[59235.794233] BUG: Bad page state in process QThread pfn:47e29c6
[59235.800135] page:ffff7e011f8a7180 count:0 mapcount:0 mapping:ffffa02fba689218 index:0x0
[59235.808107] flags: 0x5ffff0000000000()
[59235.811844] raw: 05ffff0000000000 ffffa02fba689218 0000000000000000 00000000ffffffff
[59235.819550] raw: dead000000000100 dead000000000200 0000000000000000 0000000000000000
[59235.827257] page dumped because: non-NULL mapping
[59235.832848] BUG: Bad page state in process QThread pfn:47e29e3
[59235.838743] page:ffff7e011f8a78c0 count:0 mapcount:0 mapping:ffffa02fba689218 index:0x0
[59235.846713] flags: 0x5ffff0000000000()
[59235.850452] raw: 05ffff0000000000 ffffa02fba689218 0000000000000000 00000000ffffffff
[59235.858162] raw: dead000000000100 dead000000000200 0000000000000000 0000000000000000
[59235.865871] page dumped because: non-NULL mapping
[59235.959846] Unable to handle kernel paging request at virtual address 0023aee7
[59235.967041] Mem abort info:
[59235.969823] ESR = 0x96000006
[59235.972865] Exception class = DABT (current EL), IL = 32 bits
[59235.978758] SET = 0, FnV = 0
[59235.981800] EA = 0, S1PTW = 0
[59235.984927] Data abort info:
[59235.987795] ISV = 0, ISS = 0x00000006
[59235.991613] CM = 0, WnR = 0
[59235.994569] user pgtable: 4k pages, 48-bit VAs, pgd = 00000000ec1fcd2e
[59236.001067] [000000000023aee7] *pgd=0000004d004a5003, *pud=0000004e00825003, *pmd=0000000000000000
[59236.009992] Internal error: Oops: 96000006 [#1] SMP
[59236.014851] Modules linked in: nls_iso8859_1 snd_hda_codec_hdmi ipmi_ssif snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer hns_roce_hw_v2 joydev input_leds hns_roce snd soundcore ipmi_si ipmi_devintf ipmi_msghandler shpchp 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 drm_kms_helper hid_generic aes_ce_blk aes_ce_cipher crc32_ce realtek crct10dif_ce hisi_sas_v3_hw syscopyarea usbhid hns3 sysfillrect hisi_sas_main ghash_ce sysimgblt sha2_ce fb_sys_fops sha256_arm64 drm libsas hclge sha1_ce
[59236.085189] megaraid_sas hid ahci hnae3 libahci scsi_transport_sas gpio_dwapb aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64
[59236.097059] Process sdma0 (pid: 1410, stack limit = 0x00000000f719f93b)
[59236.103649] CPU: 62 PID: 1410 Comm: sdma0 Tainted: G B 4.15.18 #1
[59236.110924] Hardware name: ********************这段隐去************************* 12/14/2019
[59236.119064] pstate: 40c00089 (nZcv daIf +PAN +UAO)
[59236.123841] pc : ___slab_alloc+0x8c/0x520
[59236.127834] lr : ___slab_alloc+0x314/0x520
[59236.131913] sp : ffff00002cc0bb70
[59236.135213] x29: ffff00002cc0bb70 x28: 000000000023aee7
[59236.140502] x27: ffff802fbe007c00 x26: ffff7e011f8a6980
[59236.145791] x25: ffff0000020eeee4 x24: ffff80579fddf2e0
[59236.151080] x23: 00000000014000c0 x22: 00000000ffffffff
[59236.156368] x21: 00000000014000c0 x20: ffff802fbe007c00
[59236.161656] x19: ffff80579fddf2e0 x18: 0000ffff0dff998d
[59236.166946] x17: 0000ffffa85860a0 x16: ffff000008308b40
[59236.172234] x15: 00005fc3e6000000 x14: 0000000100000043
[59236.172467] BUG: Bad page state in process QThread pfn:47e29e5
[59236.177522] x13: 0000000100000042 x12: ffff80579fddff48
