After last update (20250708) , error message at boot :
microcode: No sha256 digest for patch ID: 0xa20102e found
microcode: CPU1: update failed for patch_level=0x0a20102e
Rollback snapper it’s good.
Linux linux 6.15.5-1-default #1 SMP PREEMPT_DYNAMIC Sun Jul 6 18:09:53 UTC 2025 (478c062) x86_64 x86_64 x86_64 GNU/Linux
Hardware
CPU:
Info: 6-core model: AMD Ryzen 5 5600X bits: 64 type: MT MCP cache: L2: 3 MiB
Speed (MHz): avg: 4200 min/max: 636/5282 cores: 1: 4200 2: 4200 3: 4200 4: 4200 5: 4200
6: 4200 7: 4200 8: 4200 9: 4200 10: 4200 11: 4200 12: 4200
Graphics:
Device-1: Advanced Micro Devices [AMD/ATI] Navi 22 [Radeon RX 6700/6700
XT/6750 XT / 6800M/6850M XT] driver: amdgpu v: kernel
Display: wayland server: X.org v: 1.21.1.15 with: Xwayland v: 24.1.8
compositor: kwin_wayland driver: X: loaded: modesetting unloaded: vesa
dri: radeonsi gpu: amdgpu resolution: 2560x1440~75Hz
API: EGL v: 1.5 drivers: kms_swrast,radeonsi,swrast
platforms: gbm,wayland,x11,surfaceless,device
API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 25.1.4 renderer: AMD
Radeon RX 6700 (radeonsi navi22 LLVM 20.1.7 DRM 3.63 6.15.5-1-default)
API: Vulkan v: 1.4.313 drivers: N/A surfaces: N/A
Info: Tools: api: clinfo, eglinfo, glxinfo, vulkaninfo
de: kscreen-console,kscreen-doctor gpu: corectrl,lact wl: wayland-info
x11: xdpyinfo, xprop, xrandr