分析一串儿kernel crash(第二段trace)

[19950.511400] Unable to handle kernel paging request at virtual address 1f7c7ec9167269

[19950.518042] BUG: Bad page state in process QThread  pfn:2081ba5

[19950.519143] Mem abort info:

[19950.525013] page:ffff7e008206e940 count:0 mapcount:0 mapping:ffffa02fba53c658 index:0x0

[19950.525016] flags: 0x1ffff0000000000()

[19950.525021] raw: 01ffff0000000000 ffffa02fba53c658 0000000000000000 00000000ffffffff

[19950.525022] raw: dead000000000100 dead000000000200 0000000000000000 0000000000000000

[19950.525024] page dumped because: non-NULL mapping

[19950.527818]  ESR = 0x96000004

[19950.539529]  Exception class = DABT (current EL), IL = 32 bits

[19950.554952]  SET = 0, FnV = 0

[19950.562692]  EA = 0, S1PTW = 0

[19950.571633] Data abort info:

[19950.577637]  ISV = 0, ISS = 0x00000004

[19950.577640]  CM = 0, WnR = 0

[19950.584424] [001f7c7ec9167269] address between user and kernel address ranges

[19950.584426]  libahci scsi_transport_sas gpio_dwapb aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64

[19950.591540] Internal error: Oops: 96000004 [#1] SMP

[19950.600974] CPU: 5 PID: 68692 Comm: QThread Not tainted 4.15.18 #1

[19950.605831] Modules linked in:

[19950.611981] Hardware name: ************隐去*********** 12/14/2019

[19950.611983]  nls_iso8859_1

[19950.615024] Call trace:

[19950.623162]  ipmi_ssif

[19950.625862]  dump_backtrace+0x0/0x198

[19950.628292]  snd_hda_codec_hdmi snd_hda_intel

[19950.630646]  show_stack+0x24/0x30

[19950.634289]  snd_hda_codec

[19950.638630]  dump_stack+0x98/0xbc

[19950.641926]  snd_hda_core

[19950.644623]  bad_page+0xf0/0x158

[19950.644625]  check_new_page_bad+0x80/0xb0

[19950.647924]  snd_hwdep

[19950.650534]  get_page_from_freelist+0xe70/0x1410

[19950.653747]  snd_pcm

[19950.657739]  __alloc_pages_nodemask+0x11c/0xd50

[19950.660087]  snd_timer hns_roce_hw_v2

[19950.664686]  alloc_pages_current+0x88/0xe8

[19950.664690]  iommu_dma_alloc+0x13c/0x3e0

[19950.666863]  snd

[19950.671375]  __iommu_alloc_attrs+0xbc/0x2a0

[19950.675019]  hns_roce soundcore

[19950.679106]  ttm_dma_pool_get_pages+0x324/0x4a8 [ttm]

[19950.679112]  ttm_dma_populate+0x150/0x390 [ttm]

[19950.683013]  shpchp

[19950.684935]  amdgpu_ttm_tt_populate+0xec/0x100 [amdgpu]

[19950.689011]  joydev input_leds

[19950.692148]  ttm_tt_bind+0x3c/0x80 [ttm]

[19950.697172]  ipmi_si

[19950.701684]  ttm_bo_handle_move_mem+0x454/0x490 [ttm]

[19950.703770]  ipmi_devintf

[19950.708974]  ttm_bo_validate+0x160/0x170 [ttm]

[19950.712010]  ipmi_msghandler cppc_cpufreq

[19950.715921]  ttm_bo_init_reserved+0x300/0x3e0 [ttm]

[19950.718094]  sch_fq_codel ib_iser

[19950.723337]  amdgpu_bo_do_create+0x180/0x3d0 [amdgpu]

[19950.723381]  amdgpu_bo_create+0x88/0x230 [amdgpu]

[19950.725949]  rdma_cm

[19950.730415]  amdgpu_gem_object_create+0xa0/0x140 [amdgpu]

[19950.730458]  amdgpu_gem_create_ioctl+0x194/0x2b0 [amdgpu]

[19950.734408]  iw_cm

[19950.739292]  drm_ioctl_kernel+0x70/0xd0 [drm]

[19950.742564]  ib_cm

[19950.747607]  drm_ioctl+0x1fc/0x458 [drm]