[59236.183421] page:ffff7e011f8a7940 count:0 mapcount:0 mapping:ffffa02fba689218 index:0x0
[59236.196676] x11: 0000000100000040
[59236.196679] flags: 0x5ffff0000000000()
[59236.196680] x10: 0000000000000ad0
[59236.200070] raw: 05ffff0000000000 ffffa02fba689218 0000000000000000 00000000ffffffff
[59236.207187] raw: dead000000000100 dead000000000200 0000000000000000 0000000000000000
[59236.214895] x9 : ffff00002cc0bd10
[59236.222600] page dumped because: non-NULL mapping
[59236.222601] x8 : 0000000000000000
[59236.225987] Modules linked in: nls_iso8859_1
[59236.234057] snd_hda_codec_hdmi
[59236.238308] x7 : ffff000009689180
[59236.238309] ipmi_ssif
[59236.241436] x6 : 0000000000000001
[59236.244822] snd_hda_intel
[59236.247176] x5 : 0000000000000035
[59236.250564] snd_hda_codec
[59236.253258] x4 : ffff7e01470db980
[59236.256645] snd_hda_core
[59236.262726] snd_hwdep
[59236.265334] x3 : fba417b2dcd16eca
[59236.265336] snd_pcm
[59236.267684] x2 : 0000000000000000
[59236.271069] snd_timer
[59236.276632] hns_roce_hw_v2
[59236.278980] x1 : 0000000009074927
[59236.278982] joydev
[59236.281764] x0 : 000000000023aee7
[59236.285151] input_leds
[59236.290626] hns_roce
[59236.293063] Call trace:
[59236.293063] snd soundcore
[59236.295335] ___slab_alloc+0x8c/0x520
[59236.297767] ipmi_si
[59236.300463] __slab_alloc+0x50/0x68
[59236.300465] __kmalloc+0x224/0x298
[59236.304110] ipmi_devintf
[59236.306370] amdgpu_vm_grab_id+0xa4/0x8e8 [amdgpu]
[59236.309761] ipmi_msghandler
[59236.313217] amdgpu_job_dependency+0xf4/0x148 [amdgpu]
[59236.315754] shpchp
[59236.320579] amd_sched_main+0xc8/0x488 [amdgpu]
[59236.323390] cppc_cpufreq
[59236.328509] kthread+0x134/0x138
[59236.330593] sch_fq_codel ib_iser
[59236.335107] ret_from_fork+0x10/0x18
[59236.337713] rdma_cm
[59236.340928] Code: f9400661 8b020380 f940a363 91000421 (f8626b82)
[59236.344226] iw_cm
[59236.347791] SMP: stopping secondary CPUs
[59236.349962] 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 drm_kms_helper hid_generic aes_ce_blk aes_ce_cipher crc32_ce realtek crct10dif_ce hisi_sas_v3_hw syscopyarea usbhid hns3 sysfillrect hisi_sas_main ghash_ce sysimgblt sha2_ce fb_sys_fops sha256_arm64 drm libsas hclge sha1_ce megaraid_sas hid ahci hnae3 libahci scsi_transport_sas gpio_dwapb aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64
[59236.418599] CPU: 56 PID: 7517 Comm: QThread Tainted: G B 4.15.18 #1
[59236.426045] Hardware name: ****************这段隐去*************, BIOS 1.08 12/14/2019
[59236.434184] Call trace:
[59236.436629] dump_backtrace+0x0/0x198
[59236.440275] show_stack+0x24/0x30
[59236.443578] dump_stack+0x98/0xbc
[59236.446880] bad_page+0xf0/0x158
[59236.450092] check_new_page_bad+0x80/0xb0
[59236.454083] get_page_from_freelist+0xe70/0x1410
[59236.458679] __alloc_pages_nodemask+0x11c/0xd50
[59236.463191] alloc_pages_current+0x88/0xe8
[59236.467270] iommu_dma_alloc+0x13c/0x3e0
[59236.471176] __iommu_alloc_attrs+0xbc/0x2a0
[59236.475352] ttm_dma_pool_get_pages+0x324/0x4a8 [ttm]
[59236.480384] ttm_dma_populate+0x150/0x390 [ttm]
[59236.484960] amdgpu_ttm_tt_populate+0xec/0x100 [amdgpu]
[59236.490165] ttm_tt_bind+0x3c/0x80 [ttm]
