Re: AMDGPU crash on 5.4.7 on AMD Athlon 3000G APU

[A L]

On 2020-01-02 21:54, A L wrote:
> Dear all,
>
> There seems to be a regression between kernel 5.4.6 and 5.4.7. When I 
> change from kernel 5.4.6 to kernel 5.4.7 I can no longer load the 
> AMDGPU driver. The kernel immediately crashes with the following stack 
> trace and errors. The system has to be hard reset to boot again.
>
> [Â 320.086318] [drm] amdgpu kernel modesetting enabled.
> [Â 320.086382] Parsing CRAT table with 1 nodes
> [Â 320.086388] Creating topology SYSFS entries
> [Â 320.086425] Topology: Add APU node [0x0:0x0]
> [Â 320.086427] Finished initializing topology
> [Â 320.086545] amdgpu 0000:06:00.0: 
> remove_conflicting_pci_framebuffers: bar 0: 0xe0000000 -> 0xefffffff
> [Â 320.086549] amdgpu 0000:06:00.0: 
> remove_conflicting_pci_framebuffers: bar 2: 0xf0000000 -> 0xf01fffff
> [Â 320.086552] amdgpu 0000:06:00.0: 
> remove_conflicting_pci_framebuffers: bar 5: 0xfce00000 -> 0xfce7ffff
> [Â 320.086554] checking generic (e0000000 7f0000) vs hw (e0000000 
> 10000000)
> [Â 320.086557] fb0: switching to amdgpudrmfb from VESA VGA
> [Â 320.086647] Console: switching to colour dummy device 80x25
> [Â 320.086673] amdgpu 0000:06:00.0: vgaarb: deactivate vga console
> [Â 320.086839] [drm] initializing kernel modesetting (RAVEN 
> 0x1002:0x15D8 0x1002:0x15D8 0xCC).
> [Â 320.086850] [drm] register mmio base: 0xFCE00000
> [Â 320.086851] [drm] register mmio size: 524288
> [Â 320.086868] [drm] add ip block number 0 <soc15_common>
> [Â 320.086869] [drm] add ip block number 1 <gmc_v9_0>
> [Â 320.086869] [drm] add ip block number 2 <vega10_ih>
> [Â 320.086870] [drm] add ip block number 3 <psp>
> [Â 320.086870] [drm] add ip block number 4 <gfx_v9_0>
> [Â 320.086871] [drm] add ip block number 5 <sdma_v4_0>
> [Â 320.086871] [drm] add ip block number 6 <powerplay>
> [Â 320.086872] [drm] add ip block number 7 <dm>
> [Â 320.086873] [drm] add ip block number 8 <vcn_v1_0>
> [Â 320.112116] [drm] BIOS signature incorrect 0 0
> [Â 320.112142] ATOM BIOS: 113-RAVEN2-115
> [Â 320.112773] [drm] VCN decode is enabled in VM mode
> [Â 320.112774] [drm] VCN encode is enabled in VM mode
> [Â 320.112774] [drm] VCN jpeg decode is enabled in VM mode
> [Â 320.112807] [drm] vm size is 262144 GB, 3 levels, block size is 
> 9-bit, fragment size is 9-bit
> [Â 320.112813] amdgpu 0000:06:00.0: VRAM: 2048M 0x000000F400000000 - 
> 0x000000F47FFFFFFF (2048M used)
> [Â 320.112814] amdgpu 0000:06:00.0: GART: 1024M 0x0000000000000000 - 
> 0x000000003FFFFFFF
> [Â 320.112815] amdgpu 0000:06:00.0: AGP: 267419648M 0x000000F800000000 
> - 0x0000FFFFFFFFFFFF
> [Â 320.112818] [drm] Detected VRAM RAM=2048M, BAR=2048M
> [Â 320.112818] [drm] RAM width 128bits DDR4
> [ 320.112858] [TTM] Zone kernel: Available graphics memory: 3052426 KiB
> [Â 320.112858] [TTM] ZoneÂÂ dma32: Available graphics memory: 2097152 KiB
> [Â 320.112859] [TTM] Initializing pool allocator
> [Â 320.112861] [TTM] Initializing DMA pool allocator
> [Â 320.112913] [drm] amdgpu: 2048M of VRAM memory ready
> [Â 320.112915] [drm] amdgpu: 3072M of GTT memory ready.
> [Â 320.112923] [drm] GART: num cpu pages 262144, num gpu pages 262144
> [Â 320.113067] [drm] PCIE GART of 1024M enabled (table at 
> 0x000000F400900000).
