*** This bug is a duplicate of bug 1826125 ***
https://bugs.launchpad.net/bugs/1826125
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1826125, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.
** This bug has been marked a duplicate of bug 1826125
Dell XPS 13 9380 flickering (Whiskey Lake)
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https://bugs.launchpad.net/bugs/1827790
Title:
Dell XPS 13 9380 - Screen flashes
Status in xorg package in Ubuntu:
Confirmed
Bug description:
Hello,
I have a new 2019 Dell XPS 13 (9380). I ordered the official Ubuntu
edition from Dell which came with 18.04, but I've since wiped it and
installed 19.04 from a fresh ISO download. This is the non-touch non-
4K version (13-inch 1080p).
Every so often (maybe a couple of times per minute), the screen
flashes brighter, as if the brightness has been turned up momentarily
and then back down again.
I previously had an issue with the brightness / colours changing
slightly when I opened menus or if the screen content changed
slightly, but I fixed that by disabling Dynamic Brightness in the
BIOS. It is definitely a better experience with that turned off.
However the screen flashing still persists.
I booted a live image of Fedora 30 now that it has been released, and
so far I have not seen the screen flashing, so I do not think the
hardware is faulty.
I ran apport-bug, so hopefully the collected information has been
attached.
Thank you.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: xorg 1:7.7+19ubuntu12
ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
Uname: Linux 5.0.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun May 5 15:59:45 2019
DistUpgraded: Fresh install
DistroCodename: disco
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation UHD Graphics 620 (Whiskey Lake) [8086:3ea0] (prog-if 00
[VGA controller])
Subsystem: Dell UHD Graphics 620 (Whiskey Lake) [1028:08af]
InstallationDate: Installed on 2019-04-28 (6 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
MachineType: Dell Inc. XPS 13 9380
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-13-generic
root=UUID=fcb75d61-4e46-4391-8800-ccef7ff04f70 ro quiet splash vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/29/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.2
dmi.board.name: 0KTW76
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.3.2:bd03/29/2019:svnDellInc.:pnXPS139380:pvr:rvnDellInc.:rn0KTW76:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 13 9380
dmi.product.sku: 08AF
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.97-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.2-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.4-1ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20180925-2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
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