[19950.752273]  ib_core iscsi_tcp

[19950.754503]  amdgpu_drm_ioctl+0x58/0x90 [amdgpu]

[19950.759824]  libiscsi_tcp

[19950.765200]  do_vfs_ioctl+0xc4/0xb50

[19950.767200]  libiscsi scsi_transport_iscsi

[19950.771538]  SyS_ioctl+0x8c/0xa8

[19950.771541]  el0_svc_naked+0x30/0x34

[19950.773542]  ip_tables

[19950.778644] BUG: Bad page state in process QThread  pfn:2081cf4

[19950.780488]  x_tables

[19950.785088] page:ffff7e0082073d00 count:0 mapcount:0 mapping:ffffa02fba53c658 index:0x18f3d5

[19950.787696]  autofs4 btrfs

[19950.791260] flags: 0x1ffff0000000000()

[19950.795338]  zstd_compress

[19950.798555] raw: 01ffff0000000000 ffffa02fba53c658 000000000018f3d5 00000000ffffffff

[19950.802111]  raid10

[19950.804462] raw: dead000000000100 dead000000000200 0000000000000000 0000000000000000

[19950.810354]  raid456

[19950.812621] page dumped because: non-NULL mapping

[19950.821020]  async_raid6_recov

[19950.823719] Modules linked in:

