Discovered by lockdep: [ 39.797936] BUG: sleeping function called from invalid context at mm/slab.h:567 [ 39.799669] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1894, name: Xorg.wrap [ 39.801379] INFO: lockdep is turned off. [ 39.803079] Preemption disabled at: [ 39.803084] [<ffffffffad67ff2e>] kernel_fpu_begin+0xe/0x70 [ 39.806304] CPU: 22 PID: 1894 Comm: Xorg.wrap Tainted: P W O T 5.7.2-local+ #15 [ 39.807849] Hardware name: System manufacturer System Product Name/ROG STRIX X470-F GAMING, BIOS 5406 11/13/2019 [ 39.809341] Call Trace: [ 39.810828] show_stack+0x3e/0x40 [ 39.812311] dump_stack+0x7a/0xaa [ 39.813802] ___might_sleep.cold+0xfa/0x10b [ 39.815280] __might_sleep+0x50/0x90 [ 39.816775] __kmalloc+0x1d6/0x230 [ 39.818249] ? dcn20_validate_bandwidth_internal+0x6d/0x260 [ 39.819722] dcn20_validate_bandwidth_internal+0x6d/0x260 [ 39.821217] dcn20_validate_bandwidth_fp+0x37/0xc0 [ 39.822698] dcn20_validate_bandwidth+0x2f/0x50 [ 39.824172] dc_validate_global_state+0x293/0x320 [ 39.825654] amdgpu_dm_atomic_check+0x475/0x7a0 [ 39.827130] drm_atomic_check_only+0x1e3/0x370 [ 39.828595] drm_atomic_commit+0x1c/0x60 [ 39.830052] drm_client_modeset_commit_atomic+0x1e4/0x250 [ 39.831538] drm_client_modeset_commit_locked+0x58/0x90 [ 39.832989] drm_client_modeset_commit+0x2a/0x50 [ 39.834455] drm_fb_helper_lastclose+0x56/0xa0 [ 39.835913] amdgpu_driver_lastclose_kms+0x9/0x10 [ 39.837372] drm_release+0xd7/0x110 [ 39.838821] __fput+0xf2/0x280 [ 39.840255] ____fput+0x10/0x20 [ 39.841667] task_work_run+0x62/0xa0 [ 39.843027] exit_to_usermode_loop+0xa7/0xb0 [ 39.844343] prepare_exit_to_usermode+0xd6/0x100 [ 39.845586] do_syscall_64+0x99/0x180 [ 39.846794] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 39.847994] RIP: 0033:0x7fcaa32852f7 [ 39.849169] Code: ff e8 6d e5 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 13 4d f9 ff [ 39.850483] RSP: 002b:00007ffc0988ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 39.851802] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00007fcaa32852f7 [ 39.853111] RDX: 00007ffc0988ac80 RSI: 00000000c04064a0 RDI: 0000000000000003 [ 39.854431] RBP: 00007ffc0988acd0 R08: 0000000000000000 R09: 00007ffc0988aaf0 [ 39.855737] R10: 000055c3f212f64b R11: 0000000000000246 R12: 0000000000000003 [ 39.857039] R13: 0000000000000001 R14: 0000000000000000 R15: 00007ffc0988ac80 [ 47.693575] BUG: sleeping function called from invalid context at mm/slab.h:567 [ 47.693581] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1894, name: Xorg [ 47.693584] INFO: lockdep is turned off. [ 47.693585] Preemption disabled at: [ 47.693590] [<ffffffffad67ff2e>] kernel_fpu_begin+0xe/0x70 [ 47.693595] CPU: 23 PID: 1894 Comm: Xorg Tainted: P W O T 5.7.2-local+ #15 [ 47.693598] Hardware name: System manufacturer System Product Name/ROG STRIX X470-F GAMING, BIOS 5406 11/13/2019 [ 47.693600] Call Trace: [ 47.693606] show_stack+0x3e/0x40 [ 47.693611] dump_stack+0x7a/0xaa [ 47.693615] ___might_sleep.cold+0xfa/0x10b [ 47.693619] __might_sleep+0x50/0x90 [ 47.693624] __kmalloc+0x1d6/0x230 [ 47.693628] ? dcn20_validate_bandwidth_internal+0x6d/0x260 [ 47.693632] dcn20_validate_bandwidth_internal+0x6d/0x260 [ 47.693636] dcn20_validate_bandwidth_fp+0x37/0xc0 [ 47.693640] dcn20_validate_bandwidth+0x2f/0x50 [ 47.693644] dc_validate_global_state+0x293/0x320 [ 47.693649] amdgpu_dm_atomic_check+0x475/0x7a0 [ 47.693654] drm_atomic_check_only+0x1e3/0x370 [ 47.693658] drm_atomic_commit+0x1c/0x60 [ 47.693662] drm_atomic_helper_set_config+0x80/0xd0 [ 47.693666] drm_mode_setcrtc+0x1fa/0x7d0 [ 47.693675] ? drm_mode_getcrtc+0x1b0/0x1b0 [ 47.693679] drm_ioctl_kernel+0x96/0xe0 [ 47.693684] drm_ioctl+0x22f/0x3c8 [ 47.693686] ? drm_mode_getcrtc+0x1b0/0x1b0 [ 47.693694] ? _raw_spin_unlock_irqrestore+0x38/0x60 [ 47.693698] amdgpu_drm_ioctl+0x55/0x90 [ 47.693703] ksys_ioctl+0x97/0xb0 [ 47.693707] __x64_sys_ioctl+0x15/0x20 [ 47.693710] do_syscall_64+0x5e/0x180 [ 47.693714] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 47.693717] RIP: 0033:0x7fcc6ea748eb [ 47.693720] Code: 0f 1e fa 48 8b 05 a5 95 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 75 95 0c 00 f7 d8 64 89 01 48 [ 47.693722] RSP: 002b:00007ffddc4aa4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.693725] RAX: ffffffffffffffda RBX: 00007ffddc4aa530 RCX: 00007fcc6ea748eb [ 47.693727] RDX: 00007ffddc4aa530 RSI: 00000000c06864a2 RDI: 000000000000000f [ 47.693729] RBP: 00000000c06864a2 R08: 0000000000000000 R09: 000055fa7b8ba8f0 [ 47.693731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.693733] R13: 000000000000000f R14: 000055fa7acbcac0 R15: 0000000000000000
And one more: [ 2.075377] BUG: sleeping function called from invalid context at mm/slab.h:567 [ 2.075391] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 [ 2.075406] 1 lock held by swapper/0/1: [ 2.075414] #0: ffff9dc3472fe228 (&dev->mutex){....}-{3:3}, at: device_driver_attach+0x48/0xc0 [ 2.075435] Preemption disabled at: [ 2.075437] [<ffffffff86a7ff2e>] kernel_fpu_begin+0xe/0x70 [ 2.075456] CPU: 9 PID: 1 Comm: swapper/0 Tainted: G T 5.7.2-local+ #16 [ 2.075471] Hardware name: System manufacturer System Product Name/ROG STRIX X470-F GAMING, BIOS 5406 11/13/2019 [ 2.075489] Call Trace: [ 2.075497] show_stack+0x3e/0x40 [ 2.075507] dump_stack+0x7a/0xaa [ 2.075516] ___might_sleep.cold+0xfa/0x10b [ 2.075528] __might_sleep+0x50/0x90 [ 2.075538] kmem_cache_alloc_trace+0x1b1/0x200 [ 2.075549] ? dcn20_clock_source_create+0x42/0xb0 [ 2.075560] dcn20_clock_source_create+0x42/0xb0 [ 2.075572] dcn20_resource_construct+0x17b/0xb00 [ 2.075583] ? rcu_read_lock_sched_held+0x5a/0xa0 [ 2.075594] ? trace_kmalloc+0x105/0x130 [ 2.075605] ? kmem_cache_alloc_trace+0xec/0x200 [ 2.075617] dcn20_create_resource_pool+0x47/0x70 [ 2.075628] dc_create_resource_pool+0x142/0x170 [ 2.075639] ? dal_gpio_service_create+0x98/0x120 [ 2.075650] dc_construct+0x1b1/0x360 [ 2.075660] dc_create+0x48/0x120 [ 2.075669] amdgpu_dm_init.isra.0+0x155/0x1b0 [ 2.075685] dm_hw_init+0xe/0x20 [ 2.075695] amdgpu_device_ip_init+0x2b5/0x33e [ 2.075706] amdgpu_device_init.cold+0x74f/0x9f3 [ 2.075717] amdgpu_driver_load_kms+0x51/0x180 [ 2.075728] amdgpu_pci_probe+0xbb/0x140 [ 2.075739] pci_device_probe+0xf2/0x160 [ 2.075750] really_probe+0xf5/0x420 [ 2.075760] driver_probe_device+0xc2/0x110 [ 2.075770] device_driver_attach+0xb9/0xc0 [ 2.075781] __driver_attach+0x94/0x150 [ 2.075791] ? device_driver_attach+0xc0/0xc0 [ 2.075801] bus_for_each_dev+0x6b/0xa0 [ 2.075811] driver_attach+0x19/0x20 [ 2.075820] bus_add_driver+0x149/0x200 [ 2.075830] driver_register+0x8c/0xe0 [ 2.075840] __pci_register_driver+0x6b/0x80 [ 2.075850] amdgpu_init+0x9c/0xbc [ 2.075859] ? drm_sched_fence_slab_init+0x7e/0x7e [ 2.075870] do_one_initcall+0x5c/0x330 [ 2.075880] ? rcu_read_lock_sched_held+0x5a/0xa0 [ 2.075893] do_initcalls+0x104/0x162 [ 2.075903] kernel_init_freeable+0x193/0x235 [ 2.075913] ? rest_init+0x241/0x241 [ 2.075923] kernel_init+0x9/0xff [ 2.075931] ret_from_fork+0x27/0x50
And another one: [ 2.071364] BUG: sleeping function called from invalid context at mm/slab.h:567 [ 2.071379] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 [ 2.071393] 1 lock held by swapper/0/1: [ 2.071402] #0: ffff953e072b7228 (&dev->mutex){....}-{3:3}, at: device_driver_attach+0x48/0xc0 [ 2.071422] Preemption disabled at: [ 2.071424] [<ffffffffb8a7ff2e>] kernel_fpu_begin+0xe/0x70 [ 2.071443] CPU: 18 PID: 1 Comm: swapper/0 Tainted: G T 5.7.2-local+ #17 [ 2.071458] Hardware name: System manufacturer System Product Name/ROG STRIX X470-F GAMING, BIOS 5406 11/13/2019 [ 2.071476] Call Trace: [ 2.071485] show_stack+0x3e/0x40 [ 2.071494] dump_stack+0x7a/0xaa [ 2.071504] ___might_sleep.cold+0xfa/0x10b [ 2.071515] __might_sleep+0x50/0x90 [ 2.071526] kmem_cache_alloc_trace+0x1b1/0x200 [ 2.071536] ? dccg2_create+0x3a/0x70 [ 2.071546] dccg2_create+0x3a/0x70 [ 2.071556] dcn20_resource_construct+0x2e2/0xb00 [ 2.071567] ? rcu_read_lock_sched_held+0x5a/0xa0 [ 2.071578] ? trace_kmalloc+0x105/0x130 [ 2.071589] ? kmem_cache_alloc_trace+0xec/0x200 [ 2.071600] dcn20_create_resource_pool+0x47/0x70 [ 2.071612] dc_create_resource_pool+0x142/0x170 [ 2.071622] ? dal_gpio_service_create+0x98/0x120 [ 2.071633] dc_construct+0x1b1/0x360 [ 2.071644] dc_create+0x48/0x120 [ 2.071653] amdgpu_dm_init.isra.0+0x155/0x1b0 [ 2.071669] dm_hw_init+0xe/0x20 [ 2.071678] amdgpu_device_ip_init+0x2b5/0x33e [ 2.071690] amdgpu_device_init.cold+0x74f/0x9f3 [ 2.071701] amdgpu_driver_load_kms+0x51/0x180 [ 2.071711] amdgpu_pci_probe+0xbb/0x140 [ 2.071722] pci_device_probe+0xf2/0x160 [ 2.071733] really_probe+0xf5/0x420 [ 2.071743] driver_probe_device+0xc2/0x110 [ 2.071754] device_driver_attach+0xb9/0xc0 [ 2.071764] __driver_attach+0x94/0x150 [ 2.071774] ? device_driver_attach+0xc0/0xc0 [ 2.071784] bus_for_each_dev+0x6b/0xa0 [ 2.071794] driver_attach+0x19/0x20 [ 2.071803] bus_add_driver+0x149/0x200 [ 2.071813] driver_register+0x8c/0xe0 [ 2.071823] __pci_register_driver+0x6b/0x80 [ 2.071834] amdgpu_init+0x9c/0xbc [ 2.071842] ? drm_sched_fence_slab_init+0x7e/0x7e [ 2.071853] do_one_initcall+0x5c/0x330 [ 2.071863] ? rcu_read_lock_sched_held+0x5a/0xa0 [ 2.071876] do_initcalls+0x104/0x162 [ 2.071886] kernel_init_freeable+0x193/0x235 [ 2.071897] ? rest_init+0x241/0x241 [ 2.071906] kernel_init+0x9/0xff [ 2.071914] ret_from_fork+0x27/0x50