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jiantuo
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Registered: ‎11-22-2018

INFO: rcu_preempt self-detected stall on CPU

Hi Guys,

   we are using zynq XC7Z035 and petalinux 2015.4 for about one years, and suddenly encounter one issue as below during reboot.

  we could not reproduce this again these days.

  Could you provide some guide?

Thanks in advance.

[2020-05-12 10:09:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4033521 
[2020-05-12 10:09:23]   (t=4038672 jiffies g=1076 c=1075 q=83889)
[2020-05-12 10:09:23]  Task dump for CPU 0:
[2020-05-12 10:09:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:09:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:09:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:09:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:09:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:09:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:09:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:09:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:09:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:09:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:09:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:09:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:09:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:09:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:09:23]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:09:23]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:09:23]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:09:23]  9e20: 200f0113 ffffffff
[2020-05-12 10:09:23]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:09:23]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:09:23]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:09:23]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:09:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:09:24]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:09:24]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:09:24]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:09:24]  9ee0: 600f0113 ffffffff
[2020-05-12 10:09:24]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:09:24]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:09:24]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:09:24]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:09:24]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:09:24]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:09:24]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:09:24]  INFO: rcu_preempt self-detected stall on CPU

[2020-05-12 10:12:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4051501 
[2020-05-12 10:12:23]   (t=4056675 jiffies g=1076 c=1075 q=84249)
[2020-05-12 10:12:23]  Task dump for CPU 0:
[2020-05-12 10:12:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:12:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:12:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:12:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:12:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:12:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:12:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:12:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:12:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:12:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:12:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:12:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:12:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:12:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:12:24]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:12:24]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:12:24]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:12:24]  9e20: 200f0113 ffffffff
[2020-05-12 10:12:24]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:12:24]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:12:24]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:12:24]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:12:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:12:24]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:12:24]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:12:24]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:12:24]  9ee0: 600f0113 ffffffff
[2020-05-12 10:12:24]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:12:24]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:12:24]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:12:24]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:12:24]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:12:24]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:12:24]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:12:24]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:15:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4069481 
[2020-05-12 10:15:23]   (t=4074678 jiffies g=1076 c=1075 q=84609)
[2020-05-12 10:15:23]  Task dump for CPU 0:
[2020-05-12 10:15:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:15:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:15:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:15:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:15:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:15:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:15:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:15:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:15:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:15:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:15:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:15:24]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:15:24]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:15:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:15:24]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:15:24]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:15:24]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:15:24]  9e20: 200f0113 ffffffff
[2020-05-12 10:15:24]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:15:24]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:15:24]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:15:24]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:15:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:15:24]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:15:24]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:15:24]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:15:24]  9ee0: 600f0113 ffffffff
[2020-05-12 10:15:24]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:15:24]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:15:24]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:15:25]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:15:25]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:15:25]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:15:25]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:15:25]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:18:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4087461 
[2020-05-12 10:18:23]   (t=4092681 jiffies g=1076 c=1075 q=84977)
[2020-05-12 10:18:23]  Task dump for CPU 0:
[2020-05-12 10:18:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:18:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:18:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:18:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:18:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:18:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:18:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:18:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:18:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:18:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:18:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:18:24]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:18:24]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:18:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:18:24]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:18:24]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:18:24]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:18:24]  9e20: 200f0113 ffffffff
[2020-05-12 10:18:24]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:18:25]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:18:25]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:18:25]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:18:25]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:18:25]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:18:25]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:18:25]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:18:25]  9ee0: 600f0113 ffffffff
[2020-05-12 10:18:25]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:18:25]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:18:25]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:18:25]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:18:25]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:18:25]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:18:25]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:18:25]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:21:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4105441 
[2020-05-12 10:21:23]   (t=4110684 jiffies g=1076 c=1075 q=85337)
[2020-05-12 10:21:23]  Task dump for CPU 0:
[2020-05-12 10:21:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:21:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:21:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:21:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:21:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:21:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:21:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:21:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:21:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:21:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:21:24]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:21:24]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:21:24]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:21:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:21:24]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:21:24]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:21:24]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:21:24]  9e20: 200f0113 ffffffff
