https://bugzilla.kernel.org/show_bug.cgi?id=105111
Bug ID: 105111 Summary: amdgpu 0000:00:01.0: Invalid ROM contents (with A8-7600) Product: Drivers Version: 2.5 Kernel Version: 4.3.0-rc3 Hardware: IA-64 OS: Linux Tree: Mainline Status: NEW Severity: blocking Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: fin4478@hotmail.com Regression: No
Created attachment 188721 --> https://bugzilla.kernel.org/attachment.cgi?id=188721&action=edit dmesg output
amdgpu fails to find bios rom in Amd A8-7600 system. The following is a dmesg capture after booting to linux rescue mode:
[ 1.629958] [drm] amdgpu kernel modesetting enabled. [ 1.630360] [drm] initializing kernel modesetting (KAVERI 0x1002:0x1313 0x1043:0x85CB 0x00). [ 1.630410] [drm] register mmio base: 0xFEB00000 [ 1.630445] [drm] register mmio size: 262144 [ 1.630487] [drm] doorbell mmio base: 0xF0000000 [ 1.630523] [drm] doorbell mmio size: 8388608 [ 1.630582] amdgpu 0000:00:01.0: Invalid ROM contents [ 1.630652] [drm:amdgpu_get_bios [amdgpu]] *ERROR* Unable to locate a BIOS ROM [ 1.630695] amdgpu 0000:00:01.0: Fatal error during GPU init [ 1.630732] [drm] amdgpu: finishing device. [ 1.630767] [TTM] Memory type 2 has not been initialized [ 1.632024] amdgpu: probe of 0000:00:01.0 failed with error -22
Problematic code is in the file: drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c