From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
To: "Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"Pan, Xinhui" <Xinhui.Pan@amd.com>,
amd-gfx@lists.freedesktop.org, rcu@vger.kernel.org
Subject: rcu_sched detected expedited stalls in amdgpu after suspend
Date: Mon, 27 Jun 2022 15:22:24 -0400 [thread overview]
Message-ID: <1656357116.rhe0mufk6a.none@localhost> (raw)
In-Reply-To: 1656357116.rhe0mufk6a.none.ref@localhost
Hi,
Since Linux 5.19-ish, I consistently get these types of errors when
resuming from S3:
[15652.909157] rcu: INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 11-... } 7 jiffies s: 9981 root: 0x800/.
[15652.909162] rcu: blocking rcu_node structures (internal RCU debug):
[15652.909163] Task dump for CPU 11:
[15652.909164] task:kworker/u24:65 state:R running task stack: 0 pid:210218 ppid: 2 flags:0x00004008
[15652.909167] Workqueue: events_unbound async_run_entry_fn
[15652.909172] Call Trace:
[15652.909173] <TASK>
[15652.909174] ? atom_get_src_int+0x38e/0x680
[15652.909179] ? atom_op_test+0x67/0x190
[15652.909181] ? amdgpu_atom_execute_table_locked+0x19a/0x300
[15652.909184] ? atom_op_calltable+0xb1/0x110
[15652.909186] ? amdgpu_atom_execute_table_locked+0x19a/0x300
[15652.909189] ? atom_op_calltable+0xb1/0x110
[15652.909191] ? amdgpu_atom_execute_table_locked+0x19a/0x300
[15652.909193] ? __switch_to+0x137/0x440
[15652.909195] ? amdgpu_atom_asic_init+0xe0/0x100
[15652.909198] ? pci_bus_read_config_dword+0x36/0x50
[15652.909201] ? amdgpu_device_resume+0x10b/0x3e0
[15652.909203] ? amdgpu_pmops_resume+0x32/0x60
[15652.909204] ? pci_pm_suspend+0x2b0/0x2b0
[15652.909206] ? dpm_run_callback+0x35/0x1f0
[15652.909209] ? device_resume+0x1ca/0x220
[15652.909211] ? async_resume+0x19/0xe0
[15652.909213] ? async_run_entry_fn+0x33/0x120
[15652.909215] ? process_one_work+0x1d6/0x350
[15652.909218] ? worker_thread+0x24d/0x480
[15652.909220] ? kthread+0x137/0x150
[15652.909221] ? worker_clr_flags+0x40/0x40
[15652.909224] ? kthread_blkcg+0x30/0x30
[15652.909226] ? ret_from_fork+0x22/0x30
[15652.909227] </TASK>
[15653.015808] rcu: INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 11-... } 7 jiffies s: 9985 root: 0x800/.
[15653.015812] rcu: blocking rcu_node structures (internal RCU debug):
[15653.015813] Task dump for CPU 11:
[15653.015813] task:kworker/u24:65 state:R running task stack: 0 pid:210218 ppid: 2 flags:0x00004008
[15653.015816] Workqueue: events_unbound async_run_entry_fn
[15653.015820] Call Trace:
[15653.015820] <TASK>
[15653.015821] ? amdgpu_cgs_read_register+0x10/0x10
[15653.015825] ? smu7_copy_bytes_to_smc+0xd4/0x200
[15653.015828] ? polaris10_program_memory_timing_parameters+0x195/0x1b0
[15653.015831] ? sysvec_apic_timer_interrupt+0xa/0x80
[15653.015834] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[15653.015836] ? amdgpu_cgs_destroy_device+0x10/0x10
[15653.015839] ? sysvec_apic_timer_interrupt+0xa/0x80
[15653.015841] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[15653.015843] ? amdgpu_cgs_destroy_device+0x10/0x10
[15653.015846] ? amdgpu_device_rreg+0x8f/0xd0
[15653.015847] ? phm_wait_for_register_unequal+0x99/0xd0
[15653.015850] ? smu7_send_msg_to_smc+0x95/0x130
[15653.015853] ? smum_send_msg_to_smc+0x5d/0xa0
[15653.015854] ? amdgpu_cgs_read_ind_register+0xa0/0xa0
[15653.015857] ? smu7_enable_dpm_tasks+0x241f/0x28c0
[15653.015859] ? hwmgr_resume+0x31/0x70
[15653.015861] ? amdgpu_device_resume+0x1fa/0x3e0
[15653.015863] ? amdgpu_pmops_resume+0x32/0x60
[15653.015864] ? pci_pm_suspend+0x2b0/0x2b0
[15653.015866] ? dpm_run_callback+0x35/0x1f0
[15653.015868] ? device_resume+0x1ca/0x220
[15653.015870] ? async_resume+0x19/0xe0
[15653.015872] ? async_run_entry_fn+0x33/0x120
[15653.015874] ? process_one_work+0x1d6/0x350
[15653.015877] ? worker_thread+0x24d/0x480
[15653.015878] ? kthread+0x137/0x150
[15653.015880] ? worker_clr_flags+0x40/0x40
[15653.015882] ? kthread_blkcg+0x30/0x30
[15653.015884] ? ret_from_fork+0x22/0x30
[15653.015886] </TASK>
I have not noticed any resulting problems. I am reporting this in the
hope that it is easy to fix the issue and remove the error messages
which may obscure some future problem.
Thanks,
Alex.
next parent reply other threads:[~2022-06-27 19:23 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1656357116.rhe0mufk6a.none.ref@localhost>
2022-06-27 19:22 ` Alex Xu (Hello71) [this message]
2022-06-27 20:41 ` rcu_sched detected expedited stalls in amdgpu after suspend Paul E. McKenney
2022-06-27 20:41 ` Paul E. McKenney
[not found] ` <1656379893.q9yb069erk.none@localhost>
[not found] ` <20220628041252.GV1790663@paulmck-ThinkPad-P17-Gen-1>
2022-06-28 15:02 ` CONFIG_ANDROID (was: rcu_sched detected expedited stalls in amdgpu after suspend) Alex Xu (Hello71)
2022-06-28 15:02 ` Alex Xu (Hello71)
2022-06-28 15:13 ` Jason A. Donenfeld
2022-06-28 15:13 ` Jason A. Donenfeld
2022-06-28 18:54 ` Paul E. McKenney
2022-06-28 18:54 ` Paul E. McKenney
2022-06-28 19:28 ` Alex Xu (Hello71)
2022-06-28 19:28 ` Alex Xu (Hello71)
2022-06-28 20:11 ` Uladzislau Rezki
2022-06-28 20:11 ` Uladzislau Rezki
2022-07-04 11:30 ` Christian König
2022-07-04 11:30 ` Christian König
2022-07-06 17:48 ` Uladzislau Rezki
2022-07-06 17:48 ` Uladzislau Rezki
2022-07-06 17:58 ` Paul E. McKenney
2022-07-06 17:58 ` Paul E. McKenney
2022-07-06 18:09 ` Uladzislau Rezki
2022-07-06 18:09 ` Uladzislau Rezki
2022-07-06 20:42 ` Paul E. McKenney
2022-07-06 20:42 ` Paul E. McKenney
2022-07-07 7:30 ` Christian König
2022-07-07 7:30 ` Christian König
2022-07-07 13:29 ` Paul E. McKenney
2022-07-07 13:29 ` Paul E. McKenney
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