Some more info on booting -112 related to amdgpu, which is crashing: Jun 7 09:29:22 enterprise kernel: [ 2.809882] AMD-Vi: AMD IOMMUv2 loaded and initialized Jun 7 09:29:22 enterprise kernel: [ 2.979171] amdgpu: Topology: Add APU node [0x0:0x0] Jun 7 09:29:22 enterprise kernel: [ 2.979234] checking generic (d0000000 300000) vs hw (d0000000 10000000) Jun 7 09:29:22 enterprise kernel: [ 2.979341] amdgpu 0000:06:00.0: amdgpu: Trusted Memory Zone (TMZ) feature enabled Jun 7 09:29:22 enterprise kernel: [ 3.002476] amdgpu 0000:06:00.0: amdgpu: Fetched VBIOS from ROM BAR Jun 7 09:29:22 enterprise kernel: [ 3.002478] amdgpu: ATOM BIOS: 113-PICASSO-117 Jun 7 09:29:22 enterprise kernel: [ 3.002608] amdgpu 0000:06:00.0: vgaarb: deactivate vga console Jun 7 09:29:22 enterprise kernel: [ 3.002653] amdgpu 0000:06:00.0: amdgpu: VRAM: 2048M 0x000000F400000000 - 0x000000F47FFFFFFF (2048M used) Jun 7 09:29:22 enterprise kernel: [ 3.002656] amdgpu 0000:06:00.0: amdgpu: GART: 1024M 0x0000000000000000 - 0x000000003FFFFFFF Jun 7 09:29:22 enterprise kernel: [ 3.002659] amdgpu 0000:06:00.0: amdgpu: AGP: 267419648M 0x000000F800000000 - 0x0000FFFFFFFFFFFF Jun 7 09:29:22 enterprise kernel: [ 3.003052] amdgpu 0000:06:00.0: amdgpu: PSP runtime database doesn't exist Jun 7 09:29:22 enterprise kernel: [ 3.004269] amdgpu: hwmgr_sw_init smu backed is smu10_smu Jun 7 09:29:22 enterprise kernel: [ 3.004404] amdgpu 0000:06:00.0: amdgpu: Will use PSP to load VCN firmware Jun 7 09:29:22 enterprise kernel: [ 3.088846] amdgpu 0000:06:00.0: amdgpu: RAS: optional ras ta ucode is not available Jun 7 09:29:22 enterprise kernel: [ 3.093879] amdgpu 0000:06:00.0: amdgpu: RAP: optional rap ta ucode is not available un 7 09:29:22 enterprise kernel: [ 3.186429] amdgpu: HMM registered 2048MB device memory Jun 7 09:29:22 enterprise kernel: [ 3.186503] amdgpu: Topology: Add APU node [0x15d8:0x1002] Jun 7 09:29:22 enterprise kernel: [ 3.186508] kfd kfd: amdgpu: added device 1002:15d8 Jun 7 09:29:22 enterprise kernel: [ 3.186516] kfd kfd: amdgpu: Failed to resume IOMMU for device 1002:15d8 Jun 7 09:29:22 enterprise kernel: [ 3.186530] amdgpu 0000:06:00.0: amdgpu: amdgpu_device_ip_init failed Jun 7 09:29:22 enterprise kernel: [ 3.186535] amdgpu 0000:06:00.0: amdgpu: Fatal error during GPU init Jun 7 09:29:22 enterprise kernel: [ 3.186545] amdgpu 0000:06:00.0: amdgpu: amdgpu: finishing device. Jun 7 09:29:22 enterprise kernel: [ 3.194967] BUG: kernel NULL pointer dereference, address: 000000000000013c Jun 7 09:29:22 enterprise kernel: [ 3.194971] #PF: supervisor read access in kernel mode Jun 7 09:29:22 enterprise kernel: [ 3.194975] #PF: error_code(0x0000) - not-present page Jun 7 09:29:22 enterprise kernel: [ 3.194978] PGD 0 P4D 0 Jun 7 09:29:22 enterprise kernel: [ 3.194983] Oops: 0000 [#1] SMP NOPTI Jun 7 09:29:22 enterprise kernel: [ 3.194987] CPU: 1 PID: 223 Comm: systemd-udevd Not tainted 5.15.0-112-generic #122-Ubuntu Jun 7 09:29:22 enterprise kernel: [ 3.194993] Hardware name: Gigabyte Technology Co., Ltd. B450 AORUS ELITE/B450 AORUS ELITE, BIOS F60c 10/29/2020 Jun 7 09:29:22 