a4]
InstallationDate: Installed on 2020-07-01 (125 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 022: ID 044e:1218 Alps Electric Co., Ltd Alps Touchpad
Bus 001 Device 004: ID 0a5c:5834 Broadcom Corp. 5880
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. Latitude 5285
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-7625-generic
root=UUID=f22e0756-4530-44bf-8da3-d0ed47ef183a ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/24/2020
dmi.bios.release: 1.10
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.10.1
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 32
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.10.1:bd07/24/2020:br1.10:svnDellInc.:pnLatitude5285:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct32:cvr:
dmi.product.family: Latitude
dmi.product.name: Latitude 5285
dmi.product.sku: 07A4
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
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