[ 925.738225 < 0.188086>] BUG: kernel NULL pointer dereference, address: 0000000000000090 [ 925.738232 < 0.000007>] #PF: supervisor read access in kernel mode [ 925.738236 < 0.000004>] #PF: error_code(0x0000) - not-present page [ 925.738240 < 0.000004>] PGD 0 P4D 0 [ 925.738245 < 0.000005>] Oops: 0000 [#1] SMP PTI [ 925.738249 < 0.000004>] CPU: 7 PID: 2547 Comm: amdgpu_test Tainted: G W OE 5.5.0-rc7-dev-kfd+ #50 [ 925.738256 < 0.000007>] Hardware name: System manufacturer System Product Name/RAMPAGE IV FORMULA, BIOS 4804 12/30/2013 [ 925.738266 < 0.000010>] RIP: 0010:kernfs_find_ns+0x18/0x110 [ 925.738270 < 0.000004>] Code: a6 cf ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 41 57 41 56 49 89 f6 41 55 41 54 49 89 fd 55 53 49 89 d4 <0f> b7 af 90 00 00 00 8b 05 8f ee 6b 01 48 8b 5f 68 66 83 e5 20 41 [ 925.738282 < 0.000012>] RSP: 0018:ffffad6d0118fb00 EFLAGS: 00010246 [ 925.738287 < 0.000005>] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 2098a12076864b7e [ 925.738292 < 0.000005>] RDX: 0000000000000000 RSI: ffffffffb6606b31 RDI: 0000000000000000 [ 925.738297 < 0.000005>] RBP: ffffffffb6606b31 R08: ffffffffb5379d10 R09: 0000000000000000 [ 925.738302 < 0.000005>] R10: ffffad6d0118fb38 R11: ffff9a75f64820a8 R12: 0000000000000000 [ 925.738307 < 0.000005>] R13: 0000000000000000 R14: ffffffffb6606b31 R15: ffff9a7612b06130 [ 925.738313 < 0.000006>] FS: 00007f3eca4e8700(0000) GS:ffff9a763dbc0000(0000) knlGS:0000000000000000 [ 925.738319 < 0.000006>] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 925.738323 < 0.000004>] CR2: 0000000000000090 CR3: 0000000035e5a005 CR4: 00000000000606e0 [ 925.738329 < 0.000006>] Call Trace: [ 925.738334 < 0.000005>] kernfs_find_and_get_ns+0x2e/0x50 [ 925.738339 < 0.000005>] sysfs_remove_group+0x25/0x80 [ 925.738344 < 0.000005>] sysfs_remove_groups+0x29/0x40 [ 925.738350 < 0.000006>] free_msi_irqs+0xf5/0x190 [ 925.738354 < 0.000004>] pci_disable_msi+0xe9/0x120 [ 925.738406 < 0.000052>] amdgpu_irq_fini+0xe3/0xf0 [amdgpu] [ 925.738453 < 0.000047>] tonga_ih_sw_fini+0xe/0x30 [amdgpu] [ 925.738490 < 0.000037>] amdgpu_device_fini_late+0x14b/0x440 [amdgpu] [ 925.738529 < 0.000039>] amdgpu_driver_release_kms+0x16/0x40 [amdgpu] [ 925.738548 < 0.000019>] drm_dev_put+0x5b/0x80 [drm] [ 925.738558 < 0.000010>] drm_release+0xc6/0xd0 [drm] [ 925.738563 < 0.000005>] __fput+0xc6/0x260 [ 925.738568 < 0.000005>] task_work_run+0x79/0xb0 [ 925.738573 < 0.000005>] do_exit+0x3d0/0xc60 [ 925.738578 < 0.000005>] do_group_exit+0x47/0xb0 [ 925.738583 < 0.000005>] get_signal+0x18b/0xc30 [ 925.738589 < 0.000006>] do_signal+0x36/0x6a0 [ 925.738593 < 0.000004>] ? force_sig_info_to_task+0xbc/0xd0 [ 925.738597 < 0.000004>] ? signal_wake_up_state+0x15/0x30 [ 925.738603 < 0.000006>] exit_to_usermode_loop+0x6f/0xc0 [ 925.738608 < 0.000005>] prepare_exit_to_usermode+0xc7/0x110 [ 925.738613 < 0.000005>] ret_from_intr+0x25/0x35 [ 925.738617 < 0.000004>] RIP: 0033:0x417369 [ 925.738621 < 0.000004>] Code: Bad RIP value. [ 925.738625 < 0.000004>] RSP: 002b:00007ffdd6bf0900 EFLAGS: 00010246 [ 925.738629 < 0.000004>] RAX: 00007f3eca509000 RBX: 000000000000001e RCX: 00007f3ec95ba260 [ 925.738634 < 0.000005>] RDX: 00007f3ec9889790 RSI: 000000000000000a RDI: 0000000000000000 [ 925.738639 < 0.000005>] RBP: 00007ffdd6bf0990 R08: 00007f3ec9889780 R09: 00007f3eca4e8700 [ 925.738645 < 