[19950.827452]  async_memcpy async_pq

[19950.830152]  nls_iso8859_1

[19950.837858]  async_xor

[19950.839947]  ipmi_ssif

[19950.847653]  async_tx

[19950.849830]  snd_hda_codec_hdmi

[19950.854512]  xor

[19950.857554]  snd_hda_intel

[19950.860600]  raid6_pq

[19950.863985]  snd_hda_codec

[19950.866680]  libcrc32c

[19950.869028]  snd_hda_core

[19950.871376]  raid1

[19950.873639]  snd_hwdep

[19950.876766]  raid0

[19950.878598]  snd_pcm

[19950.881293]  multipath

[19950.883555]  snd_timer

[19950.886251]  linear

[19950.888599]  hns_roce_hw_v2

[19950.891207]  amdgpu

[19950.893211]  snd

[19950.895561]  ses

[19950.897565]  hns_roce

[19950.899742]  enclosure

[19950.902092]  soundcore

[19950.904442]  hibmc_drm

[19950.906532]  shpchp

[19950.909313]  chash

[19950.911403]  joydev

[19950.913236]  i2c_algo_bit

[19950.915068]  input_leds

[19950.917332]  ttm

[19950.919682]  ipmi_si

[19950.922033]  aes_ce_blk

[19950.924380]  ipmi_devintf

[19950.926472]  aes_ce_cipher

[19950.928476]  ipmi_msghandler cppc_cpufreq

[19950.930567]  crc32_ce

[19950.933175]  sch_fq_codel ib_iser

[19950.935614]  hid_generic

[19950.937446]  rdma_cm

[19950.939622]  crct10dif_ce

[19950.942059]  iw_cm

[19950.944666]  realtek

[19950.947361]  ib_cm

[19950.951352]  drm_kms_helper

[19950.953614]  ib_core

[19950.956914]  ghash_ce

[19950.959437]  iscsi_tcp

[19950.961614]  usbhid

[19950.964222]  libiscsi_tcp

[19950.966225]  sha2_ce

[19950.968401]  libiscsi

[19950.970406]  hns3

[19950.973187]  scsi_transport_iscsi

[19950.975363]  hisi_sas_v3_hw

[19950.977625]  ip_tables

[19950.979974]  syscopyarea

[19950.982064]  x_tables

[19950.984672]  sysfillrect

[19950.986848]  autofs4

[19950.989112]  sysimgblt

[19950.991030]  btrfs

[19950.994323]  hisi_sas_main

[19950.997103]  zstd_compress

[19950.999452]  fb_sys_fops

[19951.001974]  raid10 raid456

[19951.004239]  sha256_arm64

[19951.006761]  async_raid6_recov async_memcpy

[19951.008942]  drm

[19951.011288]  async_pq async_xor

[19951.013294]  libsas

[19951.015992]  async_tx

[19951.018683]  hclge

[19951.021206]  xor

[19951.023987]  sha1_ce

[19951.026596]  raid6_pq

[19951.030758]  megaraid_sas

[19951.032590]  libcrc32c

[19951.035717]  hid

[19951.037807]  raid1

[19951.040071]  ahci

[19951.042074]  raid0

[19951.043909]  hnae3

[19951.046081]  multipath

[19951.048345]  libahci

[19951.050954]  linear

[19951.053303]  scsi_transport_sas

[19951.055135]  amdgpu

[19951.057138]  gpio_dwapb

[19951.059056]  ses

[19951.061058]  aes_neon_bs

[19951.063062]  enclosure

[19951.065415]  aes_neon_blk

[19951.067590]  hibmc_drm

[19951.069679]  crypto_simd

[19951.072806]  chash

[19951.074895]  cryptd

[19951.077331]  i2c_algo_bit

[19951.079162]  aes_arm64

[19951.081685]  ttm

[19951.086642]  aes_ce_blk

[19951.088994] Process gfx (pid: 1351, stack limit = 0x00000000a401cdf7)

[19951.091514]  aes_ce_cipher

[19951.093518] CPU: 33 PID: 1351 Comm: gfx Tainted: G    B            4.15.18 #1

[19951.095606]  crc32_ce

[19951.098215] Hardware name: **************隐去****************** 12/14/2019

[19951.098217] pstate: 20c00009 (nzCv daif +PAN +UAO)

[19951.100564]  hid_generic

[19951.102399] pc : kmem_cache_alloc+0xd4/0x220

[19951.104832]  crct10dif_ce

[19951.111243] lr : kmem_cache_alloc+0x1d8/0x220

[19951.113937]  realtek

[19951.114264] ------------[ cut here ]------------

[19951.114288] WARNING: CPU: 48 PID: 76977 at drivers/iommu/io-pgtable-arm.c:304 __arm_lpae_map+0x148/0x2f0

[19951.114289] Modules linked in: nls_iso8859_1 ipmi_ssif snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer hns_roce_hw_v2 snd hns_roce soundcore shpchp joydev input_leds ipmi_si ipmi_devintf ipmi_msghandler cppc_cpufreq sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear amdgpu ses enclosure hibmc_drm chash i2c_algo_bit ttm aes_ce_blk aes_ce_cipher crc32_ce hid_generic crct10dif_ce realtek drm_kms_helper ghash_ce usbhid sha2_ce hns3 hisi_sas_v3_hw syscopyarea sysfillrect sysimgblt hisi_sas_main fb_sys_fops sha256_arm64 drm libsas hclge sha1_ce

[19951.114347]  megaraid_sas hid ahci hnae3 libahci scsi_transport_sas gpio_dwapb aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64

[19951.114359] CPU: 48 PID: 76977 Comm: QThread Tainted: G    B            4.15.18 #1

[19951.114359] Hardware name: **************隐去******************************* 12/14/2019

[19951.114361] pstate: 40400009 (nZcv daif +PAN -UAO)

[19951.114362] pc : __arm_lpae_map+0x148/0x2f0

[19951.114364] lr : __arm_lpae_map+0x148/0x2f0

[19951.114364] sp : ffff0000ed9b3260

[19951.114365] x29: ffff0000ed9b3260 x28: ffff802081c98fc8

[19951.114367] x27: 0000000000001000 x26: ffff802081c98000

[19951.114369] x25: 0000000000001000 x24: 0000000000000003

[19951.114370] x23: ffffa02fa0a7d900 x22: 0000000000000844

[19951.114372] x21: 000000465b059000 x20: 0000000000001000

[19951.114374] x19: 000000005b7f9000 x18: 0000000000000000

[19951.114376] x17: 0000ffff8af82b10 x16: ffff000008304950

[19951.114377] x15: ffff0000c1141000 x14: 0140000000000000

[19951.114379] x13: ffff0000c1152000 x12: ffff000009510000

[19951.114381] x11: 0000000000000034 x10: ffff000009696000

[19951.114383] x9 : 0000000000000000 x8 : ffffa057ffe0b09c

[19951.114384] x7 : 0000000000000000 x6 : 0000019dc7764efd

[19951.114386] x5 : 00ffffffffffffff x4 : 0000000000000000

[19951.114388] x3 : 0000000000000000 x2 : f1ee3f9dc7f05d00

[19951.114389] x1 : 0000000000000000 x0 : 0000000000000024

[19951.114391] Call trace:

