I noticed the follow in /var/log/kern.log when I passed through two RX580 to the same Ubuntu 19.10 VM:
root@over-zfs-test-1:/var/log# grep amd kern.log Mar 14 19:13:31 over-zfs-test-1 kernel: [ 0.000000] Linux version 5.3.0-40-generic (buildd@lcy01-amd64-026) (gcc version 9.2.1 20191008 (Ubuntu 9.2.1-9ubuntu2)) #32-Ubuntu SMP Fri Jan 31 20:24:34 UTC 2020 (Ubuntu 5.3.0-40.32-generic 5.3.18) Mar 14 19:13:31 over-zfs-test-1 kernel: [ 5.896408] [drm] amdgpu kernel modesetting enabled. Mar 14 19:13:31 over-zfs-test-1 kernel: [ 5.899443] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 0: 0x1200000000 -> 0x13ffffffff Mar 14 19:13:31 over-zfs-test-1 kernel: [ 5.899495] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 2: 0x1400000000 -> 0x14001fffff Mar 14 19:13:31 over-zfs-test-1 kernel: [ 5.899560] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 5: 0xfc200000 -> 0xfc23ffff Mar 14 19:13:31 over-zfs-test-1 kernel: [ 6.324289] amdgpu 0000:06:00.0: GPU pci config reset Mar 14 19:13:31 over-zfs-test-1 kernel: [ 6.844695] amdgpu 0000:06:00.0: BAR 2: releasing [mem 0x1400000000-0x14001fffff 64bit pref] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 6.846800] amdgpu 0000:06:00.0: BAR 0: releasing [mem 0x1200000000-0x13ffffffff 64bit pref] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 6.851331] amdgpu 0000:06:00.0: BAR 0: assigned [mem 0x1200000000-0x13ffffffff 64bit pref] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 6.853799] amdgpu 0000:06:00.0: BAR 2: assigned [mem 0x1400000000-0x14001fffff 64bit pref] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 7.055675] amdgpu 0000:06:00.0: VRAM: 8192M 0x000000F400000000 - 0x000000F5FFFFFFFF (8192M used) Mar 14 19:13:31 over-zfs-test-1 kernel: [ 7.057405] amdgpu 0000:06:00.0: GART: 256M 0x000000FF00000000 - 0x000000FF0FFFFFFF Mar 14 19:13:31 over-zfs-test-1 kernel: [ 7.062079] [drm] amdgpu: 8192M of VRAM memory ready Mar 14 19:13:31 over-zfs-test-1 kernel: [ 7.063325] [drm] amdgpu: 8192M of GTT memory ready. Mar 14 19:13:31 over-zfs-test-1 kernel: [ 7.086747] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 14 19:13:31 over-zfs-test-1 kernel: [ 10.693155] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 12.530859] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 16.088944] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 17.909031] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 21.309891] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 23.014157] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 26.406895] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 28.115737] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 31.511862] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 33.210902] amdgpu: [powerplay] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 34.974621] amdgpu: [powerplay] SMU load firmware failed Mar 14 19:13:31 over-zfs-test-1 kernel: [ 34.975513] amdgpu: [powerplay] fw load failed Mar 14 19:13:31 over-zfs-test-1 kernel: [ 34.976809] amdgpu 0000:06:00.0: amdgpu_device_ip_init failed Mar 14 19:13:31 over-zfs-test-1 kernel: [ 34.977443] amdgpu 0000:06:00.0: Fatal error during GPU init Mar 14 19:13:31 over-zfs-test-1 kernel: [ 34.978183] [drm] amdgpu: finishing device. Mar 14 19:13:31 over-zfs-test-1 kernel: [ 34.992069] WARNING: CPU: 22 PID: 361 at drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:930 amdgpu_bo_unpin.cold+0x0/0x40 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 34.993699] Modules linked in: hid_generic usbhid hid amdgpu(+) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel amd_iommu_v2 gpu_sched i2c_algo_bit qxl aesni_intel ttm drm_kms_helper aes_x86_64 syscopyarea crypto_simd sysfillrect sysimgblt cryptd ahci fb_sys_fops psmouse virtio_net glue_helper lpc_ich i2c_i801 libahci drm net_failover virtio_blk failover Mar 14 19:13:31 over-zfs-test-1 kernel: [ 34.997757] RIP: 0010:amdgpu_bo_unpin.cold+0x0/0x40 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.007489] amdgpu_bo_free_kernel+0x70/0x120 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.008290] amdgpu_gfx_rlc_fini+0x4b/0x70 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.009090] gfx_v8_0_sw_fini+0xac/0x1a0 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.009905] amdgpu_device_fini+0x26b/0x4ac [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.010697] amdgpu_driver_unload_kms+0x52/0xa0 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.011517] amdgpu_driver_load_kms.cold+0x39/0x5c [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.013070] amdgpu_pci_probe+0xf7/0x160 