> [Â 320.119226] [drm] use_doorbell being set to: [true]
> [Â 320.119270] amdgpu: [powerplay] hwmgr_sw_init smu backed is smu10_smu
> [Â 320.121347] [drm] Found VCN firmware Version: 1.86 Family ID: 18
> [Â 320.121354] [drm] PSP loading VCN firmware
> [Â 320.142076] [drm] reserve 0x400000 from 0xf47fc00000 for PSP TMR
> [Â 320.202902] [drm] failed to load ucode id (18)
> [Â 320.202904] [drm] psp command failed and response status is (0x300F)
> [Â 320.205881] [drm] failed to load ucode id (19)
> [Â 320.205883] [drm] psp command failed and response status is (0xF)
> [Â 320.208882] [drm] failed to load ucode id (20)
> [Â 320.208883] [drm] psp command failed and response status is (0xF)
> [Â 320.229776] [drm] DM_PPLIB: values for F clock
> [Â 320.229778] [drm] DM_PPLIB:ÂÂÂ Â0 in kHz, 3649 in mV
> [Â 320.229779] [drm] DM_PPLIB:ÂÂÂ Â0 in kHz, 0 in mV
> [Â 320.229780] [drm] DM_PPLIB:ÂÂÂ Â0 in kHz, 0 in mV
> [Â 320.229780] [drm] DM_PPLIB:ÂÂÂ Â0 in kHz, 0 in mV
> [Â 320.229797] ------------[ cut here ]------------
> [Â 320.229949] WARNING: CPU: 1 PID: 5908 at 
> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:1464 
> dcn_bw_update_from_pplib+0x94/0x2c0 [amdgpu]
> [Â 320.229950] Modules linked in: amdgpu(+) gpu_sched ttm 
> ip_set_hash_ip xt_state ip6t_REJECT nf_reject_ipv6 ip6table_filter 
> ip6table_raw ip6table_mangle xt_multiport ip6table_nat nfnetlink_log 
> xt_limit xt_NFLOG ipt_REJECT nf_reject_ipv4 xt_conntrack 
> iptable_filter iptable_mangle xt_nat iptable_nat xt_CT iptable_raw 
> ip_set_bitmap_port ip_set_hash_net nf_nat_pptp nf_conntrack_pptp 
> nf_nat xt_sctp nf_conntrack_sip nf_conntrack_irc nf_conntrack_ftp 
> nf_conntrack_h323 nf_conntrack_netbios_ns nf_conntrack_broadcast 
> nf_conntrack_bridge nf_conntrack nf_defrag_ipv6 ip6_tables ip_tables 
> xt_recent xt_set ip_set nfnetlink nf_defrag_ipv4 nf_socket_ipv4 uas 
> pinctrl_amd
> [Â 320.229974] CPU: 1 PID: 5908 Comm: modprobe Not tainted 
> 5.4.7-gentoo-test2 #3
> [Â 320.229975] Hardware name: Gigabyte Technology Co., Ltd. B450M 
> DS3H/B450M DS3H-CF, BIOS F50 11/27/2019
> [Â 320.230113] RIP: 0010:dcn_bw_update_from_pplib+0x94/0x2c0 [amdgpu]
> [Â 320.230116] Code: 0c 24 85 c9 74 24 8d 71 ff 48 8d 44 24 04 48 8d 
> 54 f4 0c eb 0d 48 83 c0 08 48 39 d0 0f 84 13 01 00 00 44 8b 00 45 85 
> c0 75 eb <0f> 0b e8 65 3e d4 e0 4c 89 e2 be 04 00 00 00 4c 89 ef e8 a5 
> 9b fe
> [Â 320.230117] RSP: 0018:ffffc9000045b700 EFLAGS: 00010246
> [Â 320.230119] RAX: ffffc9000045b704 RBX: ffff88812c700000 RCX: 
> 0000000000000004
> [Â 320.230120] RDX: ffffc9000045b724 RSI: 0000000000000003 RDI: 
> ffff888218856350
> [Â 320.230121] RBP: ffffc9000045b840 R08: 0000000000000000 R09: 
> 00000000000003c5
> [Â 320.230122] R10: 0000000000000001 R11: 0000000000000000 R12: 
> ffffc9000045b790
> [Â 320.230123] R13: ffff8881341c8980 R14: 0000000000000001 R15: 
> 000000000000000b
> [Â 320.230125] FS:Â 00007ff865e7db80(0000) GS:ffff888218840000(0000) 
> knlGS:0000000000000000
> [Â 320.230126] CS:Â 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [Â 320.230127] CR2: 00007fd68de9f540 CR3: 000000012c4f8000 CR4: 
