[ 342.625906] [drm] amdgpu kernel modesetting enabled. [ 342.653851] Parsing CRAT table with 1 nodes [ 342.653858] Creating topology SYSFS entries [ 342.653906] Topology: Add APU node [0x0:0x0] [ 342.653907] Finished initializing topology [ 342.653971] kfd kfd: Initialized module [ 342.657680] [drm] initializing kernel modesetting (STONEY 0x1002:0x98E4 0x103C:0x8267 0x83). [ 342.657726] [drm] register mmio base: 0xFEB00000 [ 342.657727] [drm] register mmio size: 262144 [ 342.657752] [drm] add ip block number 0 [ 342.657754] [drm] add ip block number 1 [ 342.657756] [drm] add ip block number 2 [ 342.657758] [drm] add ip block number 3 [ 342.657759] [drm] add ip block number 4 [ 342.657761] [drm] add ip block number 5 [ 342.657763] [drm] add ip block number 6 [ 342.657765] [drm] add ip block number 7 [ 342.657766] [drm] add ip block number 8 [ 342.657768] [drm] add ip block number 9 [ 342.657774] amdgpu 0000:00:01.0: kfd not supported on this ASIC [ 342.657788] [drm] UVD is enabled in physical mode [ 342.657789] [drm] VCE enabled in VM mode [ 342.671635] [drm] BIOS signature incorrect eb ec [ 342.671734] ATOM BIOS: Yoshi_DP3 [ 342.671795] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit [ 342.671804] amdgpu 0000:00:01.0: VRAM: 512M 0x000000F400000000 - 0x000000F41FFFFFFF (512M used) [ 342.671807] amdgpu 0000:00:01.0: GART: 1024M 0x0000000000000000 - 0x000000003FFFFFFF [ 342.671813] [drm] Detected VRAM RAM=512M, BAR=512M [ 342.671814] [drm] RAM width 64bits UNKNOWN [ 342.671903] [TTM] Zone kernel: Available graphics memory: 1774864 kiB [ 342.671905] [TTM] Initializing pool allocator [ 342.671911] [TTM] Initializing DMA pool allocator [ 342.671970] [drm] amdgpu: 512M of VRAM memory ready [ 342.671973] [drm] amdgpu: 2599M of GTT memory ready. [ 342.671986] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 342.672024] [drm] PCIE GART of 1024M enabled (table at 0x000000F4008CA000). [ 342.678633] amdgpu 0000:00:01.0: firmware: direct-loading firmware amdgpu/stoney_pfp.bin [ 342.678763] amdgpu 0000:00:01.0: firmware: direct-loading firmware amdgpu/stoney_me.bin [ 342.678845] amdgpu 0000:00:01.0: firmware: direct-loading firmware amdgpu/stoney_ce.bin [ 342.686188] amdgpu 0000:00:01.0: firmware: direct-loading firmware amdgpu/stoney_rlc.bin [ 342.693223] amdgpu 0000:00:01.0: firmware: direct-loading firmware amdgpu/stoney_mec.bin [ 342.695179] amdgpu 0000:00:01.0: firmware: direct-loading firmware amdgpu/stoney_sdma.bin [ 342.700030] amdgpu 0000:00:01.0: firmware: direct-loading firmware amdgpu/stoney_uvd.bin [ 342.700067] [drm] Found UVD firmware Version: 1.43 Family ID: 15 [ 342.700091] [drm] UVD ENC is disabled [ 342.708674] amdgpu 0000:00:01.0: firmware: direct-loading firmware amdgpu/stoney_vce.bin [ 342.708690] [drm] Found VCE firmware Version: 52.0 Binary ID: 3 [ 342.737958] [drm] DM_PPLIB: values for Engine clock [ 342.737961] [drm] DM_PPLIB: 200000 [ 342.737962] [drm] DM_PPLIB: 300000 [ 342.737963] [drm] DM_PPLIB: 400000 [ 342.737964] [drm] DM_PPLIB: 450000 [ 342.737964] [drm] DM_PPLIB: 496560 [ 342.737965] [drm] DM_PPLIB: 533340 [ 342.737966] [drm] DM_PPLIB: 576000 [ 342.737966] [drm] DM_PPLIB: 600000 [ 342.737967] [drm] DM_PPLIB: Validation clocks: [ 342.737968] [drm] DM_PPLIB: engine_max_clock: 60000 [ 