https://bugzilla.kernel.org/show_bug.cgi?id=211875 --- Comment #10 from Erhard F. (erhard_f@xxxxxxxxxxx) --- Created attachment 296715 --> https://bugzilla.kernel.org/attachment.cgi?id=296715&action=edit dmesg (kernel 5.13-rc1, A10-9700E) Some locking stacktrace on kernel v5.13-rc1 before the usual "smu8_send_msg_to_smc_with_parameter" messages: [...] ================================ WARNING: inconsistent lock state 5.13.0-rc1-bdver4 #9 Not tainted -------------------------------- inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. X/591 [HC1[1]:SC0[0]:HE0:SE1] takes: ffffffffbe37d160 (fs_reclaim){?.+.}-{0:0}, at: fs_reclaim_acquire+0xf7/0x160 {HARDIRQ-ON-W} state was registered at: lock_acquire+0x1a0/0x6e0 fs_reclaim_acquire+0x117/0x160 kmem_cache_alloc_trace+0x3b/0x320 init_rescuer+0x80/0x330 workqueue_init+0x12f/0x2fd kernel_init_freeable+0x305/0x584 kernel_init+0x8/0x116 ret_from_fork+0x22/0x30 irq event stamp: 68143332 hardirqs last enabled at (68143331): [<ffffffffbd800baf>] asm_sysvec_apic_timer_interrupt+0xf/0x20 hardirqs last disabled at (68143332): [<ffffffffbd774184>] common_interrupt+0x14/0xa0 softirqs last enabled at (68143304): [<ffffffffbc0d0cd9>] irq_exit_rcu+0x119/0x1a0 softirqs last disabled at (68143299): [<ffffffffbc0d0cd9>] irq_exit_rcu+0x119/0x1a0 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(fs_reclaim); <Interrupt> lock(fs_reclaim); *** DEADLOCK *** 5 locks held by X/591: #0: ffff88810397fa20 (crtc_ww_class_acquire){+.+.}-{0:0}, at: set_property_atomic+0xb2/0x2f0 [drm] #1: ffff88812bc00538 (crtc_ww_class_mutex){+.+.}-{3:3}, at: modeset_lock+0x364/0x500 [drm] #2: ffff88812bc1cb58 (&adev->dm.dc_lock){+.+.}-{3:3}, at: amdgpu_dm_atomic_commit_tail+0xa12/0x9870 [amdgpu] #3: ffff8881538d6880 (&hwmgr->smu_lock){+.+.}-{3:3}, at: pp_dpm_dispatch_tasks+0x50/0x90 [amdgpu] #4: ffff8881538d6910 (&hwmgr->msg_lock){+.+.}-{3:3}, at: smum_send_msg_to_smc_with_parameter+0x1bf/0x300 [amdgpu] stack backtrace: CPU: 1 PID: 591 Comm: X Not tainted 5.13.0-rc1-bdver4 #9 Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./A320M-HDV R3.0, BIOS P3.10 06/26/2019 Call Trace: <IRQ> dump_stack+0xa5/0xe6 mark_lock.cold+0x145/0x14f ? lock_chain_count+0x20/0x20 ? mark_lock+0xee/0x2fd0 ? lock_chain_count+0x20/0x20 ? lock_chain_count+0x20/0x20 ? lock_chain_count+0x20/0x20 ? rcu_read_lock_sched_held+0x3a/0x70 __lock_acquire+0x146a/0x5d40 ? debug_check_no_locks_held+0xa0/0xa0 ? mark_lock+0xee/0x2fd0 ? debug_check_no_locks_held+0xa0/0xa0 lock_acquire+0x1a0/0x6e0 ? fs_reclaim_acquire+0xf7/0x160 ? lock_release+0x730/0x730 ? amdgpu_dm_irq_handler+0x1ad/0x780 [amdgpu] ? lock_downgrade+0x6e0/0x6e0 fs_reclaim_acquire+0x117/0x160 ? fs_reclaim_acquire+0xf7/0x160 ? amdgpu_dm_irq_handler+0x2d1/0x780 [amdgpu] kmem_cache_alloc_trace+0x3b/0x320 amdgpu_dm_irq_handler+0x2d1/0x780 [amdgpu] amdgpu_irq_dispatch+0x280/0x590 [amdgpu] ? amdgpu_irq_add_id+0x2c0/0x2c0 [amdgpu] ? drm_print_bits+0x190/0x190 [drm] ? __lock_acquire+0xd5b/0x5d40 amdgpu_ih_process+0x1c4/0x390 [amdgpu] ? amdgpu_irq_disable_all+0x300/0x300 [amdgpu] amdgpu_irq_handler+0x22/0x210 [amdgpu] ? amdgpu_irq_disable_all+0x300/0x300 [amdgpu] __handle_irq_event_percpu+0x248/0x600 handle_irq_event+0xfa/0x260 ? handle_irq_event_percpu+0x140/0x140 ? lapic_next_event+0x53/0x80 ? clockevents_program_event+0x1c7/0x280 handle_edge_irq+0x1f8/0xa90 __common_interrupt+0x70/0x150 common_interrupt+0x76/0xa0 </IRQ> asm_common_interrupt+0x1b/0x40 RIP: 0010:delay_halt_mwaitx+0x31/0x40 Code: 00 65 48 03 05 a8 83 22 43 31 d2 48 89 d1 0f 01 fa bb ff ff ff ff b8 f0 00 00 00 b9 02 00 00 00 48 39 de 48 0f 46 de 0f 01 fb <5b> c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 83 ec 08 48 89 f8 RSP: 0018:ffff88810397ec38 EFLAGS: 00000297 RAX: 00000000000000f0 RBX: 0000000000000bb3 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000bb3 RDI: 00002c4339a8e963 RBP: 0000000000000bb3 R08: 0000000000000000 R09: ffffffffbe61f63f R10: 0000000000000001 R11: 0000000000000001 R12: ffff8881538d6800 R13: 00000000000001d0 R14: 0000000000000000 R15: ffffed102a71ad3e delay_halt+0x36/0x60 phm_wait_for_register_unequal+0xd5/0x240 [amdgpu] ? amdgpu_device_wreg.part.0+0x2ae/0x350 [amdgpu] smu8_send_msg_to_smc_with_parameter+0x1e9/0x380 [amdgpu] smum_send_msg_to_smc_with_parameter+0x215/0x300 [amdgpu] smu8_set_power_state_tasks+0x691/0xe10 [amdgpu] ? debug_check_no_locks_held+0xa0/0xa0 phm_set_power_state+0xcc/0x130 [amdgpu] ? phm_power_down_asic+0x90/0x90 [amdgpu] psm_adjust_power_state_dynamic+0x172/0x570 [amdgpu] ? psm_set_user_performance_state+0x1c0/0x1c0 [amdgpu] ? mutex_lock_io_nested+0xfd0/0xfe0 ? memcpy+0x39/0x60 ? psm_set_states+0x109/0x190 [amdgpu] hwmgr_handle_task+0x10a/0x1f0 [amdgpu] ? hwmgr_resume+0xc0/0xc0 [amdgpu] ? amdgpu_debugfs_fence_info_show+0x450/0x450 [amdgpu] pp_dpm_dispatch_tasks+0x5e/0x90 [amdgpu] ? pp_get_power_limit+0x250/0x250 [amdgpu] amdgpu_pm_compute_clocks.part.0+0x245/0x1500 [amdgpu] ? wait_for_completion_killable_timeout+0x2c0/0x2c0 ? amdgpu_dpm_get_vrefresh+0x1c0/0x1c0 [amdgpu] ? phm_store_dal_configuration_data+0x2d0/0x3f0 [amdgpu] ? pp_get_current_clocks+0x6e0/0x6e0 [amdgpu] ? pp_get_current_clocks+0x6e0/0x6e0 [amdgpu] dm_pp_apply_display_requirements+0x92c/0xc60 [amdgpu] dce11_update_clocks+0x27f/0x3d0 [amdgpu] ? dce11_pplib_apply_display_requirements+0xbb0/0xbb0 [amdgpu] dc_commit_state+0x422/0x27a0 [amdgpu] ? amdgpu_dm_atomic_commit_tail+0xa12/0x9870 [amdgpu] ? unwind_next_frame+0x15a6/0x1cf0 ? dc_allow_idle_optimizations+0x1c0/0x1c0 [amdgpu] ? drm_atomic_helper_calc_timestamping_constants+0x15a/0x1f0 [drm_kms_helper] amdgpu_dm_atomic_commit_tail+0xa47/0x9870 [amdgpu] ? mark_lock+0xee/0x2fd0 ? dm_crtc_helper_atomic_check+0x960/0x960 [amdgpu] ? mark_lock+0xee/0x2fd0 ? lock_chain_count+0x20/0x20 ? lock_chain_count+0x20/0x20 ? __lock_acquire+0xd5b/0x5d40 ? check_chain_key+0x24a/0x580 ? __lock_acquire+0xd5b/0x5d40 ? mark_lock+0xee/0x2fd0 ? debug_check_no_locks_held+0xa0/0xa0 ? mark_lock+0xee/0x2fd0 ? lock_chain_count+0x20/0x20 ? __lock_acquire+0xd5b/0x5d40 ? check_chain_key+0x24a/0x580 ? wait_for_completion_timeout+0x19d/0x220 ? mark_held_locks+0x9e/0xe0 ? rwlock_bug.part.0+0x90/0x90 ? lockdep_hardirqs_on_prepare+0x273/0x3f0 ? _raw_spin_unlock_irq+0x1f/0x30 ? trace_hardirqs_on+0x1c/0x110 ? _raw_spin_unlock_irq+0x1f/0x30 ? wait_for_completion_timeout+0x19d/0x220 ? wait_for_completion_io+0x210/0x210 ? hpet_msi_interrupt_handler+0x50/0x50 ? mark_held_locks+0x9e/0xe0 ? drm_crtc_commit_wait+0x29/0x60 [drm] ? drm_atomic_helper_wait_for_dependencies+0x429/0x670 [drm_kms_helper] commit_tail+0x1a9/0x300 [drm_kms_helper] drm_atomic_helper_commit+0x216/0x290 [drm_kms_helper] drm_atomic_connector_commit_dpms+0x2d7/0x4f0 [drm] ? drm_modeset_acquire_init+0x1e9/0x390 [drm] ? set_property_atomic+0xb2/0x2f0 [drm] set_property_atomic+0x1be/0x2f0 [drm] ? drm_mode_object_get+0x110/0x110 [drm] ? lock_acquire+0x1a0/0x6e0 drm_mode_obj_set_property_ioctl+0x339/0x4c0 [drm] ? drm_connector_set_obj_prop+0x160/0x160 [drm] drm_connector_property_set_ioctl+0xee/0x180 [drm] ? drm_connector_set_obj_prop+0x160/0x160 [drm] ? drm_is_current_master+0x65/0x120 [drm] ? drm_connector_set_obj_prop+0x160/0x160 [drm] ? drm_ioctl_permit+0x132/0x160 [drm] drm_ioctl_kernel+0x1c8/0x260 [drm] ? drm_ioctl_permit+0x160/0x160 [drm] ? debug_check_no_locks_held+0xa0/0xa0 drm_ioctl+0x419/0x890 [drm] ? drm_connector_set_obj_prop+0x160/0x160 [drm] ? drm_ioctl_kernel+0x260/0x260 [drm] ? lock_downgrade+0x6e0/0x6e0 ? lockdep_hardirqs_on_prepare+0x273/0x3f0 ? _raw_spin_unlock_irqrestore+0x42/0x50 ? trace_hardirqs_on+0x1c/0x110 amdgpu_drm_ioctl+0xc9/0x1a0 [amdgpu] __x64_sys_ioctl+0x11b/0x170 do_syscall_64+0x61/0x80 ? lockdep_hardirqs_on_prepare+0x273/0x3f0 ? do_syscall_64+0x6e/0x80 ? do_syscall_64+0x6e/0x80 ? lockdep_hardirqs_on_prepare+0x273/0x3f0 ? do_syscall_64+0x6e/0x80 ? do_syscall_64+0x6e/0x80 ? do_syscall_64+0x6e/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f7acfa36937 Code: 3c 1c 48 f7 d8 4c 39 e0 77 b9 e8 24 ff ff ff 85 c0 78 be 5b 4c 89 e0 5d 41 5c c3 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 45 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffcba76bd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7acfa36937 RDX: 00007ffcba76bd98 RSI: 00000000c01064ab RDI: 000000000000000c RBP: 00000000c01064ab R08: 0000562d03ee9cf8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d040468b0 R13: 00007ffcba76bd98 R14: 0000000000000000 R15: 0000562d027ab540 ------------[ cut here ]------------ -- You may reply to this email to add a comment. 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