Si cada vez que actualizas el kernel, te salen errores de firmware de gráficas AMD, en especial errores referentes a archivos de firmware que no están disponibles y, al mismo tiempo, no puedes instalar los paquetes que proporcionan esos archivos dado que, si lo haces, se te desinstala el paquete Proxmox, sigue este hack para solucionarlo:

Gráfica RX 6600 XT

Error:

Possible missing firmware /lib/firmware/amdgpu/ip_discovery.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/vega10_cap.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_cap.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/navi12_cap.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/psp_13_0_10_ta.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/psp_13_0_10_sos.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/aldebaran_cap.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_imu.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_rlc.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_mec.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_me.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_pfp.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_0_toc.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sdma_6_0_3.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_mes1.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_mes.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/navi10_mes.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_mes1.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_mes.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/smu_13_0_10.bin for module amdgpu

Corrección:

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Gráfica del procesador Ryzen 7 Pro 4750G

Error:

Possible missing firmware /lib/firmware/amdgpu/yellow_carp_gpu_info.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/vangogh_gpu_info.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/cyan_skillfish_rlc.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/cyan_skillfish_mec2.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/cyan_skillfish_mec.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/cyan_skillfish_me.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/cyan_skillfish_pfp.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/cyan_skillfish_ce.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/cyan_skillfish_sdma1.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/cyan_skillfish_sdma.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_mes.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/navi10_mes.bin for module amdgpu

Corrección:

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Gráfica RX 560

Error:

Possible missing firmware /lib/firmware/amdgpu/ip_discovery.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/vega10_cap.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_cap.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/navi12_cap.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/psp_13_0_10_ta.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/psp_13_0_10_sos.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/aldebaran_cap.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_imu.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_rlc.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_mec.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_me.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_pfp.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_0_toc.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sdma_6_0_3.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_mes1.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_mes.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/navi10_mes.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_mes1.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_mes.bin for module amdgpu
Possible missing firmware /lib/firmware/amdgpu/smu_13_0_10.bin for module amdgpu

Corrección:

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