> 00000000003406e0
> [Â 320.230128] Call Trace:
> [Â 320.230135]Â ? kmem_cache_alloc+0xe6/0x180
> [Â 320.230271]Â dcn10_create_resource_pool+0x7d9/0xb10 [amdgpu]
> [Â 320.230406]Â ? firmware_parser_create+0x6fb/0x720 [amdgpu]
> [Â 320.230533]Â dc_create_resource_pool+0x21/0x100 [amdgpu]
> [Â 320.230660]Â dc_create+0x206/0x680 [amdgpu]
> [Â 320.230663]Â ? kmem_cache_alloc+0xe6/0x180
> [Â 320.230795]Â amdgpu_dm_init+0x138/0x1c0 [amdgpu]
> [Â 320.230800]Â ? common_interrupt+0xa/0xf
> [Â 320.230929]Â ? phm_wait_for_register_unequal.part.0+0x44/0x70 [amdgpu]
> [Â 320.231059]Â dm_hw_init+0x9/0x20 [amdgpu]
> [Â 320.231191]Â amdgpu_device_init.cold+0xf47/0x129e [amdgpu]
> [Â 320.231194]Â ? __alloc_pages_nodemask+0x128/0x240
> [Â 320.231300]Â amdgpu_driver_load_kms+0x44/0xe0 [amdgpu]
> [Â 320.231305]Â drm_dev_register+0x109/0x150
> [Â 320.231410]Â amdgpu_pci_probe+0xe9/0x150 [amdgpu]
> [Â 320.231414]Â ? __pm_runtime_resume+0x44/0x50
> [Â 320.231417]Â local_pci_probe+0x38/0x70
> [Â 320.231419]Â ? pci_match_device+0xd2/0x100
> [Â 320.231422]Â pci_device_probe+0xe4/0x190
> [Â 320.231425]Â really_probe+0xdf/0x290
> [Â 320.231427]Â driver_probe_device+0x4b/0xc0
> [Â 320.231430]Â device_driver_attach+0x4e/0x60
> [Â 320.231432]Â __driver_attach+0x44/0xb0
> [Â 320.231434]Â ? device_driver_attach+0x60/0x60
> [Â 320.231436]Â bus_for_each_dev+0x5c/0x90
> [Â 320.231438]Â bus_add_driver+0x16d/0x1c0
> [Â 320.231440]Â driver_register+0x67/0xb0
> [Â 320.231442]Â ? 0xffffffffa0597000
> [Â 320.231444]Â do_one_initcall+0x44/0x16f
> [Â 320.231447]Â ? __vunmap+0x223/0x260
> [Â 320.231449]Â ? kmem_cache_alloc+0xe6/0x180
> [Â 320.231452]Â do_init_module+0x51/0x200
> [Â 320.231455]Â load_module+0x20d6/0x23d0
> [Â 320.231458]Â ? vfs_read+0x117/0x140
> [Â 320.231461]Â ? __do_sys_finit_module+0x9b/0xb0
> [Â 320.231464]Â __do_sys_finit_module+0x9b/0xb0
> [Â 320.231466]Â do_syscall_64+0x3d/0x100
> [Â 320.231469]Â entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [Â 320.231471] RIP: 0033:0x7ff865f9e289
> [Â 320.231474] Code: 00 00 00 75 05 48 83 c4 18 c3 e8 c2 5f 01 00 66 
> 90 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 d7 4b 09 00 f7 d8 64 89 
> 01 48
> [Â 320.231475] RSP: 002b:00007ffe140b9878 EFLAGS: 00000246 ORIG_RAX: 
> 0000000000000139
> [Â 320.231476] RAX: ffffffffffffffda RBX: 000055eeb9140ab0 RCX: 
> 00007ff865f9e289
> [Â 320.231477] RDX: 0000000000000000 RSI: 000055eeb8c5533c RDI: 
> 0000000000000005
> [Â 320.231478] RBP: 0000000000040000 R08: 0000000000000000 R09: 
> 000055eeb9140ca0
> [Â 320.231479] R10: 0000000000000005 R11: 0000000000000246 R12: 
> 000055eeb8c5533c
> [Â 320.231480] R13: 0000000000000000 R14: 000055eeb9140be0 R15: 
> 000055eeb9140ab0
> [Â 320.231482] ---[ end trace 4d7f7927484d9651 ]---
> [Â 320.231529] [drm] DM_PPLIB: values for DCF clock
> [Â 320.231530] [drm] DM_PPLIB:ÂÂÂ Â300000 in kHz, 3649 in mV
> [Â 320.231531] [drm] DM_PPLIB:ÂÂÂ Â600000 in kHz, 3974 in mV
> [Â 320.231532] [drm] DM_PPLIB:ÂÂÂ Â626000 in kHz, 4174 in mV
> [Â 320.231532] [drm] DM_PPLIB:ÂÂÂ Â654000 in kHz, 4325 in mV
> [Â 320.237932] [drm] Display Core initialized with v3.2.48!
