Comment # 6 on bug 100979 from Daniel

The situation over here is maybe related:

Hibernating/suspend-to-disk/s4 on my new AMD Carrizo box fails.

Upon hibernate, the system just reboots. No hints in the logs.

Suspend-to-RAM/S3 works fine.

When I disable amdgpu, hibernate & resume work fine.

Linux-4.11.3-gentoo-x86_64-AMD_A12-9800_RADEON_R7,_12_COMPUTE_CORES_4C+8G-with-gentoo-2.3,
sys-kernel/linux-firmware-20170519

Cheers, Daniel