[Bug 208135] AMDGPU sleep with preemption disabled

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=208135

--- Comment #2 from yshuiv7 at gmail.com ---
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

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