342.737969] [drm] DM_PPLIB: memory_max_clock: 93300 [ 342.737970] [drm] DM_PPLIB: level : 8 [ 342.737972] [drm] DM_PPLIB: values for Display clock [ 342.737972] [drm] DM_PPLIB: 300000 [ 342.737973] [drm] DM_PPLIB: 400000 [ 342.737974] [drm] DM_PPLIB: 496560 [ 342.737974] [drm] DM_PPLIB: 626090 [ 342.737975] [drm] DM_PPLIB: 685720 [ 342.737976] [drm] DM_PPLIB: 757900 [ 342.737976] [drm] DM_PPLIB: 800000 [ 342.737977] [drm] DM_PPLIB: 847060 [ 342.737978] [drm] DM_PPLIB: Validation clocks: [ 342.737978] [drm] DM_PPLIB: engine_max_clock: 60000 [ 342.737979] [drm] DM_PPLIB: memory_max_clock: 93300 [ 342.737980] [drm] DM_PPLIB: level : 8 [ 342.737981] [drm] DM_PPLIB: values for Memory clock [ 342.737982] [drm] DM_PPLIB: 667000 [ 342.737982] [drm] DM_PPLIB: 933000 [ 342.737983] [drm] DM_PPLIB: Validation clocks: [ 342.737984] [drm] DM_PPLIB: engine_max_clock: 60000 [ 342.737984] [drm] DM_PPLIB: memory_max_clock: 93300 [ 342.737985] [drm] DM_PPLIB: level : 8 [ 342.748610] [drm] Display Core initialized with v3.1.59! [ 342.780524] [drm] SADs count is: -2, don't need to read it [ 342.781637] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 342.781639] [drm] Driver supports precise vblank timestamp query. [ 342.809884] [drm] UVD initialized successfully. [ 342.910117] [drm] VCE initialized successfully. [ 342.912713] [drm] fb mappable at 0xC0D30000 [ 342.912715] [drm] vram apper at 0xC0000000 [ 342.912716] [drm] size 9216000 [ 342.912716] [drm] fb depth is 24 [ 342.912717] [drm] pitch is 7680 [ 342.912815] fbcon: amdgpudrmfb (fb0) is primary device [ 342.913046] Console: switching to colour frame buffer device 240x75 [ 342.913060] amdgpu 0000:00:01.0: fb0: amdgpudrmfb frame buffer device [ 342.930206] [drm] Initialized amdgpu 3.27.0 20150101 for 0000:00:01.0 on minor 0 [ 343.464670] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 [ 343.464674] PGD 10f79b067 P4D 10f79b067 PUD 0 [ 343.464682] Oops: 0000 [#1] SMP NOPTI [ 343.464689] CPU: 0 PID: 3406 Comm: Xorg Not tainted 4.19.0-0.bpo.4-amd64 #1 Debian 4.19.28-2~bpo9+1 [ 343.464691] Hardware name: HP HP t530 Thin Client/8267, BIOS M41 v01.05 10/26/2018 [ 343.464843] RIP: 0010:dc_link_aux_transfer+0x8b/0x160 [amdgpu] [ 343.464847] 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 95 ad cf f6 8b 44 24 78 4c 89 [ 343.464849] RSP: 0018:ffffb01200faba10 EFLAGS: 00210246 [ 343.464853] RAX: ffff8aa0db14c000 RBX: 0000000000000000 RCX: ffffb01200fabb37 [ 343.464855] RDX: 0000000000000002 RSI: ffff8aa0db009ca0 RDI: ffff8aa0db14cc00 [ 343.464857] RBP: 0000000000000600 R08: 0000000000000001 R09: 0000000000000000 [ 343.464859] R10: ffffe11182e7fcc0 R11: 0000000000000000 R12: 0000000000000001 [ 343.464862] R13: ffffb01200fabb37 R14: ffffb01200fabaad R15: 0000000000000000 [ 343.464865] FS: 0000000000000000(0000) GS:ffff8aa15b200000(0063) knlGS:00000000f7fac900 [ 343.464868] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 343.464870] CR2: 0000000000000018 CR3: 00000001125be000 CR4: 00000000001406f0 [ 343.464873] Call Trace: [ 343.465006] dm_dp_aux_transfer+0xd4/0x120 [amdgpu] [ 343.465026] drm_dp_dpcd_access+0x7a/0x110 [drm_kms_helper] [ 343.465041] drm_dp_dpcd_write+0x26/0xa0 [drm_kms_helper] [ 343.465165] dm_helpers_dp_write_dpcd+0x27/0x40 [amdgpu] [ 343.465280] dp_receiver_power_ctrl+0x48/0x70 [amdgpu] [ 343.465399] power_down_all_hw_blocks+0x1a2/0x1d0 [amdgpu] [ 343.465516] dce110_enable_accelerated_mode+0x63/0x180 [amdgpu] [ 343.465640] ? bios_is_accelerated_mode+0x38/0x60 [amdgpu] [ 343.465756] dc_commit_state+0x53f/0x550 [amdgpu] [ 343.465869] ? set_freesync_on_streams.part.7+0xce/0x2c0 [amdgpu] [ 343.465982] ? mod_freesync_set_user_enable+0x16d/0x1b0 [amdgpu] [ 343.466106] amdgpu_dm_atomic_commit_tail+0x33e/0xe60 [amdgpu] [ 343.466123] ? crtc_or_fake_commit.part.22+0x2f/0x50 [drm_kms_helper] [ 343.466212] ? amdgpu_bo_pin_restricted+0x68/0x280 [amdgpu] [ 343.466333] ? amdgpu_dm_atomic_commit_tail+0xe60/0xe60 [amdgpu] [ 343.466454] ? dm_plane_helper_prepare_fb+0x1ea/0x300 [amdgpu] [ 343.466470] commit_tail+0x3d/0x70 [drm_kms_helper] [ 343.466486] drm_atomic_helper_commit+0xb4/0x120 [drm_kms_helper] [ 343.466502] restore_fbdev_mode_atomic+0x173/0x1d0 [drm_kms_helper] [ 343.466519] drm_fb_helper_restore_fbdev_mode_unlocked+0x45/0x90 [drm_kms_helper] [ 343.466604] amdgpu_driver_lastclose_kms+0xa/0x10 [amdgpu] [ 343.466640] drm_lastclose+0x30/0xe0 [drm] [ 343.466665] drm_release+0xeb/0x120 [drm] [ 343.466673] __fput+0xda/0x1d0 [ 343.466680] task_work_run+0x8a/0xb0 [ 343.466686] exit_to_usermode_loop+0xe8/0xf0 [ 343.466691] do_fast_syscall_32+0x1b5/0x1e0 [ 343.466697] entry_SYSCALL_compat_after_hwframe+0x45/0x4d [ 343.466700] Modules linked in: amdkfd amdgpu chash gpu_sched ttm drm_kms_helper drm i2c_algo_bit btrfs edac_mce_amd btusb kvm_amd btrtl btbcm btintel ccp bluetooth kvm hid_generic irqbypass drbg crct10dif_pclmul crc32_pclmul usbhid ghash_clmulni_intel hid ansi_cprng zstd_compress libcrc32c crc32c_generic crc32c_intel pcbc ecdh_generic crc16 xor raid6_pq snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec iwlwifi hp_wmi cfg80211 sparse_keymap wmi_bmof aesni_intel sg snd_hda_core tpm_crb snd_hwdep snd_pcm rfkill aes_x86_64 snd_timer crypto_simd cryptd snd tpm_tis tpm_tis_core glue_helper tpm pcspkr fam15h_power soundcore k10temp sp5100_tco i2c_piix4 rng_core wmi evdev pcc_cpufreq button acpi_cpufreq ip_tables x_tables autofs4 squashfs zstd_decompress xxhash loop [ 343.466806] sd_mod r8169 libphy xhci_pci xhci_hcd ehci_pci ehci_hcd usbcore usb_common ahci libahci libata scsi_mod video nfsv4 dns_resolver nfsv2 nfs fscache lockd grace sunrpc overlay [ 343.466839] CR2: 0000000000000018 [ 343.466853] ---[ end trace dd6f4a64dcfa7e10 ]--- [ 343.466974] RIP: 0010:dc_link_aux_transfer+0x8b/0x160 [amdgpu] [ 343.466977] 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 95 ad cf f6 8b 44 24 78 4c 89 [ 343.466980] RSP: 0018:ffffb01200faba10 EFLAGS: 00210246 [ 343.466983] RAX: ffff8aa0db14c000 RBX: 0000000000000000 RCX: ffffb01200fabb37 [ 343.466985] RDX: 0000000000000002 RSI: ffff8aa0db009ca0 RDI: ffff8aa0db14cc00 [ 343.466987] RBP: 0000000000000600 R08: 0000000000000001 R09: 0000000000000000 [ 343.466989] R10: ffffe11182e7fcc0 R11: 0000000000000000 R12: 0000000000000001 [ 343.466992] R13: ffffb01200fabb37 R14: ffffb01200fabaad R15: 0000000000000000 [ 343.466995] FS: 0000000000000000(0000) GS:ffff8aa15b200000(0063) knlGS:00000000f7fac900 [ 343.466997] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 343.466999] CR2: 0000000000000018 CR3: 00000001125be000 CR4: 00000000001406f0