Proposed fix is to update amdgpu/dcn_3_1_4_dmcub.bin from latest
upstream HEAD commit 25750add9b77 ("amdgpu: DMCUB updates for various
ASICs"), which has been in linux-firmware version
20250606.git3b75d677-0ubuntu1.
** Description changed:
- TBD.
+ [Summary]
+
+ When running glxgears -fullscreen, there is noise on the screen.
+
+ [Steps to reproduce]
+
+ 1. Boot into OS
+
+ 2. glxgears -fullscreen
+
+ [Expected result]
+
+ When running glxgears -fullscreen, there is no noise on the screen.
+
+ [Actual result]
+
+ When running glxgears -fullscreen, there is noise on the screen.
+
+ [Failure rate]
+
+ 3/3 units.
+
+ [Additional information]
+
+ Issue can only be reproduced on QHD panel.
+
+ SKU: Sentry MLK KRK R7
+ Image: somerville-noble-oem-24.04b-20250411-108.iso
+ bios-version: 0.4.6
+ CPU: AMD Ryzen AI 7 350 w/ Radeon 860M
+ GPU: 03:00.0 Display controller [0380]: Advanced Micro Devices, Inc.
[AMD/ATI] Device [1002:1114] (rev c2)
+
+ kernel-version: 6.11.0-1018-oem
** Also affects: linux-firmware (Ubuntu Oracular)
Importance: Undecided
Status: New
** Also affects: linux-firmware (Ubuntu Plucky)
Importance: Undecided
Status: New
** Also affects: linux-firmware (Ubuntu Questing)
Importance: Undecided
Status: New
** Also affects: linux-firmware (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: linux-firmware (Ubuntu Questing)
Status: New => Fix Released
** Changed in: linux-firmware (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-firmware (Ubuntu Oracular)
Status: New => In Progress
** Changed in: linux-firmware (Ubuntu Plucky)
Status: New => In Progress
** Changed in: linux-firmware (Ubuntu Noble)
Importance: Undecided => High
** Changed in: linux-firmware (Ubuntu Oracular)
Importance: Undecided => High
** Changed in: linux-firmware (Ubuntu Plucky)
Importance: Undecided => High
** Changed in: linux-firmware (Ubuntu Oracular)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Changed in: linux-firmware (Ubuntu Plucky)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Changed in: linux-firmware (Ubuntu Noble)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
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https://bugs.launchpad.net/bugs/2114157
Title:
glxgears -fullscreen has noises on the gear edges on AMD Krackan Point
platforms with QHD panel
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