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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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)
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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 Lake)
To
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 13 9380
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)
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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)
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(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
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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Created attachment 144318
Timo rc5+ kernel dmesg
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Title:
Dell XPS 13 9380 flickering (Whiskey Lake)
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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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@agiani, are you using in PCLinuxOS any kernel options?
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Dell XPS 13 9380 flickering (Whiskey Lake)
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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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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
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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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 flickering
Tiffany, apologies for the delay on this. I have been on holidays.
Running the tests now.
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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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All basic tests passed. I attach Configuration shown by the checker. Let
me know if you need anything else.
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** Attachment added: "Page 1"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1826125/+attachment/5262284/+files/20190508_100112.jpg
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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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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
** 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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Sure. Results are attached next.
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Title:
Dell XPS 13 9380 flickering (Intel Kaby Lake)
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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:
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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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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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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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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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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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Public bug reported:
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 the i915 parameters fastboot, enable_rc6 and
enable_fbc to no avail.
Public bug reported:
https://help.ubuntu.com/community/ReportingBugs
reports that
```
If this is to be added to an existing bug report, also use the -u option:
ubuntu-bug -c FILENAME.apport -u BUGNUMBER
Please do not attach the .apport or .crash file to the report, as this is not
the same
Having problems posting apport data due to:
```
$ ubuntu-bug -c cartsheel.apport -u 1826125
Usage: ubuntu-bug [options] [symptom|pid|package|program path|.apport/.crash
file]
ubuntu-bug: error: -u/--update-bug option cannot be used together with options
for a new report
```
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** Package changed: ubuntu => linux (Ubuntu)
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Title:
Dell XPS 13 9380 flickering (Intel Kaby Lake)
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258516/+files/ProcEnviron.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258519/+files/RfKill.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258509/+files/CRDA.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258518/+files/ProcModules.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258511/+files/IwConfig.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258517/+files/ProcInterrupts.txt
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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: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258513/+files/Lsusb.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258520/+files/UdevDb.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258514/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258515/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258521/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258512/+files/Lspci.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1826125/+attachment/5258510/+files/CurrentDmesg.txt
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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 flickering
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)
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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
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