Monday, December 12, 2016

Linux kernel 4.9 amdgpu blank screen in Gentoo

After updating to kernel 4.9 I ended up with a blank screen after grub.

Booted back to 4.8 and checked logs and found a firmware file was showing as erroring and load not loading:

/lib/firmware/amdgpu/tonga_k_smc.bin

So I had to add that to firmware load files in the generic device drivers of the kernel and now all works.

It had a firmware file

/lib/firmware/amdgpu/tonga_smc.bin

before so the k one is new in 4.9.


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