[   63.187933] [drm] radeon kernel modesetting enabled.
[   63.187957] vga_switcheroo: detected switching method \_SB_.PCI0.GFX0.ATPX handle
[   63.188082] ATPX version 1, functions 0x00000033
[   63.190276] AMD IOMMUv2 driver by Joerg Roedel <jroedel@suse.de>
[   63.190277] AMD IOMMUv2 functionality not available on this system
[   63.193611] CRAT table not found
[   63.193613] Finished initializing topology ret=0
[   63.193633] kfd kfd: Initialized module
[   63.194119] [drm] initializing kernel modesetting (VERDE 0x1002:0x682F 0x1028:0x0572 0x00).
[   63.194152] [drm] register mmio base: 0xC0000000
[   63.194153] [drm] register mmio size: 262144
[   63.194155] vga_switcheroo: enabled
[   63.206819] ATOM BIOS: Dell/Compal
[   63.207033] radeon 0000:01:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used)
[   63.207035] radeon 0000:01:00.0: GTT: 2048M 0x0000000080000000 - 0x00000000FFFFFFFF
[   63.207037] [drm] Detected VRAM RAM=2048M, BAR=256M
[   63.207037] [drm] RAM width 128bits DDR
[   63.207194] [TTM] Zone  kernel: Available graphics memory: 4022730 kiB
[   63.207195] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[   63.207197] [TTM] Initializing pool allocator
[   63.207204] [TTM] Initializing DMA pool allocator
[   63.207233] [drm] radeon: 2048M of VRAM memory ready
[   63.207235] [drm] radeon: 2048M of GTT memory ready.
[   63.207255] [drm] Loading verde Microcode
[   63.207263] [drm] Internal thermal controller with fan control
[   63.207329] [drm] probing gen 2 caps for device 8086:151 = 261ac83/e
[   63.214081] [drm] radeon: dpm initialized
[   63.219065] [drm] Found VCE firmware/feedback version 50.0.1 / 17!
[   63.219076] [drm] GART: num cpu pages 524288, num gpu pages 524288
[   63.220318] [drm] probing gen 2 caps for device 8086:151 = 261ac83/e
[   63.220320] [drm] enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0
[   64.456799] [drm] PCIE GART of 2048M enabled (table at 0x00000000001D6000).
[   64.456928] radeon 0000:01:00.0: WB enabled
[   64.456930] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff880231bdbc00
[   64.456931] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff880231bdbc04
[   64.456932] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff880231bdbc08
[   64.456933] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff880231bdbc0c
[   64.456933] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff880231bdbc10
[   64.457350] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90003635a18
[   64.467553] radeon 0000:01:00.0: failed VCE resume (-22).
[   64.467556] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   64.467556] [drm] Driver supports precise vblank timestamp query.
[   64.467557] radeon 0000:01:00.0: radeon: MSI limited to 32-bit
[   64.467585] radeon 0000:01:00.0: radeon: using MSI.
[   64.467606] [drm] radeon: irq initialized.
[   65.060258] [drm] ring test on 0 succeeded in 1 usecs
[   65.060262] [drm] ring test on 1 succeeded in 1 usecs
[   65.209303] [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 2 test failed (scratch(0x850C)=0xCAFEDEAD)
[   65.311660] [drm:r600_dma_ring_test [radeon]] *ERROR* radeon: ring 3 test failed (0xCAFEDEAD)
[   65.311663] radeon 0000:01:00.0: disabling GPU acceleration
[   65.461099] [drm] Radeon Display Connectors
[   65.462932] [drm] Initialized radeon 2.48.0 20080528 for 0000:01:00.0 on minor 1