Public bug reported:
Upon upgrade of linux-firmware package to version
20240318.git3b128b60-0ubuntu2.29, half-screen (right half) appeared corrupted
(all red or stripes) at login page. After login, at first mouse interaction,
all screen become black.
Loading with nomodeset is a temporary fix.
==== Technical Stuff =====
----- AMD GPU:
lspci -nnk | grep -i vga -A3
07:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Navi 21 [Radeon RX 6900 XT] [1002:73af] (rev c0)
Subsystem: Micro-Star International Co., Ltd. [MSI] Navi 21 [Radeon RX
6900 XT] [1462:3955]
Kernel driver in use: amdgpu
Kernel modules: amdgpu
----- Ubuntu Release
lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04.4 LTS
Release: 24.04
----- Package Version (DOWNGRADED to be able to use pc)
apt-cache policy linux-firmware
linux-firmware:
Installed: 20240318.git3b128b60-0ubuntu2.26
Candidate: 20240318.git3b128b60-0ubuntu2.29
Version table:
20240318.git3b128b60-0ubuntu2.29 500
500 http://it.archive.ubuntu.com/ubuntu noble-updates/main amd64
Packages
*** 20240318.git3b128b60-0ubuntu2.26 500
500 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-firmware 20240318.git3b128b60-0ubuntu2.26
ProcVersionSignature: Ubuntu 7.0.0-28.28~24.04.1-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
ApportVersion: 2.28.3-0ubuntu0.1
Architecture: amd64
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Aug 13 12:34:03 2026
Dependencies: firmware-sof-signed 2023.12.1-1ubuntu1.11
InstallationDate: Installed on 2025-10-14 (303 days ago)
InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64
(20250805.1)
MachineType: Gigabyte Technology Co., Ltd. B550 AORUS ELITE
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-28-generic
root=UUID=2b46cf07-4f0a-4a68-bbce-0220cc8968a0 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-7.0.0-28-generic N/A
linux-backports-modules-7.0.0-28-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.26
RfKill:
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/27/2022
dmi.bios.release: 5.17
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: F15d
dmi.board.asset.tag: Default string
dmi.board.name: B550 AORUS ELITE
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrF15d:bd07/27/2022:br5.17:svnGigabyteTechnologyCo.,Ltd.:pnB550AORUSELITE:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB550AORUSELITE:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:pfaB550MB:
dmi.product.family: B550 MB
dmi.product.name: B550 AORUS ELITE
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2163396
Title:
Updating linux-firmware causes screen splitting/half-screen corruption
on AMD GPU. Holding/downgrading to package
20240318.git3b128b60-0ubuntu2.26 fixes the issue.
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