[Bug 2033295] Re: AMDGPU: Screen frequently and suddenly freezes. Hard reboot necessary. AMD Ryzen

Issue was gone for a while, but lately with Kernel upgrade to Linux
6.8.0-51-generic (6.8.0-51.52 running), system freezes every time after
waking up from Suspend mode (mouse cursor freezes, keyboard not active).
Sometimes the system also randomly freezes after reboot, with mouse
cursor active but not responsive to clicks on shortcuts or keyboard
inputs.

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Title:
AMDGPU: Screen frequently and suddenly freezes. Hard reboot necessary.
AMD Ryzen

Status in linux package in Ubuntu:
Confirmed

Bug description:
Frequently, when I just use the computer, the mouse cursor freezes,
the screen starts to flicker and freezes (screen flickers between
entirely black and desktop visible). No interaction possible. In most
cases Ctrl-Alt-Prnt-REISUB works to hard reboot the system.

Frequency: Freezes happen several times a day. Unsaved work is lost.

I noticed that:
* The freezes usually happen when an external display is connected (it does not matter whether USB-C or HDMI). The freezes rarely happen when no external display is connected.
* The freezes happen with Wayland and X11, with Ubuntu UI and Gnome Shell.
* The freezes happen randomly, but I have the feeling that they happen more often when "something graphical" happens, e.g. when I go to the Gnome Shell overview, desktop switching, or when I switch to/from full screen mode, click on an image to scale it, or when I use map services in the web browser like Google Maps or radio.garden.
* The freezes even more often happened when WebGL is active in Firefox or Chomium.
* I encounter these annoying freezes already for several weeks.

Having looked at the log files, I assume that AMDGPU is at the core of
the problem.

System:
Ubuntu 23.04 (up to date), Wayland (freezes also happen with X11), Gnome 44.3.
Linux 6.2.0-31-generic
Lenovo ThinkPad T14s Gen 1 (with most recent BIOS/UEFI 1.44), AMD Ryzen™ 7 PRO 4750U with Radeon™ Graphics × 16.
---
ProblemType: Bug
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: GNOME
DistroRelease: Ubuntu 23.04
InstallationDate: Installed on 2021-06-06 (813 days ago)
InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
MachineType: LENOVO 20UJS00K00
Package: linux (not installed)
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.2.0-31-generic root=UUID=9eae73b3-aab9-4f80-9203-01ac00f03c33 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 6.2.0-31.31-generic 6.2.15
RelatedPackageVersions:
linux-restricted-modules-6.2.0-31-generic N/A
linux-backports-modules-6.2.0-31-generic N/A
linux-firmware 20230323.gitbcdcfbcf-0ubuntu1.6
Tags: lunar wayland-session
Uname: Linux 6.2.0-31-generic x86_64
UpgradeStatus: Upgraded to lunar on 2023-05-11 (110 days ago)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 06/13/2023
dmi.bios.release: 1.44
dmi.bios.vendor: LENOVO
dmi.bios.version: R1CET75W(1.44 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20UJS00K00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.44
dmi.modalias: dmi:bvnLENOVO:bvrR1CET75W(1.44):bd06/13/2023:br1.44:efr1.44:svnLENOVO:pn20UJS00K00:pvrThinkPadT14sGen1:rvnLENOVO:rn20UJS00K00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20UJ_BU_Think_FM_ThinkPadT14sGen1:
dmi.product.family: ThinkPad T14s Gen 1
dmi.product.name: 20UJS00K00
dmi.product.sku: LENOVO_MT_20UJ_BU_Think_FM_ThinkPad T14s Gen 1
dmi.product.version: ThinkPad T14s Gen 1
dmi.sys.vendor: LENOVO

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