[19951.114393]  __arm_lpae_map+0x148/0x2f0

[19951.114394]  __arm_lpae_map+0x1b0/0x2f0

[19951.114396]  __arm_lpae_map+0x1b0/0x2f0

[19951.114397]  __arm_lpae_map+0x1b0/0x2f0

[19951.114398]  arm_lpae_map+0x104/0x138

[19951.114401]  arm_smmu_map+0x50/0x70

[19951.114402]  iommu_map+0x108/0x2b0

[19951.114403]  default_iommu_map_sg+0x10c/0x180

[19951.114405]  iommu_dma_alloc+0x23c/0x3e0

[19951.114408]  __iommu_alloc_attrs+0xbc/0x2a0

[19951.114418]  ttm_dma_pool_get_pages+0x324/0x4a8 [ttm]

[19951.114423]  ttm_dma_populate+0x150/0x390 [ttm]

[19951.114496]  amdgpu_ttm_tt_populate+0xec/0x100 [amdgpu]

[19951.114501]  ttm_tt_bind+0x3c/0x80 [ttm]

[19951.114506]  ttm_bo_handle_move_mem+0x454/0x490 [ttm]

[19951.114510]  ttm_bo_validate+0x160/0x170 [ttm]

[19951.114514]  ttm_bo_init_reserved+0x300/0x3e0 [ttm]

[19951.114559]  amdgpu_bo_do_create+0x180/0x3d0 [amdgpu]

[19951.114602]  amdgpu_bo_create+0x88/0x230 [amdgpu]

[19951.114645]  amdgpu_gem_object_create+0xa0/0x140 [amdgpu]

[19951.114688]  amdgpu_gem_create_ioctl+0x194/0x2b0 [amdgpu]

[19951.114712]  drm_ioctl_kernel+0x70/0xd0 [drm]

[19951.114727]  drm_ioctl+0x1fc/0x458 [drm]

[19951.114768]  amdgpu_drm_ioctl+0x58/0x90 [amdgpu]

[19951.114772]  do_vfs_ioctl+0xc4/0xb50

[19951.114773]  SyS_ioctl+0x8c/0xa8

[19951.114776]  el0_svc_naked+0x30/0x34

[19951.114777] ---[ end trace 140038004b48ffce ]---

[19951.115025] [drm:amdgpu_gem_object_create [amdgpu]] *ERROR* Failed to allocate GEM object (1048576, 2, 4096, -12)

[19951.121039] sp : ffff0000280e3c80

[19951.121041] x29: ffff0000280e3c80

[19951.123304]  drm_kms_helper

[19951.131442] x28: 0000000000000000

[19951.136211]  ghash_ce

[19951.138733] x27: ffff802f974c09c0 x26: ffffa05789238800

[19951.142986]  usbhid

[19951.149933]  sha2_ce

[19951.152110] x25: 0000000000000000

[19951.156706]  hns3

[19951.166143] x24: ffff802f974c0ee0

[19951.236403]  hisi_sas_v3_hw

[19951.255789]  syscopyarea sysfillrect

[19951.263930] x23: ffffa02fa2cf9200

[19951.268698]  sysimgblt

[19951.272861] x22: ffff000002491384

[19951.277026]  hisi_sas_main

[19951.280326] x21: 00000000014000c0

[19951.285613]  fb_sys_fops

[19951.290900] x20: ffffa02fa2cf9200

[19951.296185]  sha256_arm64 drm

[19951.306761]  libsas

[19951.312049] x19: ffff802081ba40e0

[19951.317336]  hclge

[19951.322623] x18: 0000ffffb7ee3a70

[19951.327910]  sha1_ce

[19951.338482]  megaraid_sas

[19951.343769] x17: 0000ffffb944bff8

[19951.349056]  hid

[19951.354343] x16: ffff000008185188

[19951.359629]  ahci

[19951.365881]  hnae3

[19951.369700] x15: 0000000000000000

[19951.373518]  libahci

[19951.377337] x14: 0000000000000002

[19951.380983]  scsi_transport_sas

[19951.387839]  gpio_dwapb

[19951.392176] x13: 000000000000270f

[19951.396080]  aes_neon_bs aes_neon_blk

[19951.400246] x12: 0000000000000001

[19951.405273]  crypto_simd cryptd

[19951.414984]  aes_arm64

[19951.418888] x11: 0000000000000000

[19951.428339] x10: 0000000000000ad0

[19951.433196] CPU: 17 PID: 78440 Comm: QThread Tainted: G    B  W        4.15.18 #1