> [Â 320.238368] [drm] Supports vblank timestamp caching Rev 2 
> (21.10.2013).
> [Â 320.238369] [drm] Driver supports precise vblank timestamp query.
> [Â 320.249980] [drm] VCN decode and encode initialized 
> successfully(under SPG Mode).
> [Â 320.251158] kfd kfd: Allocated 3969056 bytes on gart
> [Â 320.251662] kfd kfd: Failed to resume IOMMU for device 1002:15d8
> [Â 320.251891] kfd kfd: device 1002:15d8 NOT added due to errors
> [Â 320.251962] [drm] Cannot find any crtc or sizes
> [Â 320.252163] amdgpu 0000:06:00.0: ring gfx uses VM inv eng 0 on hub 0
> [Â 320.252167] amdgpu 0000:06:00.0: ring comp_1.0.0 uses VM inv eng 1 
> on hub 0
> [Â 320.252169] amdgpu 0000:06:00.0: ring comp_1.1.0 uses VM inv eng 4 
> on hub 0
> [Â 320.252172] amdgpu 0000:06:00.0: ring comp_1.2.0 uses VM inv eng 5 
> on hub 0
> [Â 320.252174] amdgpu 0000:06:00.0: ring comp_1.3.0 uses VM inv eng 6 
> on hub 0
> [Â 320.252176] amdgpu 0000:06:00.0: ring comp_1.0.1 uses VM inv eng 7 
> on hub 0
> [Â 320.252178] amdgpu 0000:06:00.0: ring comp_1.1.1 uses VM inv eng 8 
> on hub 0
> [Â 320.252181] amdgpu 0000:06:00.0: ring comp_1.2.1 uses VM inv eng 9 
> on hub 0
> [Â 320.252183] amdgpu 0000:06:00.0: ring comp_1.3.1 uses VM inv eng 10 
> on hub 0
> [Â 320.252185] amdgpu 0000:06:00.0: ring kiq_2.1.0 uses VM inv eng 11 
> on hub 0
> [Â 320.252186] amdgpu 0000:06:00.0: ring sdma0 uses VM inv eng 0 on hub 1
> [Â 320.252188] amdgpu 0000:06:00.0: ring vcn_dec uses VM inv eng 1 on 
> hub 1
> [Â 320.252190] amdgpu 0000:06:00.0: ring vcn_enc0 uses VM inv eng 4 on 
> hub 1
> [Â 320.252192] amdgpu 0000:06:00.0: ring vcn_enc1 uses VM inv eng 5 on 
> hub 1
> [Â 320.252194] amdgpu 0000:06:00.0: ring vcn_jpeg uses VM inv eng 6 on 
> hub 1
> [Â 320.401903] AMD-Vi: Completion-Wait loop timed out
> [Â 320.542017] AMD-Vi: Completion-Wait loop timed out
> [Â 320.682015] AMD-Vi: Completion-Wait loop timed out
> [Â 320.822091] AMD-Vi: Completion-Wait loop timed out
> [Â 320.962130] AMD-Vi: Completion-Wait loop timed out
> [Â 321.088018] AMD-Vi: Completion-Wait loop timed out
> [Â 321.214038] AMD-Vi: Completion-Wait loop timed out
> [Â 321.263146] iommu ivhd0: AMD-Vi: Event logged [IOTLB_INV_TIMEOUT 
> device=06:00.0 address=0x217879410]
> [Â 322.278079] clocksource: timekeeping watchdog on CPU3: Marking 
> clocksource 'tsc' as unstable because the skew is too large:
> [Â 322.278081] clocksource:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 'hpet' wd_now: 
> 1327ac6e wd_last: 129c4f3c mask: ffffffff
> [Â 322.278082] clocksource:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 'tsc' cs_now: 
> 11ce84c06c0 cs_last: 11c76631aad mask: ffffffffffffffff
> [Â 322.278084] tsc: Marking TSC unstable due to clocksource watchdog
> [Â 322.369132] TSC found unstable after boot, most likely due to 
> broken BIOS. Use 'tsc=unstable'.
> [Â 322.369134] sched_clock: Marking unstable (322385637527, 
> -16091409)<-(322450384861, -81255237)
> [Â 322.734191] clocksource: Switched to clocksource hpet
> [Â 336.585879] hpet: Lost 4 RTC interrupts
>
> * The full paste is available at (1)
> * lspci -vk paste is available at (2)
> * kernel .config is available at (3)
> * sys-kernel/linux-firmware-20191215 is installed.
>
> The previous kernel 5.4.6 worked with no crashes. There was still the 
> same stack trace, but no "Wait loop timed out" or "iommu ivhd0: 
> AMD-Vi" error. Same kernel .config was used for both kernels.