[59236.494072] ttm_bo_handle_move_mem+0x454/0x490 [ttm]
[59236.499104] ttm_bo_validate+0x160/0x170 [ttm]
[59236.503530] ttm_bo_init_reserved+0x300/0x3e0 [ttm]
[59236.508437] amdgpu_bo_do_create+0x180/0x3d0 [amdgpu]
[59236.513509] amdgpu_bo_create+0x88/0x230 [amdgpu]
[59236.518233] amdgpu_gem_object_create+0xa0/0x140 [amdgpu]
[59236.523648] amdgpu_gem_create_ioctl+0x194/0x2b0 [amdgpu]
[59236.529047] drm_ioctl_kernel+0x70/0xd0 [drm]
[59236.533398] drm_ioctl+0x1fc/0x458 [drm]
[59236.537344] amdgpu_drm_ioctl+0x58/0x90 [amdgpu]
[59236.541942] do_vfs_ioctl+0xc4/0xb50
[59236.545502] SyS_ioctl+0x8c/0xa8
[59236.548715] el0_svc_naked+0x30/0x34
这段trace很明显出现了多次crash交叉打印的情况，我分析并还原了一下trace，具体有下面这几段：
[19950.518042] BUG: Bad page state in process QThread pfn:2081ba5
[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
[19950.600974] CPU: 5 PID: 68692 Comm: QThread Not tainted 4.15.18 #1
[19950.605831] Modules linked in:
[19950.611981] Hardware name: 12/14/2019
[19950.615024] Call trace:
[19950.625862] dump_backtrace+0x0/0x198
[19950.630646] show_stack+0x24/0x30
[19950.638630] dump_stack+0x98/0xbc
[19950.644623] bad_page+0xf0/0x158
[19950.644625] check_new_page_bad+0x80/0xb0
[19950.650534] get_page_from_freelist+0xe70/0x1410
[19950.657739] __alloc_pages_nodemask+0x11c/0xd50
[19950.664686] alloc_pages_current+0x88/0xe8
[19950.664690] iommu_dma_alloc+0x13c/0x3e0
[19950.671375] __iommu_alloc_attrs+0xbc/0x2a0
[19950.679106] ttm_dma_pool_get_pages+0x324/0x4a8 [ttm]
[19950.679112] ttm_dma_populate+0x150/0x390 [ttm]
[19950.684935] amdgpu_ttm_tt_populate+0xec/0x100 [amdgpu]
[19950.692148] ttm_tt_bind+0x3c/0x80 [ttm]
[19950.701684] ttm_bo_handle_move_mem+0x454/0x490 [ttm]
[19950.708974] ttm_bo_validate+0x160/0x170 [ttm]
[19950.715921] ttm_bo_init_reserved+0x300/0x3e0 [ttm]
[19950.723337] amdgpu_bo_do_create+0x180/0x3d0 [amdgpu]
[19950.723381] amdgpu_bo_create+0x88/0x230 [amdgpu]
[19950.730415] amdgpu_gem_object_create+0xa0/0x140 [amdgpu]
[19950.730458] amdgpu_gem_create_ioctl+0x194/0x2b0 [amdgpu]
[19950.739292] drm_ioctl_kernel+0x70/0xd0 [drm]
[19950.747607] drm_ioctl+0x1fc/0x458 [drm]
[19950.754503] amdgpu_drm_ioctl+0x58/0x90 [amdgpu]
[19950.765200] do_vfs_ioctl+0xc4/0xb50
[19950.771538] SyS_ioctl+0x8c/0xa8
[19950.771541] el0_svc_naked+0x30/0x34
[19950.511400] Unable to handle kernel paging request at virtual address 1f7c7ec9167269
[19950.519143] Mem abort info:
[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
[19950.591540] Internal error: Oops: 96000004 [#1] SMP
[19951.088994] Process gfx (pid: 1351, stack limit = 0x00000000a401cdf7)
[19951.093518] CPU: 33 PID: 1351 Comm: gfx Tainted: G B 4.15.18 #1
[19951.442902] Hardware name: ****************隐去************************* 12/14/2019
[19951.098217] pstate: 20c00009 (nzCv daif +PAN +UAO)
[19951.102399] pc : kmem_cache_alloc+0xd4/0x220
[19951.111243] lr : kmem_cache_alloc+0x1d8/0x220
[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
[19951.131442] x28: 0000000000000000
[19951.138733] x27: ffff802f974c09c0 x26: ffffa05789238800
[19951.152110] x25: 0000000000000000
[19951.166143] x24: ffff802f974c0ee0
[19951.263930] x23: ffffa02fa2cf9200
