I have similar issue and are also running Linux Mint 22.3 with kernel
7.0.0-31.
Have two MSI monitors connected on a Radeon 9700XT.
OS: Linux Mint 22.3 - Cinnamon 64-bit
GPU: Gigabyte Radeon RX 9070 XT
Displays: 2x MAG 32CQ6F via displayport
Motherboard: Gigabyte B650 GAMING X AX V2
BIOS: Latest available for the board.
CPU: AMD Ryzen 7 7800X3D 8-Core Processor × 8
inxi -GSMxx:
System:
Host: MyPC Kernel: 7.0.0-31-generic arch: x86_64 bits: 64 compiler: gcc
v: 13.3.0
Desktop: Cinnamon v: 6.6.9 tk: GTK v: 3.24.41 wm: Blackbox dm: LightDM
Distro: Linux Mint 22.3 Zena base: Ubuntu 24.04 noble
Machine:
Type: Desktop Mobo: Gigabyte model: B650 GAMING X AX V2 v: x.x
serial: <superuser required> UEFI: American Megatrends LLC. v: F42c
date: 07/21/2026
Graphics:
Device-1: AMD vendor: Gigabyte driver: amdgpu v: kernel pcie: speed: 32 GT/s
lanes: 16 ports: active: DP-1,DP-2 empty: HDMI-A-1,HDMI-A-2,Writeback-1
bus-ID: 03:00.0 chip-ID: 1002:7550
Display: x11 server: X.Org v: 21.1.11 with: Xwayland v: 23.2.6 driver: X:
loaded: amdgpu unloaded: fbdev,modesetting,radeon,vesa dri: radeonsi
gpu: amdgpu display-ID: :0 screens: 1
Screen-1: 0 s-res: 5120x1440 s-dpi: 96
Monitor-1: DP-1 mapped: DisplayPort-0 pos: primary,right
model: MSI MAG 32CQ6F res: 2560x1440 dpi: 93 diag: 800mm (31.5")
Monitor-2: DP-2 mapped: DisplayPort-1 pos: left model: MSI MAG 32CQ6F
res: 2560x1440 dpi: 93 diag: 800mm (31.5")
API: EGL v: 1.5 platforms: device: 0 drv: radeonsi device: 1 drv: swrast
gbm: drv: kms_swrast surfaceless: drv: radeonsi x11: drv: radeonsi
inactive: wayland
API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa
v: 25.2.8-0ubuntu0.24.04.2 glx-v: 1.4 direct-render: yes renderer: AMD
Radeon RX 9070 XT (radeonsi gfx1201 LLVM 20.1.2 DRM 3.64
7.0.0-31-generic) device-ID: 1002:7550
API: Vulkan v: 1.3.275 surfaces: xcb,xlib device: 0 type: discrete-gpu
driver: N/A device-ID: 1002:7550 device: 1 type: cpu driver: N/A
device-ID: 10005:0000
Cannot find anything in logs about a faulty shutdown or reboot either.
But will help if i can and there are more commands to run to find the
root cause.
/Marcus
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https://bugs.launchpad.net/bugs/2167184
Title:
Regression in 7.0 HWE kernel: system hangs at poweroff with two
active displays on Navi 48 (RX 9070 XT)
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