>
> The system is small headless machine with the new low-power AMD Athlon 
> 3000G APU with integrated VEGA 3 graphics (4)
> Motherboard is a Gigabyte B450M. Two intel PCIe NICs are present.
>
> 1) http://dpaste.com/0X9FWCW
> 2) http://dpaste.com/10R7J9H
> 3) http://dpaste.com/064XG5E
> 4) https://www.amd.com/en/products/apu/amd-athlon-3000g
>
> Regards,
> Anders

I booted with an older kernel 5.3.0 on the Ubuntu LiveDVD. There is no 
crash, but still the stack trace. I have cut the relevant part from the 
dmesg output here:

[ÂÂÂ 3.046913] AMD-Vi: AMD IOMMUv2 driver by Joerg Roedel <jroedel@xxxxxxx>
[ÂÂÂ 3.091033] [drm] amdgpu kernel modesetting enabled.
[ÂÂÂ 3.091107] Parsing CRAT table with 1 nodes
[ÂÂÂ 3.091110] Creating topology SYSFS entries
[ÂÂÂ 3.091128] Topology: Add APU node [0x0:0x0]
[ÂÂÂ 3.091128] Finished initializing topology
[ÂÂÂ 3.091191] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: 
bar 0: 0xe0000000 -> 0xefffffff
[ÂÂÂ 3.091192] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: 
bar 2: 0xf0000000 -> 0xf01fffff
[ÂÂÂ 3.091194] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: 
bar 5: 0xfce00000 -> 0xfce7ffff
[ÂÂÂ 3.091196] amdgpu 0000:06:00.0: vgaarb: deactivate vga console
[ÂÂÂ 3.092292] Console: switching to colour dummy device 80x25
[ÂÂÂ 3.093357] [drm] initializing kernel modesetting (RAVEN 
0x1002:0x15D8 0x1002:0x15D8 0xCC).
[ÂÂÂ 3.093370] [drm] register mmio base: 0xFCE00000
[ÂÂÂ 3.093370] [drm] register mmio size: 524288
[ÂÂÂ 3.093393] [drm] add ip block number 0 <soc15_common>
[ÂÂÂ 3.093393] [drm] add ip block number 1 <gmc_v9_0>
[ÂÂÂ 3.093394] [drm] add ip block number 2 <vega10_ih>
[ÂÂÂ 3.093394] [drm] add ip block number 3 <psp>
[ÂÂÂ 3.093395] [drm] add ip block number 4 <gfx_v9_0>
[ÂÂÂ 3.093396] [drm] add ip block number 5 <sdma_v4_0>
[ÂÂÂ 3.093396] [drm] add ip block number 6 <powerplay>
[ÂÂÂ 3.093397] [drm] add ip block number 7 <dm>
[ÂÂÂ 3.093397] [drm] add ip block number 8 <vcn_v1_0>
[ÂÂÂ 3.116538] [drm] BIOS signature incorrect 5b 7
[ÂÂÂ 3.116571] ATOM BIOS: 113-RAVEN2-115
[ÂÂÂ 3.116609] [drm] VCN decode is enabled in VM mode
[ÂÂÂ 3.116609] [drm] VCN encode is enabled in VM mode
[ÂÂÂ 3.116610] [drm] VCN jpeg decode is enabled in VM mode
[ÂÂÂ 3.116650] [drm] vm size is 262144 GB, 3 levels, block size is 
9-bit, fragment size is 9-bit
[ÂÂÂ 3.116663] amdgpu 0000:06:00.0: VRAM: 2048M 0x000000F400000000 - 
0x000000F47FFFFFFF (2048M used)
[ÂÂÂ 3.116665] amdgpu 0000:06:00.0: GART: 1024M 0x0000000000000000 - 
0x000000003FFFFFFF
[ÂÂÂ 3.116666] amdgpu 0000:06:00.0: AGP: 267419648M 0x000000F800000000 - 
0x0000FFFFFFFFFFFF
[ÂÂÂ 3.116671] [drm] Detected VRAM RAM=2048M, BAR=2048M
[ÂÂÂ 3.116672] [drm] RAM width 128bits DDR4
[ 3.116710] [TTM] Zone kernel: Available graphics memory: 3049520 KiB
[ÂÂÂ 3.116711] [TTM] ZoneÂÂ dma32: Available graphics memory: 2097152 KiB
[ÂÂÂ 3.116711] [TTM] Initializing pool allocator
[ÂÂÂ 3.116715] [TTM] Initializing DMA pool allocator
[ÂÂÂ 3.116803] [drm] amdgpu: 2048M of VRAM memory ready
[ÂÂÂ 3.116806] [drm] amdgpu: 3072M of GTT memory ready.
