[Bug 105401] Unable to start X on Vega AMDGPU(0): amdgpu_setup_kernel_mem failed

https://bugs.freedesktop.org/show_bug.cgi?id=105401

Bug ID: 105401 Summary: Unable to start X on Vega AMDGPU(0): amdgpu_setup_kernel_mem failed Product: DRI Version: XOrg git Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: tpearson@raptorengineering.com

A similar issue to the one described in Bug #105172 is affecting Vega GPUs on POWER9 machines. Log files attached.

System configuration:

Software versions: Linux 4.16.0-rc4 ppc64el

GPU hardware: Radeon RX Vega 56

CPU hardware: POWER9 PowerNV