0.000006>] R10: 000000000000035c R11: 0000000000000246 R12: 00000000021c6170 [ 925.738650 < 0.000005>] R13: 00007ffdd6bf0c00 R14: 0000000000000000 R15: 0000000000000000 [ 40.880899 < 0.000004>] BUG: kernel NULL pointer dereference, address: 0000000000000090 [ 40.880906 < 0.000007>] #PF: supervisor read access in kernel mode [ 40.880910 < 0.000004>] #PF: error_code(0x0000) - not-present page [ 40.880915 < 0.000005>] PGD 0 P4D 0 [ 40.880920 < 0.000005>] Oops: 0000 [#1] SMP PTI [ 40.880924 < 0.000004>] CPU: 1 PID: 2526 Comm: amdgpu_test Tainted: G W OE 5.5.0-rc7-dev-kfd+ #50 [ 40.880932 < 0.000008>] Hardware name: System manufacturer System Product Name/RAMPAGE IV FORMULA, BIOS 4804 12/30/2013 [ 40.880941 < 0.000009>] RIP: 0010:kernfs_find_ns+0x18/0x110 [ 40.880945 < 0.000004>] Code: a6 cf ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 41 57 41 56 49 89 f6 41 55 41 54 49 89 fd 55 53 49 89 d4 <0f> b7 af 90 00 00 00 8b 05 8f ee 6b 01 48 8b 5f 68 66 83 e5 20 41 [ 40.880957 < 0.000012>] RSP: 0018:ffffaf3380467ba8 EFLAGS: 00010246 [ 40.880963 < 0.000006>] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 2098a12076864b7e [ 40.880968 < 0.000005>] RDX: 0000000000000000 RSI: ffffffffc0678cfc RDI: 0000000000000000 [ 40.880973 < 0.000005>] RBP: ffffffffc0678cfc R08: ffffffffaa379d10 R09: 0000000000000000 [ 40.880979 < 0.000006>] R10: ffffaf3380467be0 R11: ffff93547615d128 R12: 0000000000000000 [ 40.880984 < 0.000005>] R13: 0000000000000000 R14: ffffffffc0678cfc R15: ffff93549be86130 [ 40.880990 < 0.000006>] FS: 00007fd9ecb10700(0000) GS:ffff9354bd840000(0000) knlGS:0000000000000000 [ 40.880996 < 0.000006>] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.881001 < 0.000005>] CR2: 0000000000000090 CR3: 0000000072866001 CR4: 00000000000606e0 [ 40.881006 < 0.000005>] Call Trace: [ 40.881011 < 0.000005>] kernfs_find_and_get_ns+0x2e/0x50 [ 40.881016 < 0.000005>] sysfs_remove_group+0x25/0x80 [ 40.881055 < 0.000039>] amdgpu_device_fini_late+0x3eb/0x440 [amdgpu] [ 40.881095 < 0.000040>] amdgpu_driver_release_kms+0x16/0x40 [amdgpu] [ 40.881109 < 0.000014>] drm_dev_put+0x5b/0x80 [drm] [ 40.881119 < 0.000010>] drm_release+0xc6/0xd0 [drm] [ 40.881124 < 0.000005>] __fput+0xc6/0x260 [ 40.881129 < 0.000005>] task_work_run+0x79/0xb0 [ 40.881134 < 0.000005>] do_exit+0x3d0/0xc60 [ 40.881138 < 0.000004>] do_group_exit+0x47/0xb0 [ 40.881143 < 0.000005>] get_signal+0x18b/0xc30 [ 40.881149 < 0.000006>] do_signal+0x36/0x6a0 [ 40.881153 < 0.000004>] ? force_sig_info_to_task+0xbc/0xd0 [ 40.881158 < 0.000005>] ? signal_wake_up_state+0x15/0x30 [ 40.881164 < 0.000006>] exit_to_usermode_loop+0x6f/0xc0 [ 40.881170 < 0.000006>] prepare_exit_to_usermode+0xc7/0x110 [ 40.881176 < 0.000006>] ret_from_intr+0x25/0x35 [ 40.881181 < 0.000005>] RIP: 0033:0x417369 [ 40.881185 < 0.000004>] Code: Bad RIP value. [ 40.881188 < 0.000003>] RSP: 002b:00007ffd6a742f90 EFLAGS: 00010246 [ 40.881193 < 0.000005>] RAX: 00007fd9ecb31000 RBX: 000000000000001e RCX: 00007fd9ebbe2260 [ 40.881199 < 0.000006>] RDX: 00007fd9ebeb1790 RSI: 000000000000000a RDI: 0000000000000000 [ 40.881204 < 0.000005>] RBP: 00007ffd6a743020 R08: 00007fd9ebeb1780 R09: 00007fd9ecb10700 [ 40.881210 < 0.000006>] R10: 000000000000035c R11: 0000000000000246 R12: 00000000023e0170 [ 40.881215 < 0.000005>] R13: 00007ffd6a743290 R14: 0000000000000000 R15: 0000000000000000