enterprise kernel: [ 3.194997] RIP: 0010:amdgpu_dm_fini+0x149/0x1f0 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.195211] Code: 01 00 48 85 ff 74 10 e8 05 0e 27 00 48 c7 83 e0 4e 01 00 00 00 00 00 4c 8b 83 48 4f 01 00 4d 85 c0 74 66 48 8b 93 40 3e 01 00 <8b> 82 3c 01 00 00 85 c0 74 42 45 31 e4 49 63 c4 4c 8d 2c 40 4b 8b Jun 7 09:29:22 enterprise kernel: [ 3.195218] RSP: 0018:ffffc2d6013ab8d0 EFLAGS: 00010286 Jun 7 09:29:22 enterprise kernel: [ 3.195223] RAX: 0000000000000000 RBX: ffffa0835cea0000 RCX: 00000000810000f8 Jun 7 09:29:22 enterprise kernel: [ 3.195227] RDX: 0000000000000000 RSI: 00000000810000f8 RDI: ffffa08340042300 Jun 7 09:29:22 enterprise kernel: [ 3.195231] RBP: ffffc2d6013ab8e8 R08: ffffa0835e6d9ac0 R09: 0000000000000000 Jun 7 09:29:22 enterprise kernel: [ 3.195234] R10: 0000000000000001 R11: dead000000000100 R12: ffffa0835cea0000 Jun 7 09:29:22 enterprise kernel: [ 3.195238] R13: ffffa0835cea0070 R14: 0000000000000007 R15: 0000000000000001 Jun 7 09:29:22 enterprise kernel: [ 3.195242] FS: 00007fa26be9a8c0(0000) GS:ffffa08a60a40000(0000) knlGS:0000000000000000 Jun 7 09:29:22 enterprise kernel: [ 3.195246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 7 09:29:22 enterprise kernel: [ 3.195251] CR2: 000000000000013c CR3: 000000011b89c000 CR4: 00000000003506e0 Jun 7 09:29:22 enterprise kernel: [ 3.195255] Call Trace: Jun 7 09:29:22 enterprise kernel: [ 3.195258] Jun 7 09:29:22 enterprise kernel: [ 3.195261] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.195267] ? show_trace_log_lvl+0x28e/0x2ea Jun 7 09:29:22 enterprise kernel: [ 3.195273] ? show_trace_log_lvl+0x28e/0x2ea Jun 7 09:29:22 enterprise kernel: [ 3.195279] ? dm_hw_fini+0x23/0x30 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.195454] ? show_regs.part.0+0x23/0x29 Jun 7 09:29:22 enterprise kernel: [ 3.195458] ? __die_body.cold+0x8/0xd Jun 7 09:29:22 enterprise kernel: [ 3.195462] ? __die+0x2b/0x37 Jun 7 09:29:22 enterprise kernel: [ 3.195466] ? page_fault_oops+0x13b/0x170 Jun 7 09:29:22 enterprise kernel: [ 3.195472] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.195476] ? do_user_addr_fault+0x321/0x670 Jun 7 09:29:22 enterprise kernel: [ 3.195481] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.195485] ? __free_pages_ok+0x34a/0x4f0 Jun 7 09:29:22 enterprise kernel: [ 3.195491] ? exc_page_fault+0x77/0x170 Jun 7 09:29:22 enterprise kernel: [ 3.195496] ? asm_exc_page_fault+0x27/0x30 Jun 7 09:29:22 enterprise kernel: [ 3.195503] ? amdgpu_dm_fini+0x149/0x1f0 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.195675] dm_hw_fini+0x23/0x30 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.195846] amdgpu_device_ip_fini_early.isra.0+0x278/0x312 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.196022] amdgpu_device_fini_hw+0x156/0x208 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.196193] amdgpu_driver_unload_kms+0x69/0x90 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.196325] amdgpu_driver_load_kms.cold+0x81/0x107 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.196496] amdgpu_pci_probe+0x1d1/0x290 