[  582.780267] [drm] amdgpu kernel modesetting enabled.
[  582.780290] vga_switcheroo: detected switching method \_SB_.PCI0.GFX0.ATPX handle
[  582.780411] ATPX version 1, functions 0x00000033
[  582.780756] [drm] initializing kernel modesetting (VERDE 0x1002:0x682F 0x1028:0x0572 0x00).
[  582.780814] [drm] register mmio base: 0xC0000000
[  582.780815] [drm] register mmio size: 262144
[  582.780819] vga_switcheroo: enabled
[  582.795989] ATOM BIOS: Dell/Compal
[  582.795995] [drm] GPU post is not needed
[  582.797032] [TTM] Zone  kernel: Available graphics memory: 4022730 kiB
[  582.797033] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[  582.797034] [TTM] Initializing pool allocator
[  582.797041] [TTM] Initializing DMA pool allocator
[  582.797058] amdgpu 0000:01:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used)
[  582.797061] amdgpu 0000:01:00.0: GTT: 3928M 0x0000000080000000 - 0x00000001758727FF
[  582.797062] [drm] Detected VRAM RAM=2048M, BAR=256M
[  582.797064] [drm] RAM width 128bits DDR3
[  582.797081] [drm] amdgpu: 2048M of VRAM memory ready
[  582.797082] [drm] amdgpu: 3928M of GTT memory ready.
[  582.797103] [drm] GART: num cpu pages 1005682, num gpu pages 1005682
[  582.798315] amdgpu 0000:01:00.0: PCIE GART of 3928M enabled (table at 0x0000000000040000).
[  582.798367] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[  582.798367] [drm] Driver supports precise vblank timestamp query.
[  582.798404] amdgpu 0000:01:00.0: amdgpu: using MSI.
[  582.798426] [drm] amdgpu: irq initialized.
[  582.798437] [drm] probing gen 2 caps for device 8086:151 = 261ac83/e
[  582.798457] [drm] Internal thermal controller with fan control
[  582.798466] [drm] amdgpu: dpm initialized
[  582.798494] [drm] AMDGPU Display Connectors
[  582.798673] amdgpu 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000010, cpu addr 0xffff880232a2c010
[  582.798816] amdgpu 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000080000020, cpu addr 0xffff880232a2c020
[  582.798881] amdgpu 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000080000030, cpu addr 0xffff880232a2c030
[  582.798920] amdgpu 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000040, cpu addr 0xffff880232a2c040
[  582.798955] amdgpu 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000080000050, cpu addr 0xffff880232a2c050
[  582.799091] [drm] probing gen 2 caps for device 8086:151 = 261ac83/e
[  582.799093] [drm] enabling PCIE gen 3 link speeds, disable with amdgpu.pcie_gen2=0
[  584.191048] [drm] ring test on 0 succeeded in 8 usecs
[  584.193053] [drm] ring test on 1 succeeded in 1 usecs
[  584.342944] [drm:gfx_v6_0_ring_test_ring [amdgpu]] *ERROR* amdgpu: ring 2 test failed (scratch(0x2140)=0xCAFEDEAD)
[  584.342971] [drm:amdgpu_device_init [amdgpu]] *ERROR* hw_init of IP block <gfx_v6_0> failed -22
[  584.342974] amdgpu 0000:01:00.0: amdgpu_init failed
[  584.344927] [TTM] Finalizing pool allocator
[  584.344930] [TTM] Finalizing DMA pool allocator
[  584.344949] [TTM] Zone  kernel: Used memory at exit: 0 kiB
[  584.344951] [TTM] Zone   dma32: Used memory at exit: 0 kiB
[  584.344952] [drm] amdgpu: ttm finalized
[  584.344954] amdgpu 0000:01:00.0: Fatal error during GPU init
[  584.344956] [drm] amdgpu: finishing device.
[  584.344957] [TTM] Memory type 2 has not been initialized
[  584.345073] vga_switcheroo: disabled
[  584.345222] amdgpu: probe of 0000:01:00.0 failed with error -22