Tiffany, apologies for the delay on this. I have been on holidays.
Running the tests now.
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Title:
Dell XPS 13 9380 flickering (Whis
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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All basic tests passed. I attach Configuration shown by the checker. Let
me know if you need anything else.
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Title:
Dell XPS 13 9380
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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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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 u
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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Title:
Dell XPS 13 9380 flicke
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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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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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 syste
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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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 XPS
@agiani, are you using in PCLinuxOS any kernel options?
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Inco
Created attachment 144318
Timo rc5+ kernel dmesg
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Incomplete
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 i
Created attachment 144319
rc5+ kernel with enable_psr=0
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Inco
(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 i91
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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@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 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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** Package changed: ubuntu => linux (Ubuntu)
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Title:
Dell XPS 13 9380 flickering (Intel Kaby Lake)
Status in linux package in Ubun
apport information
** Tags added: apport-collected disco
** Description changed:
A brand new Dell XPS 13 9380 preinstalled with Ubuntu 18.04 flickers to
the point of being totally unusable.
I have upgraded since to 18.10 and 19.04 with no changes. I have tried
several combinations of
apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258510/+files/CurrentDmesg.txt
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** Attachment added: "IwConfig.txt"
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apport information
** Attachment added: "ProcInterrupts.txt"
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apport information
** Attachment added: "ProcCpuinfo.txt"
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** Attachment added: "ProcCpuinfoMinimal.txt"
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apport information
** Attachment added: "ProcEnviron.txt"
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apport information
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apport information
** Attachment added: "WifiSyslog.txt"
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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I will give it a try. Is this just a matter of adding the ppa and `apt-
get install drm-intel-nightly`?
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Title:
Dell XPS 13 9380 fli
Removed the i915 boot params : i915.fastboot=1 i915.enable_rc6=0
No changes.
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Title:
Dell XPS 13 9380 flickering (Intel Kaby Lake)
Thanks Kai. Unfortunately it's still not ok. Interestingly now there is
no flickering per-se. What I see is display corruption and flickering
when refresh occurs - for example by moving the mouse or typing
something.
Is there anything else I can try at this point? Or any further
information I can
Sure. Results are attached next.
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Title:
Dell XPS 13 9380 flickering (Intel Kaby Lake)
Status in linux package in Ubuntu:
Confir
** Attachment added: "dmesg with drm.debug=0xe"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826125/+attachment/5258722/+files/out.dmesg
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** Attachment added: "with i915.enable_psr=0"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826125/+attachment/5258944/+files/enable_psr0.dmesg
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I have upgraded the BIOS to 1.2.1 but not changed its settings. Could it
be that there's something there that I could try?
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Title:
D
Unfortunately not. It actually makes the flickering more like in the
pre-5 kernel where it flickers constantly as opposed to only when the
move is moved. Posting new dmesg with i915.enable_psr=0 in case its
useful.
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Hummm, I have almost zero experience with windows. Is there a windows
version that I can install for free - windows 10 maybe?
Also, if the machine is faulty wouldn't it flicker during BIOS setup as
well?
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Timo, opened upstream as suggested:
https://bugs.freedesktop.org/show_bug.cgi?id=110511
** Bug watch added: freedesktop.org Bugzilla #110511
https://bugs.freedesktop.org/show_bug.cgi?id=110511
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Timo, it seems I can install windows 10 on a usb flash for installation. Will
try that.
Ref:
https://www.howtogeek.com/244678/you-dont-need-a-product-key-to-install-and-use-windows-10/
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I am however betting this is not a hw bug due to the way the flickering changed
with the kernel upgrade. Compare the first video posted in this report and now:
https://photos.app.goo.gl/tpmTGWVJXpChoERz6
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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 Linu
I can confirm that the kernel with the reverted commit works. Apologies
for the delay.
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Title:
Dell XPS 13 9380 flickering (Whiskey
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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Ti
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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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
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 (Whi
Depends on which kernel we are talking about here.
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
Status in Linux:
Incomplet
(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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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 t
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 ever
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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https:
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 (Whiske
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 flickeri
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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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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To test this, is there an sd card image of ubuntu for pi4 I can flash?
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Title:
USB not working under arm64 on Pi4
Status in
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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h
Same as
https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1848790/comments/28
https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1848790/comments/29
It's working. Thanks.
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