I am having an issue where I cannot reliably boot TrueNAS Scale (Cobia or Dragonfish) on my machine, with my iGPU enabled. TrueNAS tries loading the included amdgpu driver but fails with
(amdgpu 0000:cd:00.0: Direct firmware load for amdgpu/gc_11_0_1_mes_2.bin failed with error -2
[drm] try to fall back to amdgpu/gc_11_0_1_mes.bin)
and booting either stops or boot loops continually and sometimes actually successfully boots into TrueNas.
I thought this could be a hardware issue due to it actually booting some of the time. But this behavior only happens with TrueNAS Scale so far, I have not had a problem with booting TrueNAS Core, Proxmox, Ubuntu and Windows 11.
I installed a dedicated GPU and disabled the iGPU and now TrueNAS Scale boots reliably without the AMD GPU, but I would like to use it.