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.023395] amdgpu_init+0x83/0x8d [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.037565] amdgpu 0000:06:00.0: 00000000a855cc3c unpin not necessary Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.047027] [drm] amdgpu: ttm finalized Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.053047] Modules linked in: hid_generic usbhid hid amdgpu(+) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel amd_iommu_v2 gpu_sched i2c_algo_bit qxl aesni_intel ttm drm_kms_helper aes_x86_64 syscopyarea crypto_simd sysfillrect sysimgblt cryptd ahci fb_sys_fops psmouse virtio_net glue_helper lpc_ich i2c_i801 libahci drm net_failover virtio_blk failover Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.072156] amdgpu_ucode_sysfs_fini+0x18/0x20 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.073304] amdgpu_device_fini+0x47a/0x4ac [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.074152] amdgpu_driver_unload_kms+0x52/0xa0 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.075012] amdgpu_driver_load_kms.cold+0x39/0x5c [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.076964] amdgpu_pci_probe+0xf7/0x160 [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.089454] amdgpu_init+0x83/0x8d [amdgpu] Mar 14 19:13:31 over-zfs-test-1 kernel: [ 35.110527] amdgpu: probe of 0000:06:00.0 failed with error -22 Mar 14 19:32:57 over-zfs-test-1 kernel: [ 0.000000] Linux version 5.3.0-40-generic (buildd@lcy01-amd64-026) (gcc version 9.2.1 20191008 (Ubuntu 9.2.1-9ubuntu2)) #32-Ubuntu SMP Fri Jan 31 20:24:34 UTC 2020 (Ubuntu 5.3.0-40.32-generic 5.3.18) Mar 14 19:32:57 over-zfs-test-1 kernel: [ 3.098359] [drm] amdgpu kernel modesetting enabled. Mar 14 19:32:57 over-zfs-test-1 kernel: [ 3.100170] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 0: 0xd0000000 -> 0xdfffffff Mar 14 19:32:57 over-zfs-test-1 kernel: [ 3.100272] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 2: 0xe0000000 -> 0xe01fffff Mar 14 19:32:57 over-zfs-test-1 kernel: [ 3.100371] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 5: 0xfc200000 -> 0xfc23ffff Mar 14 19:32:57 over-zfs-test-1 kernel: [ 3.976444] amdgpu 0000:06:00.0: BAR 2: releasing [mem 0xe0000000-0xe01fffff 64bit pref] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 3.978715] amdgpu 0000:06:00.0: BAR 0: releasing [mem 0xd0000000-0xdfffffff 64bit pref] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 3.982028] amdgpu 0000:06:00.0: BAR 0: assigned [mem 0xd0000000-0xdfffffff 64bit pref] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 3.983913] amdgpu 0000:06:00.0: BAR 2: assigned [mem 0xe0000000-0xe01fffff 64bit pref] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 4.002919] amdgpu 0000:06:00.0: VRAM: 8192M 0x000000F400000000 - 0x000000F5FFFFFFFF (8192M used) Mar 14 19:32:57 over-zfs-test-1 kernel: [ 4.004475] amdgpu 0000:06:00.0: GART: 256M 0x000000FF00000000 - 0x000000FF0FFFFFFF Mar 14 19:32:57 over-zfs-test-1 kernel: [ 4.007615] [drm] amdgpu: 8192M of VRAM memory ready Mar 14 19:32:57 over-zfs-test-1 kernel: [ 4.008706] [drm] amdgpu: 8192M of GTT memory ready. Mar 14 19:32:57 over-zfs-test-1 kernel: [ 4.028931] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 14 19:32:57 over-zfs-test-1 kernel: [ 5.831231] amdgpu: [powerplay] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.574026] amdgpu: [powerplay] SMU load firmware failed Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.574781] amdgpu: [powerplay] fw load failed Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.576261] amdgpu 0000:06:00.0: amdgpu_device_ip_init failed Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.577012] amdgpu 0000:06:00.0: Fatal error during GPU init Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.577979] [drm] amdgpu: finishing device. Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.594248] WARNING: CPU: 6 PID: 368 at drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:930 amdgpu_bo_unpin.cold+0x0/0x40 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.596229] Modules linked in: hid_generic usbhid hid amdgpu(+) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel amd_iommu_v2 gpu_sched qxl i2c_algo_bit ttm drm_kms_helper aesni_intel syscopyarea sysfillrect sysimgblt fb_sys_fops aes_x86_64 crypto_simd cryptd ahci glue_helper virtio_net psmouse drm libahci lpc_ich i2c_i801 net_failover virtio_blk failover Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.604666] RIP: 0010:amdgpu_bo_unpin.cold+0x0/0x40 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.616343] amdgpu_bo_free_kernel+0x70/0x120 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.617249] amdgpu_gfx_rlc_fini+0x4b/0x70 