[19951.442902] Hardware name: ****************隐去************************* 12/14/2019

[19951.442904] Call trace:

[19951.448277] x9 : ffff0000280e3d10

[19951.453657]  dump_backtrace+0x0/0x198

[19951.457989] x8 : ffff802081ba40e0

[19951.461894]  show_stack+0x24/0x30

[19951.466490] x7 : 721f7c7ec9167269

[19951.470053]  dump_stack+0x98/0xbc

[19951.473263] x6 : 8de0fc5e48ac3289

[19951.476822]  bad_page+0xf0/0x158

[19951.476823]  free_pages_check_bad+0x80/0xa0

[19951.491630]  free_pcppages_bulk+0x510/0x568

[19951.491632]  free_unref_page_commit+0xe8/0x118

[19951.494932] x5 : 00000000017d19ad

[19951.498318]  free_unref_page+0x74/0x88

[19951.498320]  __free_pages+0x58/0x68

[19951.501100] x4 : ffff80579fb103b0

[19951.504489]  __iommu_dma_free_pages+0x38/0x58

[19951.512037]  iommu_dma_free+0x4c/0x60

[19951.514125] x3 : 00000000017d19ae

[19951.516303]  __iommu_free_attrs+0x94/0x1a8

[19951.519685] x2 : 721f03a1b753cd76

[19951.521615]  __ttm_dma_free_page.isra.4.constprop.11+0xa8/0xe8 [ttm]

[19951.524990] x1 : 0000000000000000

[19951.527775]  ttm_dma_unpopulate+0x100/0x4b0 [ttm]

[19951.527851]  amdgpu_ttm_tt_unpopulate+0xa8/0xb8 [amdgpu]

[19951.531336] x0 : 721f7c7ec9167269

[19951.534726]  ttm_tt_unpopulate.part.2+0x64/0x70 [ttm]

[19951.540460]  ttm_tt_destroy.part.3+0x68/0x70 [ttm]

[19951.543151] Call trace:

[19951.546540]  ttm_tt_destroy+0x24/0x30 [ttm]

[19951.549061]  kmem_cache_alloc+0xd4/0x220

[19951.552448]  ttm_bo_cleanup_memtype_use+0x40/0x98 [ttm]

[19951.555483]  amdgpu_sync_fence+0xc4/0x168 [amdgpu]

[19951.557493]  ttm_bo_unref+0x1d0/0x270 [ttm]

[19951.560944]  amdgpu_vm_grab_id+0x234/0x8e8 [amdgpu]

[19951.562932]  amdgpu_bo_unref+0x44/0x78 [amdgpu]

[19951.566322]  amdgpu_job_dependency+0xf4/0x148 [amdgpu]

[19951.566372]  amd_sched_main+0xc8/0x488 [amdgpu]

[19951.568546]  amdgpu_gem_object_free+0x44/0x68 [amdgpu]

[19951.571111]  kthread+0x134/0x138

[19951.571114]  ret_from_fork+0x10/0x18

[19951.574526]  drm_gem_object_free+0x30/0x70 [drm]

[19951.576330] Code: 54000100 b9802281 f940a282 8b0100e0 (f86168e1)

[19951.579729]  drm_gem_object_put_unlocked+0x7c/0xa0 [drm]

[19951.581696] SMP: stopping secondary CPUs

[19951.583649]  drm_gem_object_handle_put_unlocked+0x68/0xd0 [drm]

[19951.583664]  drm_gem_object_release_handle+0x5c/0x98 [drm]

[19951.831001]  drm_gem_handle_delete+0x68/0xb8 [drm]

[19951.835784]  drm_gem_close_ioctl+0x3c/0x58 [drm]

[19951.840393]  drm_ioctl_kernel+0x70/0xd0 [drm]

[19951.844744]  drm_ioctl+0x1fc/0x458 [drm]

[19951.848695]  amdgpu_drm_ioctl+0x58/0x90 [amdgpu]

[19951.853292]  do_vfs_ioctl+0xc4/0xb50

[19951.856851]  SyS_ioctl+0x8c/0xa8

[19951.860066]  el0_svc_naked+0x30/0x34

[19951.863655] BUG: Bad page state in process QThread  pfn:2081c1d

[19951.869550] page:ffff7e0082070740 count:0 mapcount:0 mapping:ffffa02fba53c658 index:0x18f2fe