[2020-05-12 10:21:24]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:21:24]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:21:24]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:21:24]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:21:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:21:24]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:21:24]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:21:24]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:21:24]  9ee0: 600f0113 ffffffff
[2020-05-12 10:21:24]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:21:24]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:21:24]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:21:24]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:21:24]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:21:24]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:21:24]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:21:24]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:27:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4141401 
[2020-05-12 10:27:23]   (t=4146690 jiffies g=1076 c=1075 q=86065)
[2020-05-12 10:27:23]  Task dump for CPU 0:
[2020-05-12 10:27:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:27:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:27:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:27:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:27:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:27:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:27:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:27:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:27:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:27:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:27:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:27:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:27:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:27:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:27:23]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:27:23]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:27:23]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:27:23]  9e20: 200f0113 ffffffff
[2020-05-12 10:27:23]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:27:23]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:27:23]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:27:23]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:27:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:27:23]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:27:23]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:27:23]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:27:23]  9ee0: 600f0113 ffffffff
[2020-05-12 10:27:23]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:27:23]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:27:23]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:27:23]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:27:23]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:27:23]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:27:23]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:27:23]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:30:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4159381 
[2020-05-12 10:30:23]   (t=4164693 jiffies g=1076 c=1075 q=86425)
[2020-05-12 10:30:23]  Task dump for CPU 0:
[2020-05-12 10:30:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:30:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:30:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:30:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:30:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:30:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:30:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:30:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:30:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:30:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:30:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:30:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:30:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:30:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:30:23]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:30:23]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:30:23]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:30:23]  9e20: 200f0113 ffffffff
[2020-05-12 10:30:23]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:30:24]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:30:24]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:30:24]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:30:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:30:24]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:30:24]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:30:24]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:30:24]  9ee0: 600f0113 ffffffff
[2020-05-12 10:30:24]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:30:24]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:30:24]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:30:24]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:30:24]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:30:24]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:30:24]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:30:24]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:33:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4177361 
[2020-05-12 10:33:23]   (t=4182696 jiffies g=1076 c=1075 q=86785)
[2020-05-12 10:33:23]  Task dump for CPU 0:
[2020-05-12 10:33:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:33:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:33:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:33:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:33:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:33:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:33:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:33:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:33:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:33:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:33:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:33:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:33:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:33:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:33:23]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:33:23]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:33:23]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:33:23]  9e20: 200f0113 ffffffff
[2020-05-12 10:33:23]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:33:23]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:33:23]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:33:23]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:33:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:33:23]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:33:23]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:33:23]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:33:23]  9ee0: 600f0113 ffffffff
[2020-05-12 10:33:23]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:33:23]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:33:23]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:33:23]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:33:23]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:33:23]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:33:23]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:33:23]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:36:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4195341 
[2020-05-12 10:36:23]   (t=4200699 jiffies g=1076 c=1075 q=87153)
[2020-05-12 10:36:23]  Task dump for CPU 0:
[2020-05-12 10:36:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:36:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:36:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:36:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:36:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:36:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:36:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:36:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:36:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:36:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:36:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:36:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:36:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:36:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:36:23]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:36:23]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:36:23]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:36:24]  9e20: 200f0113 ffffffff
[2020-05-12 10:36:24]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:36:24]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:36:24]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:36:24]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:36:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:36:24]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:36:24]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:36:24]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:36:24]  9ee0: 600f0113 ffffffff
[2020-05-12 10:36:24]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:36:24]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:36:24]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:36:24]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:36:24]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:36:24]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:36:24]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:36:24]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:39:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4213321 
