*** This bug is a duplicate of bug 1925685 ***
https://bugs.launchpad.net/bugs/1925685
** This bug has been marked a duplicate of bug 1925685
[SRU] Patch for flicker and glitching on certain hardware, intel framebuffer,
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** Changed in: linux
Status: New => Fix Released
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Fix
** Tags removed: disco
** Tags added: focal
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
New
Status in
I use the same laptop also preinstalled with ubuntu. Not to be an
asshole. But i expected a preinstalled system to just work. Regressions
like this are very unacceptable and it points to very bad quality
management. I switched to linux 15 years ago because its stability. But
nowadays it seems to
My bad - I just noticed the discussion has moved upstream. Sorry for the noise
here. Continuing discussion here:
https://gitlab.freedesktop.org/drm/intel/-/issues/272
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So this is not fixed yet with kernel 5.4.0-37 on ubuntu 20.04.
I have only been using this machine through ssh since it's unusable otherwise.
@Timo, should I go upstream with this or is this something you guys can
help with? I never quite understood if the patch we used for the drm
last year
** Changed in: linux
Status: Unknown => New
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
New
** Changed in: linux
Importance: Critical => Unknown
** Changed in: linux
Remote watch: freedesktop.org Bugzilla #110511 =>
gitlab.freedesktop.org/drm/intel/issues #272
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As mentioned in freedesktop's gitlab, this issue re-occurred after the
upgrade to 20.04
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Title:
Dell XPS 13 9380 flickering
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Timo Aaltonen (tjaalton)
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Title:
Dell XPS 13 9380 flickering (Whiskey
** Changed in: linux
Status: In Progress => Unknown
** Bug watch added: gitlab.freedesktop.org/drm/intel/issues #272
https://gitlab.freedesktop.org/drm/intel/issues/272
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Correction, I just got a flicker, don't know why exactly what is
triggering it, but it's not often.
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Title:
Dell XPS 13 9380
I saw a flickering maybe once.. with the new kernel, but I can confirm
it's not happening often.
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Dell XPS 13 9380
OK, let me add I haven't seen this flickering anymore. It might have
been just an artifact of something. I would say this is fixed unless
someone else sees any other issue.
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Oh no! I just noticed some flickering in the monitor during work. Is
there a way to understand what could be going on?
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Title:
Dell
This by the way, was literally just a couple of flickers for no apparent
reason during an hours work under this kernel.
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Title:
I can confirm this is working on Ubuntu 19.10.
Are we going to see the fix upstream at some point?
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Title:
Dell XPS 13 9380
I've built a kernel here based on 5.3 plus the patch:
https://aaltoset.kapsi.fi/lp1826125
and it was tested on the LP bug and found to be working
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thanks for testing! it doesn't really matter which userspace you're on,
this is purely a kernel bug
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Title:
Dell XPS 13 9380
So with the kernel from: https://aaltoset.kapsi.fi/lp1826125 everything
seems to work fine. However I am still on 19.04
Linux victor-XPS-13-9380 5.3.0-19-generic #20+lp1826125 SMP Wed Oct 23
14:56:56 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
I'll get back to you, once I upgrade to 19.10 and
Paulo/Victor: please test the kernel here
https://aaltoset.kapsi.fi/lp1826125
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
no need to rebase anything, just cherry-pick the patch on top of 5.3..
I've applied it on top of the eoan kernel and built it:
https://aaltoset.kapsi.fi/lp1826125
please test
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I am back to a working monitor after installing
https://people.canonical.com/~khfeng/bfo110511/
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Title:
Dell XPS 13 9380 flickering
Updated only launchpad:
Just updated my ubuntu to 19.10 with kernel 5.3.0-19-generic and the
problem is still here - so not fixed upstream. Will attempt to recompile
this kernel using branch from
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826125/comments/91
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Attempting to rebase
git://github.com/vsyrjala/linux.git dp_retry_max_vs_optim
onto v5.3 upstream seems to be a world of pain. :)
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Just updated my ubuntu to 19.10 with kernel 5.3.0-19-generic and the
problem is still here - so not fixed upstream. Will attempt to recompile
this kernel using branch from
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826125/comments/91
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The fix is nowhere yet. And judging from the ubuntu bug it may not even
work :(
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Created attachment 145270
attachment-3420-0.html
It depends if the fix in the kernel I tested is upstream, I guess. Kai?