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.196627] local_pci_probe+0x4b/0x90 Jun 7 09:29:22 enterprise kernel: [ 3.196632] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196637] pci_device_probe+0x119/0x200 Jun 7 09:29:22 enterprise kernel: [ 3.196642] really_probe+0x222/0x420 Jun 7 09:29:22 enterprise kernel: [ 3.196647] __driver_probe_device+0xe8/0x140 Jun 7 09:29:22 enterprise kernel: [ 3.196652] driver_probe_device+0x23/0xc0 Jun 7 09:29:22 enterprise kernel: [ 3.196657] __driver_attach+0xf7/0x1f0 Jun 7 09:29:22 enterprise kernel: [ 3.196661] ? __device_attach_driver+0x140/0x140 Jun 7 09:29:22 enterprise kernel: [ 3.196665] bus_for_each_dev+0x7f/0xd0 Jun 7 09:29:22 enterprise kernel: [ 3.196671] driver_attach+0x1e/0x30 Jun 7 09:29:22 enterprise kernel: [ 3.196675] bus_add_driver+0x148/0x220 Jun 7 09:29:22 enterprise kernel: [ 3.196679] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196683] driver_register+0x95/0x100 Jun 7 09:29:22 enterprise kernel: [ 3.196688] __pci_register_driver+0x68/0x70 Jun 7 09:29:22 enterprise kernel: [ 3.196692] amdgpu_init+0x7c/0x1000 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.196810] ? 0xffffffffc0e0b000 Jun 7 09:29:22 enterprise kernel: [ 3.196814] do_one_initcall+0x49/0x1e0 Jun 7 09:29:22 enterprise kernel: [ 3.196820] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196824] ? kmem_cache_alloc_trace+0x19e/0x2e0 Jun 7 09:29:22 enterprise kernel: [ 3.196830] do_init_module+0x52/0x260 Jun 7 09:29:22 enterprise kernel: [ 3.196835] load_module+0xb45/0xbe0 Jun 7 09:29:22 enterprise kernel: [ 3.196841] __do_sys_finit_module+0xbf/0x120 Jun 7 09:29:22 enterprise kernel: [ 3.196848] __x64_sys_finit_module+0x18/0x20 Jun 7 09:29:22 enterprise kernel: [ 3.196852] x64_sys_call+0x1ac3/0x1fa0 Jun 7 09:29:22 enterprise kernel: [ 3.196857] do_syscall_64+0x56/0xb0 Jun 7 09:29:22 enterprise kernel: [ 3.196861] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196865] ? fput+0x13/0x20 Jun 7 09:29:22 enterprise kernel: [ 3.196869] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196873] ? ksys_mmap_pgoff+0x154/0x2c0 Jun 7 09:29:22 enterprise kernel: [ 3.196878] ? exit_to_user_mode_prepare+0x37/0xb0 Jun 7 09:29:22 enterprise kernel: [ 3.196883] ? syscall_exit_to_user_mode+0x35/0x50 Jun 7 09:29:22 enterprise kernel: [ 3.196888] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196892] ? exit_to_user_mode_prepare+0x37/0xb0 Jun 7 09:29:22 enterprise kernel: [ 3.196896] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196900] ? syscall_exit_to_user_mode+0x35/0x50 Jun 7 09:29:22 enterprise kernel: [ 3.196904] ? x64_sys_call+0x3b9/0x1fa0 Jun 7 09:29:22 enterprise kernel: [ 3.196908] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196912] ? do_syscall_64+0x63/0xb0 Jun 7 09:29:22 enterprise kernel: [ 3.196916] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196920] ? do_syscall_64+0x63/0xb0 Jun 7 09:29:22 enterprise kernel: [ 3.196924] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196927] ? do_syscall_64+0x63/0xb0 Jun 7 09:29:22 enterprise kernel: [ 3.196931] ? do_syscall_64+0x63/0xb0 