[Bug 1813701] Re: [amdgpu] Flickering graphics corruption in kernel 4.18.0-13.14-generic 4.18.17 (but none observed in kernel 4.18.0-10)

Sounds like we _could_ make this a duplicate of bug 1802976. But I
wouldn't just yet...

If you are sure that reverting to an older kernel like 4.18.0-10 fixes
the problem then we should focus on that here.

Can you please find the *latest* older kernel version that fixes the
problem from this list?

https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D

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Title:
[amdgpu] Flickering graphics corruption in kernel 4.18.0-13.14-generic
4.18.17 (but none observed in kernel 4.18.0-10)

Status in linux package in Ubuntu:
Incomplete
Status in xserver-xorg-video-amdgpu package in Ubuntu:
Incomplete

Bug description:
The screen always flickers at a frequency of 75 GHz on the AMD RX 580 gpu. At 60 and 50 GHz, if you switch to any other than 75, the flickering will disappear until the display turns off. After switching on, flicker returns. At the core of 4.18.0-10, just like on the AMD Radeon HD7970 gpu, the problem is not visible. More in the video
https://www.youtube.com/watch?v=d_LXHqWKTbk

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: xorg 1:7.7+19ubuntu8
ProcVersionSignature: Ubuntu 4.18.0-13.14-generic 4.18.17
Uname: Linux 4.18.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
BootLog: Error: [Errno 13] Отказано в доступе: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue Jan 29 13:13:19 2019
DistUpgraded: Fresh install
DistroCodename: cosmic
DistroVariant: ubuntu
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X] [1002:67df] (rev e7) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Ellesmere [Radeon RX 470/480/570/570X/580/580X] [1043:0519]
InstallationDate: Installed on 2019-01-22 (6 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
MachineType: MSI MS-7693
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=ru_RU.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-13-generic root=UUID=ad22bc6d-c4e8-4393-a30b-6c247159b9dd ro quiet splash vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/08/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V10.6
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: 970A-G43 (MS-7693)
dmi.board.vendor: MSI
dmi.board.version: 3.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 3.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV10.6:bd01/08/2016:svnMSI:pnMS-7693:pvr3.0:rvnMSI:rn970A-G43(MS-7693):rvr3.0:cvnMSI:ct3:cvr3.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7693
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 3.0
dmi.sys.vendor: MSI
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.97+git1901221830.b7a7a9~oibaf~c
version.libgl1-mesa-dri: libgl1-mesa-dri 19.0~git1901280730.d1d2bb~oibaf~c
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3

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