[ÂÂÂ 3.116820] [drm] GART: num cpu pages 262144, num gpu pages 262144
[ÂÂÂ 3.116959] [drm] PCIE GART of 1024M enabled (table at 
0x000000F400900000).
[ÂÂÂ 3.118554] [drm] use_doorbell being set to: [true]
[ÂÂÂ 3.118588] amdgpu: [powerplay] hwmgr_sw_init smu backed is smu10_smu
[ÂÂÂ 3.118712] [drm] Found VCN firmware Version: 1.86 Family ID: 18
[ÂÂÂ 3.118715] [drm] PSP loading VCN firmware
[ÂÂÂ 3.139499] [drm] reserve 0x400000 from 0xf400c00000 for PSP TMR
[ÂÂÂ 3.305092] [drm] failed to load ucode id (12)
[ÂÂÂ 3.305093] [drm] psp command failed and response status is (-53233)
[ÂÂÂ 3.317092] [drm] failed to load ucode id (13)
[ÂÂÂ 3.317094] [drm] psp command failed and response status is (-65521)
[ÂÂÂ 3.329085] [drm] failed to load ucode id (14)
[ÂÂÂ 3.329086] [drm] psp command failed and response status is (-65521)
[ÂÂÂ 3.368639] [drm] DM_PPLIB: values for F clock
[ÂÂÂ 3.368641] [drm] DM_PPLIB:ÂÂÂ Â0 in kHz, 3649 in mV
[ÂÂÂ 3.368641] [drm] DM_PPLIB:ÂÂÂ Â0 in kHz, 0 in mV
[ÂÂÂ 3.368642] [drm] DM_PPLIB:ÂÂÂ Â0 in kHz, 0 in mV
[ÂÂÂ 3.368642] [drm] DM_PPLIB:ÂÂÂ Â0 in kHz, 0 in mV
[ÂÂÂ 3.368643] ------------[ cut here ]------------
[ÂÂÂ 3.368756] WARNING: CPU: 1 PID: 215 at 
drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:1452 
dcn_bw_update_from_pplib.cold+0x7f/0xa8 [amdgpu]
[ÂÂÂ 3.368756] Modules linked in: uas usb_storage crct10dif_pclmul 
crc32_pclmul ghash_clmulni_intel amdgpu(+) amd_iommu_v2 gpu_sched 
i2c_algo_bit ttm drm_kms_helper aesni_intel syscopyarea sysfillrect 
aes_x86_64 sysimgblt crypto_simd fb_sys_fops cryptd glue_helper drm 
e1000e ahci libahci r8169 i2c_piix4 realtek wmi video gpio_amdpt 
gpio_generic
[ÂÂÂ 3.368769] CPU: 1 PID: 215 Comm: systemd-udevd Not tainted 
5.3.0-18-generic #19-Ubuntu
[ÂÂÂ 3.368770] Hardware name: Gigabyte Technology Co., Ltd. B450M 
DS3H/B450M DS3H-CF, BIOS F50 11/27/2019
[ÂÂÂ 3.368862] RIP: 0010:dcn_bw_update_from_pplib.cold+0x7f/0xa8 [amdgpu]
[ÂÂÂ 3.368864] Code: 48 8b 93 60 03 00 00 db 42 78 83 f9 02 77 37 b8 02 
00 00 00 8d 71 ff e9 fb bf f3 ff 48 c7 c7 80 64 b6 c0 31 c0 e8 4c 09 c6 
d5 <0f> 0b e9 96 c0 f3 ff 48 c7 c7 80 64 b6 c0 31 c0 e8 37 09 c6 d5 0f
[ÂÂÂ 3.368865] RSP: 0018:ffffa1af0057f598 EFLAGS: 00010246
[ÂÂÂ 3.368866] RAX: 0000000000000024 RBX: ffff8d47c4f70000 RCX: 
000000000000035c
[ÂÂÂ 3.368867] RDX: 0000000000000000 RSI: 0000000000000092 RDI: 
0000000000000247
[ÂÂÂ 3.368868] RBP: ffffa1af0057f6e8 R08: 000000000000035c R09: 
0000000000000004
[ÂÂÂ 3.368868] R10: 0000000000000000 R11: 0000000000000001 R12: 
ffffa1af0057f638
[ÂÂÂ 3.368869] R13: ffff8d47c493a980 R14: 0000000000000001 R15: 
ffff8d47d5b1d8c0
[ÂÂÂ 3.368870] FS:Â 00007f06b6048880(0000) GS:ffff8d47d8640000(0000) 
knlGS:0000000000000000
[ÂÂÂ 3.368871] CS:Â 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ÂÂÂ 3.368872] CR2: 00007f275d071e04 CR3: 000000020717a000 CR4: 
00000000003406e0
[ÂÂÂ 3.368873] Call Trace:
[ÂÂÂ 3.368968]Â construct+0x994/0xa50 [amdgpu]
[ÂÂÂ 3.368972]Â ? _cond_resched+0x19/0x30
[ÂÂÂ 3.368974]Â ? kmem_cache_alloc_trace+0x19c/0x230