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.618131] gfx_v8_0_sw_fini+0xac/0x1a0 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.619017] amdgpu_device_fini+0x26b/0x4ac [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.619869] amdgpu_driver_unload_kms+0x52/0xa0 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.620746] amdgpu_driver_load_kms.cold+0x39/0x5c [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.622526] amdgpu_pci_probe+0xf7/0x160 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.632976] amdgpu_init+0x83/0x8d [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.646947] amdgpu 0000:06:00.0: 00000000ee170d24 unpin not necessary Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.652379] [drm] amdgpu: ttm finalized Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.660693] Modules linked in: hid_generic usbhid hid amdgpu(+) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel amd_iommu_v2 gpu_sched qxl i2c_algo_bit ttm drm_kms_helper aesni_intel syscopyarea sysfillrect sysimgblt fb_sys_fops aes_x86_64 crypto_simd cryptd ahci glue_helper virtio_net psmouse drm libahci lpc_ich i2c_i801 net_failover virtio_blk failover Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.677746] amdgpu_ucode_sysfs_fini+0x18/0x20 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.678613] amdgpu_device_fini+0x47a/0x4ac [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.679571] amdgpu_driver_unload_kms+0x52/0xa0 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.680589] amdgpu_driver_load_kms.cold+0x39/0x5c [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.682552] amdgpu_pci_probe+0xf7/0x160 [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.694797] amdgpu_init+0x83/0x8d [amdgpu] Mar 14 19:32:57 over-zfs-test-1 kernel: [ 7.715420] amdgpu: probe of 0000:06:00.0 failed with error -22 Mar 14 20:50:56 over-zfs-test-1 kernel: [ 0.000000] Linux version 5.3.0-40-generic (buildd@lcy01-amd64-026) (gcc version 9.2.1 20191008 (Ubuntu 9.2.1-9ubuntu2)) #32-Ubuntu SMP Fri Jan 31 20:24:34 UTC 2020 (Ubuntu 5.3.0-40.32-generic 5.3.18) Mar 14 20:50:56 over-zfs-test-1 kernel: [ 3.419327] [drm] amdgpu kernel modesetting enabled. Mar 14 20:50:56 over-zfs-test-1 kernel: [ 3.420984] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 0: 0x10a0000000 -> 0x10afffffff Mar 14 20:50:56 over-zfs-test-1 kernel: [ 3.421017] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 2: 0x10b0000000 -> 0x10b01fffff Mar 14 20:50:56 over-zfs-test-1 kernel: [ 3.421050] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 5: 0xfc600000 -> 0xfc63ffff Mar 14 20:50:56 over-zfs-test-1 kernel: [ 3.846075] amdgpu 0000:06:00.0: GPU pci config reset Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.360212] amdgpu 0000:06:00.0: BAR 2: releasing [mem 0x10b0000000-0x10b01fffff 64bit pref] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.361506] amdgpu 0000:06:00.0: BAR 0: releasing [mem 0x10a0000000-0x10afffffff 64bit pref] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.366057] amdgpu 0000:06:00.0: BAR 0: assigned [mem 0x10a0000000-0x10afffffff 64bit pref] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.367759] amdgpu 0000:06:00.0: BAR 2: assigned [mem 0x10b0000000-0x10b01fffff 64bit pref] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.392484] amdgpu 0000:06:00.0: VRAM: 8192M 0x000000F400000000 - 0x000000F5FFFFFFFF (8192M used) Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.395179] amdgpu 0000:06:00.0: GART: 256M 0x000000FF00000000 - 0x000000FF0FFFFFFF Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.401810] [drm] amdgpu: 8192M of VRAM memory ready Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.402774] [drm] amdgpu: 8192M of GTT memory ready. Mar 14 20:50:56 over-zfs-test-1 kernel: [ 4.426823] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 14 20:50:56 over-zfs-test-1 kernel: [ 8.045137] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 9.829712] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 13.395895] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 15.181640] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 18.606652] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 20.298986] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 23.797549] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 25.601117] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 29.154448] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 30.932751] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.752849] amdgpu: [powerplay] SMU load firmware failed Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.753472] amdgpu: [powerplay] fw load failed Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.754774] amdgpu 0000:06:00.0: amdgpu_device_ip_init failed Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.755385] amdgpu 0000:06:00.0: Fatal error during GPU init Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.756072] [drm] amdgpu: finishing device. Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.767044] WARNING: CPU: 6 PID: 386 at drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:930 amdgpu_bo_unpin.cold+0x0/0x40 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.767731] Modules linked in: hid_generic usbhid hid amdgpu(+) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel amd_iommu_v2 gpu_sched qxl i2c_algo_bit aesni_intel ttm drm_kms_helper syscopyarea aes_x86_64 sysfillrect crypto_simd sysimgblt cryptd ahci fb_sys_fops glue_helper psmouse i2c_i801 lpc_ich virtio_net libahci drm net_failover virtio_blk failover Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.771185] RIP: 0010:amdgpu_bo_unpin.cold+0x0/0x40 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.780643] amdgpu_bo_free_kernel+0x70/0x120 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.781435] amdgpu_gfx_rlc_fini+0x4b/0x70 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.782236] gfx_v8_0_sw_fini+0xac/0x1a0 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.783040] amdgpu_device_fini+0x26b/0x4ac [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.783811] amdgpu_driver_unload_kms+0x52/0xa0 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.784587] amdgpu_driver_load_kms.cold+0x39/0x5c [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.786092] amdgpu_pci_probe+0xf7/0x160 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.796070] amdgpu_init+0x83/0x8d [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.809887] amdgpu 0000:06:00.0: 000000004b79d3c4 unpin not necessary Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.820520] [drm] amdgpu: ttm finalized Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.825547] Modules linked in: hid_generic usbhid hid amdgpu(+) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel amd_iommu_v2 gpu_sched qxl i2c_algo_bit aesni_intel ttm drm_kms_helper syscopyarea aes_x86_64 sysfillrect crypto_simd sysimgblt cryptd ahci fb_sys_fops glue_helper psmouse i2c_i801 lpc_ich virtio_net libahci drm net_failover virtio_blk failover Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.840490] amdgpu_ucode_sysfs_fini+0x18/0x20 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.841362] amdgpu_device_fini+0x47a/0x4ac [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.842213] amdgpu_driver_unload_kms+0x52/0xa0 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.843080] amdgpu_driver_load_kms.cold+0x39/0x5c [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.844730] amdgpu_pci_probe+0xf7/0x160 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.855574] amdgpu_init+0x83/0x8d [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.872428] amdgpu: probe of 0000:06:00.0 failed with error -22 Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.873418] amdgpu 0000:08:00.0: remove_conflicting_pci_framebuffers: bar 0: 0x1080000000 -> 0x108fffffff Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.874050] amdgpu 0000:08:00.0: remove_conflicting_pci_framebuffers: bar 2: 0x1090000000 -> 0x10901fffff Mar 14 20:50:56 over-zfs-test-1 kernel: [ 32.874665] amdgpu 0000:08:00.0: remove_conflicting_pci_framebuffers: bar 5: 0xfc200000 -> 0xfc23ffff Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.358964] amdgpu 0000:08:00.0: GPU pci config reset Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.877668] amdgpu 0000:08:00.0: BAR 2: releasing [mem 0x1090000000-0x10901fffff 64bit pref] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.879646] amdgpu 0000:08:00.0: BAR 0: releasing [mem 0x1080000000-0x108fffffff 64bit pref] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.882450] amdgpu 0000:08:00.0: BAR 0: assigned [mem 0x1080000000-0x108fffffff 64bit pref] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.884144] amdgpu 0000:08:00.0: BAR 2: assigned [mem 0x1090000000-0x10901fffff 64bit pref] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.919168] amdgpu 0000:08:00.0: VRAM: 8192M 0x000000F400000000 - 0x000000F5FFFFFFFF (8192M used) Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.920835] amdgpu 0000:08:00.0: GART: 256M 0x000000FF00000000 - 0x000000FF0FFFFFFF Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.924232] [drm] amdgpu: 