<6>[ 10.842672] [drm] amdgpu kernel modesetting enabled. <7>[ 10.842709] checking generic (e0000000 420000) vs hw (e0000000 10000000) <6>[ 10.842711] fb: switching to amdgpudrmfb from EFI VGA <6>[ 10.842777] Console: switching to colour dummy device 80x25 <6>[ 10.843546] [drm] initializing kernel modesetting (MULLINS 0x1002:0x9851 0x17AA:0x3801 0x00). <6>[ 10.843898] [drm] register mmio base: 0xF0C00000 <6>[ 10.843899] [drm] register mmio size: 262144 <6>[ 10.843909] [drm] add ip block number 0 <6>[ 10.843911] [drm] add ip block number 1 <6>[ 10.843912] [drm] add ip block number 2 <6>[ 10.843914] [drm] add ip block number 3 <6>[ 10.843916] [drm] add ip block number 4 <6>[ 10.843918] [drm] add ip block number 5 <6>[ 10.843919] [drm] add ip block number 6 <6>[ 10.843920] [drm] add ip block number 7 <6>[ 10.843922] [drm] add ip block number 8 <6>[ 10.843975] ATOM BIOS: BR45787.ts5 <6>[ 10.844042] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit <6>[ 10.844053] amdgpu 0000:00:01.0: VRAM: 1024M 0x000000F400000000 - 0x000000F43FFFFFFF (1024M used) <6>[ 10.844056] amdgpu 0000:00:01.0: GART: 1024M 0x0000000000000000 - 0x000000003FFFFFFF <6>[ 10.844064] [drm] Detected VRAM RAM=1024M, BAR=1024M <6>[ 10.844066] [drm] RAM width 64bits UNKNOWN <6>[ 10.844347] [TTM] Zone kernel: Available graphics memory: 3545260 kiB <6>[ 10.844349] [TTM] Zone dma32: Available graphics memory: 2097152 kiB <6>[ 10.844350] [TTM] Initializing pool allocator <6>[ 10.844358] [TTM] Initializing DMA pool allocator <6>[ 10.844464] [drm] amdgpu: 1024M of VRAM memory ready <6>[ 10.844467] [drm] amdgpu: 3072M of GTT memory ready. <6>[ 10.844490] [drm] GART: num cpu pages 262144, num gpu pages 262144 <6>[ 10.844529] [drm] PCIE GART of 1024M enabled (table at 0x000000F400401000). <6>[ 10.845314] [drm] Internal thermal controller without fan control <4>[ 10.845320] ui class: battery <4>[ 10.845321] internal class: none <4>[ 10.845323] caps: <4>[ 10.845326] uvd vclk: 0 dclk: 0 <4>[ 10.845327] power level 0 sclk: 30000 vddc: 3050 <4>[ 10.845329] power level 1 sclk: 40000 vddc: 3400 <4>[ 10.845329] status: <4>[ 10.845331] ui class: performance <4>[ 10.845332] internal class: none <4>[ 10.845333] caps: <4>[ 10.845335] uvd vclk: 0 dclk: 0 <4>[ 10.845336] power level 0 sclk: 30000 vddc: 3050 <4>[ 10.845337] power level 1 sclk: 40000 vddc: 3400 <4>[ 10.845339] power level 2 sclk: 49656 vddc: 3500 <4>[ 10.845340] power level 3 sclk: 65455 vddc: 3750 <4>[ 10.845341] power level 4 sclk: 80000 vddc: 4150 <4>[ 10.845342] status: <4>[ 10.845343] ui class: none <4>[ 10.845344] internal class: boot <4>[ 10.845346] caps: <4>[ 10.845347] uvd vclk: 0 dclk: 0 <4>[ 10.845348] power level 0 sclk: 20000 vddc: 6100 <4>[ 10.845349] status: c r b <6>[ 10.845352] [drm] amdgpu: dpm initialized <6>[ 10.855407] ath: phy0: WB335 2-ANT card detected <6>[ 10.855412] ath: phy0: Set BT/WLAN RX diversity capability <6>[ 10.868140] kvm: Nested Virtualization enabled <6>[ 10.868146] kvm: Nested Paging enabled <6>[ 10.869005] [drm] Found UVD firmware Version: 1.64 Family ID: 9 <6>[ 10.869508] [drm] Found VCE firmware Version: 50.10 Binary ID: 2 <3>[ 10.871415] [drm:dm_pp_get_static_clocks [amdgpu]] *ERROR* DM_PPLIB: invalid powerlevel state: 0! <4>[ 10.871597] [drm] Unsupported Connector type:5! <6>[ 10.880937] ath: phy0: Enable LNA combining <6>[ 10.882026] ath: phy0: ASPM enabled: 0x43 <7>[ 10.882030] ath: EEPROM regdomain: 0x6a <7>[ 10.882031] ath: EEPROM indicates we should expect a direct regpair map <7>[ 10.882035] ath: Country alpha2 being used: 00 <7>[ 10.882036] ath: Regpair used: 0x6a <6>[ 10.883461] [drm] Display Core initialized with v3.1.62! <1>[ 10.883770] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 <6>[ 10.883789] PGD 0 P4D 0 <4>[ 10.883797] Oops: 0000 [#1] PREEMPT SMP <4>[ 10.883805] CPU: 3 PID: 2796 Comm: udevd Not tainted 4.18.0-rc1+ #2 <4>[ 10.883811] Hardware name: LENOVO 80E3/Lancer 5B2, BIOS A2CN45WW(V2.13) 08/04/2016 <4>[ 10.883955] RIP: 0010:dc_link_aux_transfer+0x87/0x150 [amdgpu] <4>[ 10.883961] Code: 00 00 00 00 c6 44 24 03 00 48 c7 44 24 08 00 00 00 00 48 8b 16 48 8b 00 8b 52 14 48 8b 80 38 01 00 00 48 8b 9c d0 b0 01 00 00 <48> 8b 43 18 48 89 df 48 8b 40 48 e8 b9 1a cc f6 8b 44 24 78 4c 89 <4>[ 10.884019] RSP: 0018:ffffaa3e02b3f738 EFLAGS: 00010246 <4>[ 10.884026] RAX: ffff905991065400 RBX: 0000000000000000 RCX: ffffaa3e02b3f878 <4>[ 10.884032] RDX: 0000000000000000 RSI: ffff9059913506a0 RDI: ffff905991066000 <4>[ 10.884038] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 <4>[ 10.884044] R10: fffff558c844d400 R11: 0000000000000001 R12: ffffaa3e02b3f878 <4>[ 10.884050] R13: ffffaa3e02b3f7d5 R14: 0000000000000000 R15: 0000000000000000 <4>[ 10.884057] FS: 00007fe9448182c0(0000) GS:ffff90599ed80000(0000) knlGS:0000000000000000 <4>[ 10.884064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 10.884069] CR2: 0000000000000018 CR3: 0000000211693000 CR4: 00000000000406e0 <4>[ 10.884075] Call Trace: <4>[ 10.884176] ? dm_dp_aux_transfer+0x50/0x110 [amdgpu] <4>[ 10.884189] ? drm_dp_dpcd_access+0x74/0x110 <4>[ 10.884198] ? drm_dp_dpcd_read+0x27/0x60 <4>[ 10.884292] ? dm_helpers_dp_read_dpcd+0x22/0x40 [amdgpu] <4>[ 10.884385] ? core_link_read_dpcd+0x1a/0x30 [amdgpu] <4>[ 10.884478] ? retrieve_link_cap+0x50/0x470 [amdgpu] <4>[ 10.884570] ? detect_edp_sink_caps+0x9/0x30 [amdgpu] <4>[ 10.884662] ? dc_link_detect+0x52d/0xaa0 [amdgpu] <4>[ 10.884673] ? _raw_spin_lock_irqsave+0x12/0x40 <4>[ 10.884683] ? kmem_cache_alloc_trace+0x1a2/0x1c0 <4>[ 10.884778] ? amdgpu_dm_initialize_drm_device+0x66a/0xc50 [amdgpu] <4>[ 10.884788] ? kmem_cache_alloc_trace+0x1a2/0x1c0 <4>[ 10.884882] ? dm_hw_init+0x152/0x250 [amdgpu] <4>[ 10.884959] ? amdgpu_device_init+0x1071/0x14d0 [amdgpu] <4>[ 10.884971] ? kmalloc_order+0x13/0x40 <4>[ 10.885043] ? amdgpu_driver_load_kms+0x5e/0x190 [amdgpu] <4>[ 10.885053] ? drm_dev_register+0x10d/0x1a0 <4>[ 10.885127] ? amdgpu_pci_probe+0x13a/0x200 [amdgpu] <4>[ 10.885138] ? _raw_spin_unlock_irqrestore+0xf/0x30 <4>[ 10.885147] ? pci_device_probe+0xc8/0x140 <4>[ 10.885156] ? driver_probe_device+0x24a/0x340 <4>[ 10.885163] ? __driver_attach+0xac/0xb0 <4>[ 10.885171] ? driver_probe_device+0x340/0x340 <4>[ 10.885178] ? bus_for_each_dev+0x71/0xb0 <4>[ 10.885185] ? bus_add_driver+0x191/0x210 <4>[ 10.885192] ? 0xffffffffc0613000 <4>[ 10.885198] ? driver_register+0x56/0xe0 <4>[ 10.885204] ? 0xffffffffc0613000 <4>[ 10.885212] ? do_one_initcall+0x41/0x1ea <4>[ 10.885221] ? free_unref_page_commit.isra.103+0x48/0xc0 <4>[ 10.885229] ? preempt_count_add+0x44/0x90 <4>[ 10.885236] ? put_cpu_partial+0x88/0x110 <4>[ 10.885243] ? kmem_cache_alloc_trace+0x2a/0x1c0 <4>[ 10.885253] ? do_init_module+0x56/0x1e0 <4>[ 10.885260] ? load_module+0x205e/0x26b0 <4>[ 10.885269] ? vfs_read+0x10e/0x130 <4>[ 10.885275] ? vfs_read+0x10e/0x130 <4>[ 10.885283] ? __do_sys_finit_module+0xba/0xe0 <4>[ 10.885291] ? __do_sys_finit_module+0xba/0xe0 <4>[ 10.885300] ? do_syscall_64+0x50/0x160 <4>[ 10.885307] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 <4>[ 10.885315] Modules linked in: kvm_amd kvm ath9k(+) irqbypass ath9k_common crc32_pclmul ghash_clmulni_intel ath9k_hw sdhci_pci cqhci sdhci amdgpu(+) serio_raw mmc_core mac80211 mfd_core ehci_pci chash ath gpu_sched ttm xhci_pci cfg80211 xhci_hcd ehci_hcd sp5100_tco <4>[ 10.885358] CR2: 0000000000000018 <4>[ 10.885413] ---[ end trace bcd1800b380d30fd ]---