[19951.877949] flags: 0x1ffff0000000000()

[19951.881683] raw: 01ffff0000000000 ffffa02fba53c658 000000000018f2fe 00000000ffffffff

[19951.889391] raw: dead000000000100 dead000000000200 0000000000000000 0000000000000000

[19951.897096] page dumped because: non-NULL mapping

[19951.901779] Modules linked in: nls_iso8859_1 ipmi_ssif snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer hns_roce_hw_v2 snd hns_roce soundcore shpchp joydev input_leds ipmi_si ipmi_devintf ipmi_msghandler cppc_cpufreq sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear amdgpu ses enclosure hibmc_drm chash i2c_algo_bit ttm aes_ce_blk aes_ce_cipher crc32_ce hid_generic crct10dif_ce realtek drm_kms_helper ghash_ce usbhid sha2_ce hns3 hisi_sas_v3_hw syscopyarea sysfillrect sysimgblt hisi_sas_main fb_sys_fops sha256_arm64 drm libsas hclge sha1_ce

[19951.972096]  megaraid_sas hid ahci hnae3 libahci scsi_transport_sas gpio_dwapb aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64

[19951.983960] CPU: 16 PID: 38546 Comm: QThread Tainted: G    B  W        4.15.18 #1

[19951.991492] Hardware name: *********************隐去********************** 12/14/2019

[19951.999629] Call trace:

[19952.002070]  dump_backtrace+0x0/0x198

[19952.005715]  show_stack+0x24/0x30

[19952.009018]  dump_stack+0x98/0xbc

[19952.012319]  bad_page+0xf0/0x158

[19952.015532]  free_pages_check_bad+0x80/0xa0

[19952.019697]  free_pcppages_bulk+0x510/0x568

[19952.023860]  free_unref_page_commit+0xe8/0x118

[19952.028283]  free_unref_page+0x74/0x88

[19952.032015]  __free_pages+0x58/0x68

[19952.035489]  __iommu_dma_free_pages+0x38/0x58

[19952.039824]  iommu_dma_free+0x4c/0x60

[19952.043472]  __iommu_free_attrs+0x94/0x1a8

[19952.047555]  __ttm_dma_free_page.isra.4.constprop.11+0xa8/0xe8 [ttm]

[19952.053883]  ttm_dma_unpopulate+0x100/0x4b0 [ttm]

[19952.058618]  amdgpu_ttm_tt_unpopulate+0xa8/0xb8 [amdgpu]

[19952.063908]  ttm_tt_unpopulate.part.2+0x64/0x70 [ttm]

[19952.068939]  ttm_tt_destroy.part.3+0x68/0x70 [ttm]

[19952.073709]  ttm_tt_destroy+0x24/0x30 [ttm]

[19952.077875]  ttm_bo_cleanup_memtype_use+0x40/0x98 [ttm]

[19952.083078]  ttm_bo_unref+0x1d0/0x270 [ttm]

[19952.087285]  amdgpu_bo_unref+0x44/0x78 [amdgpu]

[19952.091837]  amdgpu_gem_object_free+0x44/0x68 [amdgpu]

[19952.096966]  drm_gem_object_free+0x30/0x70 [drm]

[19952.101575]  drm_gem_object_put_unlocked+0x7c/0xa0 [drm]

[19952.106875]  drm_gem_object_handle_put_unlocked+0x68/0xd0 [drm]

[19952.112780]  drm_gem_object_release_handle+0x5c/0x98 [drm]

[19952.118252]  drm_gem_handle_delete+0x68/0xb8 [drm]

[19952.123034]  drm_gem_close_ioctl+0x3c/0x58 [drm]

[19952.127643]  drm_ioctl_kernel+0x70/0xd0 [drm]

[19952.131991]  drm_ioctl+0x1fc/0x458 [drm]

[19952.135937]  amdgpu_drm_ioctl+0x58/0x90 [amdgpu]

[19952.140532]  do_vfs_ioctl+0xc4/0xb50

[19952.144090]  SyS_ioctl+0x8c/0xa8

[19952.147303]  el0_svc_naked+0x30/0x34

[19952.609545] SMP: failed to stop secondary CPUs 0-32,34-127

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