[ÂÂÂ 3.369063]Â dcn10_create_resource_pool+0x41/0x60 [amdgpu]
[ÂÂÂ 3.369151]Â dc_create_resource_pool+0x1b0/0x1d0 [amdgpu]
[ÂÂÂ 3.369241]Â ? dal_gpio_service_create+0x9f/0xe0 [amdgpu]
[ÂÂÂ 3.369326]Â construct+0x21a/0x590 [amdgpu]
[ÂÂÂ 3.369329]Â ? kmalloc_order_trace+0x24/0xa0
[ÂÂÂ 3.369413]Â dc_create+0x3b/0x100 [amdgpu]
[ÂÂÂ 3.369501]Â amdgpu_dm_init+0x129/0x1a0 [amdgpu]
[ÂÂÂ 3.369587]Â dm_hw_init+0x13/0x30 [amdgpu]
[ÂÂÂ 3.369676]Â amdgpu_device_ip_init+0x345/0x3df [amdgpu]
[ÂÂÂ 3.369763]Â amdgpu_device_init.cold+0x7e0/0xbb4 [amdgpu]
[ÂÂÂ 3.369827]Â amdgpu_driver_load_kms+0x8d/0x200 [amdgpu]
[ÂÂÂ 3.369839]Â drm_dev_register+0x12f/0x170 [drm]
[ÂÂÂ 3.369901]Â amdgpu_pci_probe+0xc6/0x130 [amdgpu]
[ÂÂÂ 3.369904]Â ? __pm_runtime_resume+0x60/0x80
[ÂÂÂ 3.369906]Â local_pci_probe+0x48/0x80
[ÂÂÂ 3.369908]Â pci_device_probe+0x10f/0x1b0
[ÂÂÂ 3.369910]Â really_probe+0xfb/0x3a0
[ÂÂÂ 3.369912]Â driver_probe_device+0x5f/0xe0
[ÂÂÂ 3.369914]Â device_driver_attach+0x5d/0x70
[ÂÂÂ 3.369916]Â __driver_attach+0x8f/0x150
[ÂÂÂ 3.369917]Â ? device_driver_attach+0x70/0x70
[ÂÂÂ 3.369919]Â bus_for_each_dev+0x7e/0xc0
[ÂÂÂ 3.369920]Â driver_attach+0x1e/0x20
[ÂÂÂ 3.369922]Â bus_add_driver+0x14f/0x1f0
[ÂÂÂ 3.369924]Â driver_register+0x74/0xc0
[ÂÂÂ 3.369925]Â __pci_register_driver+0x57/0x60
[ÂÂÂ 3.369992]Â amdgpu_init+0x83/0x8d [amdgpu]
[ÂÂÂ 3.369994]Â ? 0xffffffffc0c5a000
[ÂÂÂ 3.369996]Â do_one_initcall+0x4a/0x1fa
[ÂÂÂ 3.369998]Â ? kfree+0x1ef/0x210
[ÂÂÂ 3.369999]Â ? _cond_resched+0x19/0x30
[ÂÂÂ 3.370001]Â ? kmem_cache_alloc_trace+0x19c/0x230
[ÂÂÂ 3.370003]Â do_init_module+0x62/0x250
[ÂÂÂ 3.370005]Â load_module+0x10d4/0x1220
[ÂÂÂ 3.370008]Â __do_sys_finit_module+0xbe/0x120
[ÂÂÂ 3.370009]Â ? __do_sys_finit_module+0xbe/0x120
[ÂÂÂ 3.370012]Â __x64_sys_finit_module+0x1a/0x20
[ÂÂÂ 3.370013]Â do_syscall_64+0x5a/0x130
[ÂÂÂ 3.370015]Â entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ÂÂÂ 3.370017] RIP: 0033:0x7f06b65bb94d
[ÂÂÂ 3.370018] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 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 13 e5 0c 00 f7 d8 64 89 01 48
[ÂÂÂ 3.370019] RSP: 002b:00007ffec39a34d8 EFLAGS: 00000246 ORIG_RAX: 
0000000000000139
[ÂÂÂ 3.370020] RAX: ffffffffffffffda RBX: 000056352f169ca0 RCX: 
00007f06b65bb94d
[ÂÂÂ 3.370021] RDX: 0000000000000000 RSI: 00007f06b6498cad RDI: 
0000000000000014
[ÂÂÂ 3.370022] RBP: 00007f06b6498cad R08: 0000000000000000 R09: 
000056352f169ca0
[ÂÂÂ 3.370022] R10: 0000000000000014 R11: 0000000000000246 R12: 
0000000000000000
[ÂÂÂ 3.370023] R13: 000056352f160720 R14: 0000000000020000 R15: 
000056352f169ca0
[ÂÂÂ 3.370025] ---[ end trace 95b4936742504bed ]---
[ÂÂÂ 3.370030] [drm] DM_PPLIB: values for DCF clock
[ÂÂÂ 3.370031] [drm] DM_PPLIB:ÂÂÂ Â300000 in kHz, 3649 in mV
[ÂÂÂ 3.370032] [drm] DM_PPLIB:ÂÂÂ Â600000 in kHz, 3974 in mV
[ÂÂÂ 3.370032] [drm] DM_PPLIB:ÂÂÂ Â626000 in kHz, 4174 in mV
[ÂÂÂ 3.370033] [drm] DM_PPLIB:ÂÂÂ Â654000 in kHz, 4325 in mV
[ÂÂÂ 3.372628] [drm] Display Core initialized with v3.2.35!