On 5 September 2019 19:58:19 CEST, bugzilla-dae...@freedesktop.org wrote:
>https://bugs.freedesktop.org/show_bug.cgi?id=110511
>
>--- Comment #30 from Lakshmi ---
>(In reply
(In reply to Paulo J. Matos from comment #29)
> (In reply to Kai-Heng Feng from comment #25)
> > Timo isn't around, please test this kernel:
> > https://people.canonical.com/~khfeng/bfo110511/
>
> This kernel works.
Can we close this bug?
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Status: Incomplete => In Progress
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Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
(In reply to Kai-Heng Feng from comment #25)
> Timo isn't around, please test this kernel:
> https://people.canonical.com/~khfeng/bfo110511/
This kernel works.
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Depends on which kernel we are talking about here.
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
I will take a look a this later. Apologies but I am on and off summer
holidays these days.
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Title:
Dell XPS 13 9380 flickering
(In reply to Paulo J. Matos from comment #26)
> I will take a look a this later. Apologies but I am on and off summer
> holidays these days.
Paulo, is this issue still reproducible? any updates here?
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According to
https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1827790/comments/19
This issue is fixed by "dp_retry_max_vs_optim" branch.
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Timo isn't around, please test this kernel:
https://people.canonical.com/~khfeng/bfo110511/
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Title:
Dell XPS 13 9380 flickering
Hi guys,
I confirm the patch Ville-syrjala-e created works well.
My setup is a DELL XPS 13 9380 with Xubuntu 19.04.
It was working well for a couple of weeks and then this morning when
I've powered on is started flickering.
This is really weird because I didn't upgrade or changed anything.
** Tags added: ubuntu-certified
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Incomplete
Status in linux
Many thanks, you are right, I'll post there!
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Title:
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Status in Linux:
Incomplete
Hi Thomas, that sounds very similar to what we are seeing over in bug
1827790.
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Hello, I would like to note that I think that I also have something
related to this bug - although with the normal 1920x1024 panel (on XPS
13 9380) with a fresh Ubuntu 19.04 install (so kernel 5+) - I did not
test the OEM Ubuntu 18.04 LTS.
The screen "flickers" from time to time (perhaps linked
** Changed in: linux
Status: Confirmed => Incomplete
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Created attachment 144765
[PATCH] drm/i915: Try to use fast+narrow link on eDP again and fall back to
the old max strategy on failure
Here's an attempt at fixing this without horribly breaking a bunch of
other eDP panels. Would appreciate if people can test this.
Also available here in git
Hi all,
I have been following this bug report for a while - I just wanted to
check in on status. Will the fix be rolled out now that Paulo has
confirmed the working kernel version?
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Status: Incomplete => Confirmed
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
I can confirm that the kernel with the reverted commit works. Apologies
for the delay.
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Title:
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Apologies, I dropped the ball on this one. I will do that today.
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in
Paulo, please test kernel build -10
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Incomplete
Status in
kernel -10 with the revert availabe behind the same url
but reverting it would reopen 109959
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Dell XPS 13 9380 flickering
Can we get a test with just 'git revert f11cb1c19ad0' ?
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Title:
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Status in Linux:
** Changed in: linux
Status: In Progress => Incomplete
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** Changed in: linux
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
I can confirm that with Timo's kernel, with Ville's patch it all works smoothly.
Great job guys! Thanks so much for the support. I will keep using this kernel
until upstream is fixed. Can you please update this bug once a proper fix hits
upstream?
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new kernel build with the hack in
http://aaltoset.kapsi.fi/xps13-flicker/
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Ok @Paulo,
unfortunately I do not speak English
and I do not understand it well
I am also not a linux expert.
