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On 2018-09-27T07:36:16+00:00 Shun Terabayashi wrote:
Created attachment 141757
full dmesg
Kernel is 4.18.8, 4.18.9(Arch), mainline(AUR), and drm/drm-intel(https://github.com/shunonymous/aur-linux-drm-intel-git).
My laptop displays nothing in builtin monitor when launching Wayland compositor.(weston, mutter)
It displays by connecting or disconnecting external monitor (by HDMI) (mutter. weston doesn't work).
startx works without any problem.
I tried to revert
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=399334708b4f07b107094e5db4a390f0f25d2d4f
on mainline, this symptom was disappeared.
Machine: Razer Blade Stealth (2016 Later, UHD Model, w/o any eGPU)
External Display: LG 27UD88-W (3840x2160) connected with HDMI
OS: Arch Linux
Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797881/comments/0
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On 2018-10-02T05:58:02+00:00 Lakshminarayana-vudum wrote:
Shun, Can you apply following path and test if the issue is still existing?
(https://bugs.freedesktop.org/attachment.cgi?id=141229).
If the issue persists, send dmesg from boot with kernel parameters
drm.debug=0x1e log_buf_len=4M. This way we know more information about
the bug.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797881/comments/1
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On 2018-10-02T16:30:23+00:00 Shun Terabayashi wrote:
I re-tested on latest drm/drm-intel (without patch), this issue is not
exist.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797881/comments/2
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On 2018-10-03T07:12:12+00:00 Lakshminarayana-vudum wrote:
Thankyou for your feedback. I will resolve this bug as worksforme.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797881/comments/3
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On 2018-10-20T19:35:42+00:00 Karolherbst-g wrote:
this is actually an issue on the 4.18.8 and newer.
Those commits need to be applied to 4.18 to fix this regression:
9ebd8202393dde9d3678c9ec162c1aa63ba17eac
f24f6eb95807bca0dbd8dc5b2f3a4099000f4472
regression was caused by
399334708b4f07b107094e5db4a390f0f25d2d4f
Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797881/comments/14
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On 2018-10-20T19:37:42+00:00 Karolherbst-g wrote:
I think the same applies for the upcoming 4.19 as well.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797881/comments/15
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On 2018-10-23T11:28:57+00:00 Jani-nikula wrote:
(In reply to Karol Herbst from comment #4)
> this is actually an issue on the 4.18.8 and newer.
>
> Those commits need to be applied to 4.18 to fix this regression:
>
> 9ebd8202393dde9d3678c9ec162c1aa63ba17eac
commit 9ebd8202393dde9d3678c9ec162c1aa63ba17eac
Author: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Date: Thu Sep 27 13:57:30 2018 -0700
drm/i915/dp: Fix link retraining comment in intel_dp_long_pulse()
> f24f6eb95807bca0dbd8dc5b2f3a4099000f4472
commit f24f6eb95807bca0dbd8dc5b2f3a4099000f4472
Author: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Date: Thu Sep 27 13:57:31 2018 -0700
drm/i915/dp: Restrict link retrain workaround to external monitors
> regression was caused by
>
> 399334708b4f07b107094e5db4a390f0f25d2d4f
commit 399334708b4f07b107094e5db4a390f0f25d2d4f
Author: Jan-Marek Glogowski <glogow@fbihome.de>
Date: Sat Aug 25 15:10:35 2018 -0400
drm/i915: Re-apply "Perform link quality check, unconditionally
during long pulse"
Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797881/comments/16
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On 2018-11-02T09:31:48+00:00 Jani-nikula wrote:
The commits are headed upstream and tagged with appropriate tags to be
backported to stable kernels. Please let us know if the fixes don't show
up in v4.18 in a few weeks.
Thanks for the report, closing.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797881/comments/17
** Changed in: linux
Status: Unknown => Fix Released
** Changed in: linux
Importance: Unknown => Medium
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https://bugs.launchpad.net/bugs/1797881
Title:
Display goes blank soon after boot on dell xps13 on linux-
image-4.18.0-10-generic
Status in Linux:
Fix Released
Status in linux package in Ubuntu:
Confirmed
Bug description:
Display goes blank soon after boot on dell xps13 with linux-
image-4.18.0-10-generic.
linux-image-4.18.0-7-generic working fine.
dmesg outputs:
[drm:intel_dp_start_link_train [i915]] *ERROR* [CONNECTOR:71:eDP-1] Link Training failed at link rate = 540000, lane count = 4
probably related to https://patchwork.kernel.org/patch/10633295/
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-10-generic 4.18.0-10.11
ProcVersionSignature: Ubuntu 4.18.0-7.8-generic 4.18.5
Uname: Linux 4.18.0-7-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: baz 2265 F.... pulseaudio
CurrentDesktop: XFCE
Date: Mon Oct 15 14:25:35 2018
EcryptfsInUse: Yes
HibernationDevice: RESUME=/dev/mapper/cryptswap1
InstallationDate: Installed on 2018-03-01 (227 days ago)
InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180301)
MachineType: Dell Inc. XPS 13 9360
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-7-generic root=/dev/mapper/system-root ro quiet splash crashkernel=384M-:128M vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.18.0-7-generic N/A
linux-backports-modules-4.18.0-7-generic N/A
linux-firmware 1.175
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/09/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.9.0
dmi.board.name: 02PG84
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd07/09/2018:svnDellInc.:pnXPS139360:pvr:rvnDellInc.:rn02PG84:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 13 9360
dmi.product.sku: 082A
dmi.sys.vendor: Dell Inc.
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