8192M of VRAM memory ready Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.925784] [drm] amdgpu: 8192M of GTT memory ready. Mar 14 20:50:56 over-zfs-test-1 kernel: [ 33.947145] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 14 20:50:56 over-zfs-test-1 kernel: [ 37.435184] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 39.136544] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 42.526079] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 44.216403] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 47.600742] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 49.294396] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 52.674776] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 54.367594] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 57.750397] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 59.440495] amdgpu: [powerplay] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.184610] amdgpu: [powerplay] SMU load firmware failed Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.185158] amdgpu: [powerplay] fw load failed Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.186278] amdgpu 0000:08:00.0: amdgpu_device_ip_init failed Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.186852] amdgpu 0000:08:00.0: Fatal error during GPU init Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.187544] [drm] amdgpu: finishing device. Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.214728] amdgpu 0000:08:00.0: 00000000feb1af18 unpin not necessary Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.223174] [drm] amdgpu: ttm finalized Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.228817] Modules linked in: hid_generic usbhid hid amdgpu(+) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel amd_iommu_v2 gpu_sched qxl i2c_algo_bit aesni_intel ttm drm_kms_helper syscopyarea aes_x86_64 sysfillrect crypto_simd sysimgblt cryptd ahci fb_sys_fops glue_helper psmouse i2c_i801 lpc_ich virtio_net libahci drm net_failover virtio_blk failover Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.245120] amdgpu_ucode_sysfs_fini+0x18/0x20 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.246112] amdgpu_device_fini+0x47a/0x4ac [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.247006] amdgpu_driver_unload_kms+0x52/0xa0 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.247804] amdgpu_driver_load_kms.cold+0x39/0x5c [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.249527] amdgpu_pci_probe+0xf7/0x160 [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.260837] amdgpu_init+0x83/0x8d [amdgpu] Mar 14 20:50:56 over-zfs-test-1 kernel: [ 61.279649] amdgpu: probe of 0000:08:00.0 failed with error -22 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-5.4 in Ubuntu. https://bugs.launchpad.net/bugs/1867455 Title: Having more than one AMD Radeon RX 580 installed will trigger a PCIe bus fatal error during boot. Status in linux-5.4 package in Ubuntu: New Bug description: I have a Dell R920 with three MSI Radeon RX 580 8G V1 cards, if more than one of these cards is installed in the system, a bus fatal error will be generated causing the system to reset itself when the amdgpu module is loaded and it tries to initialize the device. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-modules-5.4.0-14-lowlatency 5.4.0-14.17 ProcVersionSignature: Ubuntu 5.4.0-14.17-lowlatency 5.4.18 Uname: Linux 5.4.0-14-lowlatency x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu20 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D9p', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Sat Mar 14 12:20:47 2020 Dependencies: MachineType: Dell Inc. PowerEdge R920 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 mgag200drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-14-lowlatency root=ZFS=rpool/ROOT/ubuntu ro intel_iommu=on iommu=pt root=ZFS=rpool/ROOT/ubuntu intremap=no_x2apic_optout ipv6.disable=1 mitigations=off PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.4.0-14-lowlatency N/A linux-backports-modules-5.4.0-14-lowlatency N/A linux-firmware 1.186 RfKill: SourcePackage: linux-5.4 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/26/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.9.0 dmi.board.name: 0V7HD0 dmi.board.vendor: Dell Inc. dmi.board.version: A06 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.9.0:bd06/26/2019:svnDellInc.:pnPowerEdgeR920:pvr:rvnDellInc.:rn0V7HD0:rvrA06:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R920 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-5.4/+bug/1867455/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