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Title:
Dell XPS 13
@agiani ville explained it in #72, #73 and #74.
I haven't managed to try the patch Ville provided as I need to do a full kernel
build and haven't had the time to look into it yet.
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I attach dmesg output after updating the kernel to 5.1.4
** Attachment added: "dmesg_5.1.4.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826125/+attachment/5266024/+files/dmesg_5.1.4.txt
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@Timo,
you're right, with 5.1.4 it doesn't work.
Can't understand what's different in 5.0.2 that makes it work?
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Title:
Dell XPS 13
@Timo,
I can try to install the 5.1.4 version present in the PclinuxOS repositories
and see what happens!
Why do you think that with versions later than 5.0.2 it doesn't work?
Why does it work properly with version 5.0.2?
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Do you have a kernel update for pclinuxos with 5.0.8 or newer? I bet
that's broken, as speculated on the fdo bug.
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Title:
Dell XPS
@Paulo
I use PcLinuxOS without kernel options, you can try starting PcLinuxOS live USB
to see that it works without any parameters.
I attach dmesg PCLinuxOS output.
** Attachment added: "dmesg.txt"
In
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826125/comments/53
it is mentioned that the same laptop with PCLinuxOS with 5.0.2 doesn't
flicker. Is it worth it getting some data from there perhaps?
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(In reply to Paulo J. Matos from comment #11)
> Created attachment 144319 [details]
> rc5+ kernel with enable_psr=0
The log was cut off so couldn't see that PSR was in fact disabled. You
can fix that by passing eg. log_buf_len=2M to the kernel cmdline.
Anyways, after a second glance at the logs
Hmm, yes 4.32 is what the BIOS uses, so this might even help:
[1.391106] [drm:intel_dump_pipe_config [i915]] port clock: 432000, pipe src
size: 3840x2160, pixel rate 533299
Hmm. That probably means this is a victim of commit f11cb1c19ad0
("drm/i915/dp: revert back to max link rate and lane
Timo, I have attached the dmesg with rc5+ kernel you asked me to test.
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status
Created attachment 144325
[PATCH] hack: Disable 5.4ghz link rate for skl
This should drop the link rate to 4.32ghz, which is the lowest we can go
with this panel. Please test.
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Created attachment 144319
rc5+ kernel with enable_psr=0
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
(In reply to Ville Syrjala from comment #9)
> [4.550517] [drm:intel_dp_hpd_pulse [i915]] ESI: 41 00 00 00 00 00 00 00
> 00 00 00 00 81 01
>
> According to that the sink thinks everything is fine, so no idea why
> generates short hpds.
>
> Could be some kind of PSR fail. Please try passing
[4.550517] [drm:intel_dp_hpd_pulse [i915]] ESI: 41 00 00 00 00 00 00
00 00 00 00 00 81 01
According to that the sink thinks everything is fine, so no idea why
generates short hpds.
Could be some kind of PSR fail. Please try passing i915.enable_psr=0 to
the kernel cmdline.
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Created attachment 144318
Timo rc5+ kernel dmesg
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Incomplete
@agiani, are you using in PCLinuxOS any kernel options?
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Status in Linux:
Timo, forget about the kernel issue. I managed to get it to work. ESC
helped.
Let me reply in the proper thread...
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Title:
Dell
it's not bricked, you should be able to get the grub menu by hitting esc
and which kernel are we talking about?
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Dell XPS
Thanks Kai. I might have to do this through a ubuntu live installation
in a flash since my system is bricked. I am travelling at the moment
until Sunday so I might not be able to get to it until then. My
apologies for the slow response on this.
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Please change "GRUB_TIMEOUT=0" in /etc/default/grub to a positive
number, like "GRUB_TIMEOUT=2".
Then run `sudo update-grub`.
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Hi,
is it possible to try the new kernel with the fix via ubuntu live usb
persistent?
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Title:
Dell XPS 13 9380 flickering
I just attempted to boot this kernel but it literally bricks my system.