[ÂÂÂ 3.397737] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ÂÂÂ 3.397738] [drm] Driver supports precise vblank timestamp query.
[ÂÂÂ 3.410902] [drm] VCN decode and encode initialized 
successfully(under SPG Mode).
[ÂÂÂ 3.412071] kfd kfd: Allocated 3969056 bytes on gart
[ÂÂÂ 3.412648] kfd kfd: Failed to resume IOMMU for device 1002:15d8
[ÂÂÂ 3.412803] kfd kfd: device 1002:15d8 NOT added due to errors
[ÂÂÂ 3.414026] [drm] fb mappable at 0x61000000
[ÂÂÂ 3.414026] [drm] vram apper at 0x60000000
[ÂÂÂ 3.414027] [drm] size 8294400
[ÂÂÂ 3.414027] [drm] fb depth is 24
[ÂÂÂ 3.414027] [drm]ÂÂÂ pitch is 7680
[ÂÂÂ 3.414074] fbcon: amdgpudrmfb (fb0) is primary device
[ÂÂÂ 3.435129] Console: switching to colour frame buffer device 240x67
[ÂÂÂ 3.453891] amdgpu 0000:06:00.0: fb0: amdgpudrmfb frame buffer device
[ÂÂÂ 3.477163] amdgpu 0000:06:00.0: ring gfx uses VM inv eng 0 on hub 0
[ÂÂÂ 3.477165] amdgpu 0000:06:00.0: ring comp_1.0.0 uses VM inv eng 1 on 
hub 0
[ÂÂÂ 3.477167] amdgpu 0000:06:00.0: ring comp_1.1.0 uses VM inv eng 4 on 
hub 0
[ÂÂÂ 3.477168] amdgpu 0000:06:00.0: ring comp_1.2.0 uses VM inv eng 5 on 
hub 0
[ÂÂÂ 3.477169] amdgpu 0000:06:00.0: ring comp_1.3.0 uses VM inv eng 6 on 
hub 0
[ÂÂÂ 3.477170] amdgpu 0000:06:00.0: ring comp_1.0.1 uses VM inv eng 7 on 
hub 0
[ÂÂÂ 3.477171] amdgpu 0000:06:00.0: ring comp_1.1.1 uses VM inv eng 8 on 
hub 0
[ÂÂÂ 3.477172] amdgpu 0000:06:00.0: ring comp_1.2.1 uses VM inv eng 9 on 
hub 0
[ÂÂÂ 3.477173] amdgpu 0000:06:00.0: ring comp_1.3.1 uses VM inv eng 10 
on hub 0
[ÂÂÂ 3.477174] amdgpu 0000:06:00.0: ring kiq_2.1.0 uses VM inv eng 11 on 
hub 0
[ÂÂÂ 3.477175] amdgpu 0000:06:00.0: ring sdma0 uses VM inv eng 0 on hub 1
[ÂÂÂ 3.477177] amdgpu 0000:06:00.0: ring vcn_dec uses VM inv eng 1 on hub 1
[ÂÂÂ 3.477178] amdgpu 0000:06:00.0: ring vcn_enc0 uses VM inv eng 4 on hub 1
[ÂÂÂ 3.477179] amdgpu 0000:06:00.0: ring vcn_enc1 uses VM inv eng 5 on hub 1
[ÂÂÂ 3.477180] amdgpu 0000:06:00.0: ring vcn_jpeg uses VM inv eng 6 on hub 1

Full kernel dmesg is available at http://dpaste.com/1K7JRV3