[2020-05-12 10:39:23]   (t=4218702 jiffies g=1076 c=1075 q=87513)
[2020-05-12 10:39:23]  Task dump for CPU 0:
[2020-05-12 10:39:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:39:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:39:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:39:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:39:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:39:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:39:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:39:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:39:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:39:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:39:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:39:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:39:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:39:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:39:23]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:39:23]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:39:23]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:39:23]  9e20: 200f0113 ffffffff
[2020-05-12 10:39:23]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:39:23]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:39:23]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:39:23]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:39:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:39:23]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:39:23]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:39:23]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:39:23]  9ee0: 600f0113 ffffffff
[2020-05-12 10:39:23]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:39:23]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:39:23]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:39:23]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:39:23]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:39:23]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:39:23]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:39:23]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:42:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4231301 
[2020-05-12 10:42:23]   (t=4236705 jiffies g=1076 c=1075 q=87875)
[2020-05-12 10:42:23]  Task dump for CPU 0:
[2020-05-12 10:42:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:42:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:42:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:42:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:42:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:42:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:42:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:42:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:42:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:42:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:42:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:42:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:42:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:42:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:42:23]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:42:23]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:42:23]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:42:23]  9e20: 200f0113 ffffffff
[2020-05-12 10:42:23]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:42:23]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:42:23]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:42:23]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:42:23]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:42:23]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:42:23]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:42:23]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:42:23]  9ee0: 600f0113 ffffffff
[2020-05-12 10:42:23]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:42:23]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:42:23]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:42:23]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:42:23]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:42:23]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:42:23]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:42:23]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:45:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4249281 
[2020-05-12 10:45:23]   (t=4254708 jiffies g=1076 c=1075 q=88235)
[2020-05-12 10:45:23]  Task dump for CPU 0:
[2020-05-12 10:45:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:45:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:45:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:45:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:45:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:45:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:45:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:45:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:45:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:45:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:45:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:45:23]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:45:23]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:45:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:45:24]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:45:24]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:45:24]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:45:24]  9e20: 200f0113 ffffffff
[2020-05-12 10:45:24]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:45:24]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:45:24]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:45:24]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:45:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:45:24]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:45:24]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:45:24]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:45:24]  9ee0: 600f0113 ffffffff
[2020-05-12 10:45:24]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:45:24]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:45:24]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:45:24]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:45:24]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:45:24]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:45:24]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:45:24]  INFO: rcu_preempt self-detected stall on CPU
[2020-05-12 10:48:23]  0: (1 GPs behind) idle=abf/140000000000002/0 softirq=4309/4310 fqs=4267261 
[2020-05-12 10:48:23]   (t=4272711 jiffies g=1076 c=1075 q=88603)
[2020-05-12 10:48:23]  Task dump for CPU 0:
[2020-05-12 10:48:23]  migration/0     R running      0    10      2 0x00000002
[2020-05-12 10:48:23]  [<c001490c>] (unwind_backtrace) from [<c0010e4c>] (show_stack+0x10/0x14)
[2020-05-12 10:48:23]  [<c0010e4c>] (show_stack) from [<c00565bc>] (rcu_dump_cpu_stacks+0x74/0x98)
[2020-05-12 10:48:23]  [<c00565bc>] (rcu_dump_cpu_stacks) from [<c00590d0>] (rcu_check_callbacks+0x270/0x76c)
[2020-05-12 10:48:23]  [<c00590d0>] (rcu_check_callbacks) from [<c005b6e8>] (update_process_times+0x30/0x5c)
[2020-05-12 10:48:23]  [<c005b6e8>] (update_process_times) from [<c0068d1c>] (tick_sched_timer+0x44/0x84)
[2020-05-12 10:48:23]  [<c0068d1c>] (tick_sched_timer) from [<c005beb4>] (__run_hrtimer.isra.24+0x6c/0xa4)
[2020-05-12 10:48:23]  [<c005beb4>] (__run_hrtimer.isra.24) from [<c005c46c>] (hrtimer_interrupt+0xe8/0x244)
[2020-05-12 10:48:23]  [<c005c46c>] (hrtimer_interrupt) from [<c0014250>] (twd_handler+0x2c/0x38)
[2020-05-12 10:48:23]  [<c0014250>] (twd_handler) from [<c0053294>] (handle_percpu_devid_irq+0x68/0x84)
[2020-05-12 10:48:23]  [<c0053294>] (handle_percpu_devid_irq) from [<c004fda8>] (generic_handle_irq+0x20/0x30)
[2020-05-12 10:48:24]  [<c004fda8>] (generic_handle_irq) from [<c005006c>] (__handle_domain_irq+0x8c/0xb4)
[2020-05-12 10:48:24]  [<c005006c>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:48:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:48:24]  Exception stack(0xee869de0 to 0xee869e28)
[2020-05-12 10:48:24]  9de0: 00000001 00000008 00000000 00000000 ee868000 c11c0100 00000202 c1203700
[2020-05-12 10:48:24]  9e00: 0000000a ee836d38 00000000 ee869e28 00000001 ee869e28 c0023714 c0023768
[2020-05-12 10:48:24]  9e20: 200f0113 ffffffff
[2020-05-12 10:48:24]  [<c0011800>] (__irq_svc) from [<c0023768>] (__do_softirq+0x70/0x1b8)
[2020-05-12 10:48:24]  [<c0023768>] (__do_softirq) from [<c0023ac0>] (irq_exit+0x58/0xc0)
[2020-05-12 10:48:24]  [<c0023ac0>] (irq_exit) from [<c0050070>] (__handle_domain_irq+0x90/0xb4)
[2020-05-12 10:48:24]  [<c0050070>] (__handle_domain_irq) from [<c000860c>] (gic_handle_irq+0x38/0x5c)
[2020-05-12 10:48:24]  [<c000860c>] (gic_handle_irq) from [<c0011800>] (__irq_svc+0x40/0x74)
[2020-05-12 10:48:24]  Exception stack(0xee869ea0 to 0xee869ee8)
[2020-05-12 10:48:24]  9ea0: eefd68c0 ee836a80 00000000 00004aad eea02a80 00000000 eefd68c0 00000000
[2020-05-12 10:48:24]  9ec0: 00000000 ee836d38 00000000 ee869f04 00000000 ee869ee8 c0039550 c058177c
[2020-05-12 10:48:24]  9ee0: 600f0113 ffffffff
[2020-05-12 10:48:24]  [<c0011800>] (__irq_svc) from [<c058177c>] (_raw_spin_unlock_irq+0x1c/0x4c)
[2020-05-12 10:48:24]  [<c058177c>] (_raw_spin_unlock_irq) from [<c0039550>] (finish_task_switch+0x60/0x10c)
[2020-05-12 10:48:24]  [<c0039550>] (finish_task_switch) from [<c057e454>] (__schedule+0x2c4/0x484)
[2020-05-12 10:48:24]  [<c057e454>] (__schedule) from [<c057e6b4>] (schedule+0xa0/0xb0)
[2020-05-12 10:48:24]  [<c057e6b4>] (schedule) from [<c0038e30>] (smpboot_thread_fn+0x1dc/0x230)
[2020-05-12 10:48:24]  [<c0038e30>] (smpboot_thread_fn) from [<c0036198>] (kthread+0xd8/0xec)
[2020-05-12 10:48:24]  [<c0036198>] (kthread) from [<c000de40>] (ret_from_fork+0x14/0x34)
[2020-05-12 10:48:24]  INFO: rcu_preempt self-detected stall on CPU

 

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