As soon as it tries to boot, the system restarts. Problem is that grub
UEFI doesn't give me a choice of kernel to boot, therefore I have no
idea how to proceed as the system keeps trying to boot a kernel that
restarts the
** Changed in: linux
Status: Confirmed => Incomplete
** Changed in: linux
Importance: Medium => Critical
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thanks Ville, here's a kernel deb based on drm-intel-next-
fixes-2019-05-15 plus this patch
http://aaltoset.kapsi.fi/xps13-flicker/
Paulo, please install, boot with drm.debug=14 and attach dmesg
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Created attachment 144287
[PATCH] drm/i915: Dump the full ESI register block on short pulse
This patch might help us figure out what the sink is trying to tell us.
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hard to tell, but I know that changes in 5.0.6 (which the ubuntu kernel
in 19.04 basically has) likely did not regress this way
but you are free to test a mainline build of 5.0.2
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.0.2/
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Interesting because it flickers with ubuntu and kernel 5.1.0 which is
more recent than 5.0.2. I am not an expert here, Timo, Kai, Tiffany, any
ideas of what PCLinuxOS might have to fix this?
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Sorry form my English :-D
Yes, I have the Dell with the 4k display.
I have try all linux distribution (Fedora, Suse, Mint, Sabayon, ecc.) and all
flickering!
PclinuxOS does not flickering.
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Interesting. @agiani, do you have the Dell with the 4K display?
>From your post I assume you tested ubuntu, saw the flickering and then
>reinstalled PCLinuxOS, which with 5.0.2 does not show flickering. Is this
>correct?
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Hello,
I have the same flickering problem, but I don't have it with PCLinuxOS running
kernel 5.0.2:
Linux localhost.localdomain 5.0.2-pclos1 #1 SMP Wed Mar 13 20:05:56 CDT
2019 x86_64 x86_64 x86_64 GNU/Linux
Hope it helps.
Regards.
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Ping? With 5.0 and up PSR seems to be messing with the results, but
disabling it doesn't fix the original issue.
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Dell XPS
If I can help at all sorting this one out let me know. logs, ssh access
to the machine, you name it.
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Dell XPS 13 9380
Would you mind testing an older oem kernel from bionic? Install 'linux-
image-4.15.0-1034-oem' and remember to select it from the boot menu.
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What do you mean by hardware dispatches?
I contacted dell support. They were utterly useless as soon as I told them I am
using the pre-installed ubuntu system. They have close to zero-knowledge when
something comes up Linux related. They basically keep forwarding me to the dell
drivers page to
"nomodeset" is just a way to check if the panel is intact. It disables
Intel graphics driver, so you'll lose all graphics acceleration by doing
that.
It'll also drastically increase the power consumption of your laptop.
Let's wait for Intel graphics maintainer's reply.
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@Paulo Matos,
We contacted the manufacturer and got some feedback this might be
hardware dispatches.
Please consider reaching your local Dell support.
Thank you.
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Kai, `nomodeset` works!!! huh, what happened? It boots and all looks good.
If I use it on a daily basis, which side-effects will it have?
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** Attachment added: "Page 2"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826125/+attachment/5262285/+files/20190508_100138.jpg
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Can you try "nomodeset" kernel parameter?
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https://bugs.launchpad.net/bugs/1826125
Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Confirmed
Status
All basic tests passed. I attach Configuration shown by the checker. Let
me know if you need anything else.
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https://bugs.launchpad.net/bugs/1826125
Title:
Dell XPS 13
I should point out that I discussed with some other owners of this same
laptop and they are not seeing the same issue with a normal FullHD
display. It seems to be related to the new 4K display shipped with this
laptop.
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Tiffany, apologies for the delay on this. I have been on holidays.
Running the tests now.
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https://bugs.launchpad.net/bugs/1826125
Title:
Dell XPS 13 9380 flickering
Hi Paulo Matos,
Could you please help go through Dell Diagnostics tool by pressing F12
when booting.
We need hardware information & test result to triage and troubleshoot.
Thank you.
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