[19951.272861] x22: ffff000002491384
[19951.280326] x21: 00000000014000c0
[19951.290900] x20: ffffa02fa2cf9200
[19951.312049] x19: ffff802081ba40e0
[19951.322623] x18: 0000ffffb7ee3a70
[19951.343769] x17: 0000ffffb944bff8
[19951.354343] x16: ffff000008185188
[19951.369700] x15: 0000000000000000
[19951.377337] x14: 0000000000000002
[19951.392176] x13: 000000000000270f
[19951.400246] x12: 0000000000000001
[19951.418888] x11: 0000000000000000
[19951.428339] x10: 0000000000000ad0
[19951.448277] x9 : ffff0000280e3d10
[19951.457989] x8 : ffff802081ba40e0
[19951.466490] x7 : 721f7c7ec9167269
[19951.473263] x6 : 8de0fc5e48ac3289
[19951.494932] x5 : 00000000017d19ad
[19951.501100] x4 : ffff80579fb103b0
[19951.514125] x3 : 00000000017d19ae
[19951.519685] x2 : 721f03a1b753cd76
[19951.524990] x1 : 0000000000000000
[19951.531336] x0 : 721f7c7ec9167269
[19951.543151] Call trace:
[19951.549061] kmem_cache_alloc+0xd4/0x220
[19951.555483] amdgpu_sync_fence+0xc4/0x168 [amdgpu]
[19951.560944] amdgpu_vm_grab_id+0x234/0x8e8 [amdgpu]
[19951.566322] amdgpu_job_dependency+0xf4/0x148 [amdgpu]
[19951.566372] amd_sched_main+0xc8/0x488 [amdgpu]
[19951.571111] kthread+0x134/0x138
[19951.571114] ret_from_fork+0x10/0x18
[19950.778644] BUG: Bad page state in process QThread pfn:2081cf4
[19950.785088] page:ffff7e0082073d00 count:0 mapcount:0 mapping:ffffa02fba53c658 index:0x18f3d5
[19950.791260] flags: 0x1ffff0000000000()
[19950.798555] raw: 01ffff0000000000 ffffa02fba53c658 000000000018f3d5 00000000ffffffff
[19950.804462] raw: dead000000000100 dead000000000200 0000000000000000 0000000000000000
[19950.812621] page dumped because: non-NULL mapping
[19950.823719] Modules linked in:
[19951.433196] CPU: 17 PID: 78440 Comm: QThread Tainted: G B W 4.15.18 #1
[19951.098215] Hardware name: **************隐去****************** 12/14/2019
[19951.442904] Call trace:
[19951.453657] dump_backtrace+0x0/0x198
[19951.461894] show_stack+0x24/0x30
[19951.470053] dump_stack+0x98/0xbc
[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
[19951.498318] free_unref_page+0x74/0x88
[19951.498320] __free_pages+0x58/0x68
[19951.504489] __iommu_dma_free_pages+0x38/0x58
[19951.512037] iommu_dma_free+0x4c/0x60
[19951.516303] __iommu_free_attrs+0x94/0x1a8
[19951.521615] __ttm_dma_free_page.isra.4.constprop.11+0xa8/0xe8 [ttm]
[19951.527775] ttm_dma_unpopulate+0x100/0x4b0 [ttm]
[19951.527851] amdgpu_ttm_tt_unpopulate+0xa8/0xb8 [amdgpu]
[19951.534726] ttm_tt_unpopulate.part.2+0x64/0x70 [ttm]
[19951.540460] ttm_tt_destroy.part.3+0x68/0x70 [ttm]
[19951.546540] ttm_tt_destroy+0x24/0x30 [ttm]
[19951.552448] ttm_bo_cleanup_memtype_use+0x40/0x98 [ttm]
[19951.557493] ttm_bo_unref+0x1d0/0x270 [ttm]
[19951.562932] amdgpu_bo_unref+0x44/0x78 [amdgpu]
[19951.568546] amdgpu_gem_object_free+0x44/0x68 [amdgpu]
[19951.574526] drm_gem_object_free+0x30/0x70 [drm]
[19951.579729] drm_gem_object_put_unlocked+0x7c/0xa0 [drm]
[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
[19951.114264] ------------[ 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: 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 ]---
[19951.863655] 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