Jun 7 09:29:22 enterprise kernel: [ 3.196935] ? srso_return_thunk+0x5/0x10 Jun 7 09:29:22 enterprise kernel: [ 3.196939] ? do_syscall_64+0x63/0xb0 Jun 7 09:29:22 enterprise kernel: [ 3.196944] entry_SYSCALL_64_after_hwframe+0x67/0xd1 Jun 7 09:29:22 enterprise kernel: [ 3.196948] RIP: 0033:0x7fa26c59488d Jun 7 09:29:22 enterprise kernel: [ 3.196952] Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 b5 0f 00 f7 d8 64 89 01 48 Jun 7 09:29:22 enterprise kernel: [ 3.196960] RSP: 002b:00007ffee7f9e528 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 Jun 7 09:29:22 enterprise kernel: [ 3.196965] RAX: ffffffffffffffda RBX: 000055d753a10cc0 RCX: 00007fa26c59488d Jun 7 09:29:22 enterprise kernel: [ 3.196969] RDX: 0000000000000000 RSI: 00007fa26c72c441 RDI: 0000000000000018 Jun 7 09:29:22 enterprise kernel: [ 3.196973] RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000002 Jun 7 09:29:22 enterprise kernel: [ 3.196977] R10: 0000000000000018 R11: 0000000000000246 R12: 00007fa26c72c441 Jun 7 09:29:22 enterprise kernel: [ 3.196981] R13: 000055d753a15290 R14: 000055d753a024e0 R15: 000055d753a18440 Jun 7 09:29:22 enterprise kernel: [ 3.196987] Jun 7 09:29:22 enterprise kernel: [ 3.196990] Modules linked in: raid1 amdgpu(+) hid_generic iommu_v2 gpu_sched usbhid i2c_algo_bit uas hid drm_ttm_helper usb_storage ttm drm_kms_helper crct10dif_pclmul crc32_pclmul syscopyarea ghash_clmulni_intel sysfillrect sha256_ssse3 sysimgblt fb_sys_fops sha1_ssse3 cec aesni_intel rc_core crypto_simd cryptd drm i2c_piix4 r8169 ahci xhci_pci gpio_amdpt realtek libahci xhci_pci_renesas wmi video gpio_generic Jun 7 09:29:22 enterprise kernel: [ 3.197039] CR2: 000000000000013c Jun 7 09:29:22 enterprise kernel: [ 3.197042] ---[ end trace 2fddbe30abca59f9 ]--- Jun 7 09:29:22 enterprise kernel: [ 3.197045] RIP: 0010:amdgpu_dm_fini+0x149/0x1f0 [amdgpu] Jun 7 09:29:22 enterprise kernel: [ 3.197220] Code: 01 00 48 85 ff 74 10 e8 05 0e 27 00 48 c7 83 e0 4e 01 00 00 00 00 00 4c 8b 83 48 4f 01 00 4d 85 c0 74 66 48 8b 93 40 3e 01 00 <8b> 82 3c 01 00 00 85 c0 74 42 45 31 e4 49 63 c4 4c 8d 2c 40 4b 8b Jun 7 09:29:22 enterprise kernel: [ 3.197227] RSP: 0018:ffffc2d6013ab8d0 EFLAGS: 00010286 Jun 7 09:29:22 enterprise kernel: [ 3.197231] RAX: 0000000000000000 RBX: ffffa0835cea0000 RCX: 00000000810000f8 Jun 7 09:29:22 enterprise kernel: [ 3.197235] RDX: 0000000000000000 RSI: 00000000810000f8 RDI: ffffa08340042300 Jun 7 09:29:22 enterprise kernel: [ 3.197239] RBP: ffffc2d6013ab8e8 R08: ffffa0835e6d9ac0 R09: 0000000000000000 Jun 7 09:29:22 enterprise kernel: [ 3.197243] R10: 0000000000000001 R11: dead000000000100 R12: ffffa0835cea0000 Jun 7 09:29:22 enterprise kernel: [ 3.197247] R13: ffffa0835cea0070 R14: 0000000000000007 R15: 0000000000000001 Jun 7 09:29:22 enterprise kernel: [ 3.197251] FS: 00007fa26be9a8c0(0000) GS:ffffa08a60a40000(0000) knlGS:0000000000000000 Jun 7 09:29:22 enterprise kernel: [ 3.197256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 7 09:29:22 enterprise kernel: [ 3.197259] CR2: 000000000000013c CR3: 000000011b89c000 CR4: 00000000003506e0