[ 7869.642830] INFO: rcu_sched self-detected stall on CPU                                                                                    
[ 7869.642835] INFO: rcu_sched self-detected stall on CPU                                                                                    
[ 7869.642838] INFO: rcu_sched detected stalls on CPUs/tasks:                                                                                
[ 7869.642856]  2-...: (1 GPs behind) idle=19e/1/0 softirq=186944/186946 fqs=0                                                               
[ 7869.642862]  0-...: (0 ticks this GP) idle=612/1/0 softirq=237722/237722 fqs=0                                                            
[ 7869.642862]                                                                                                                               
[ 7869.642867]  1-...: (1 ticks this GP) idle=51e/1/0 softirq=189710/189710 fqs=0                                                            
[ 7869.642870]  (t=91053 jiffies g=88404 c=88403 q=6)                                                                                        
[ 7869.642874]  2-...: (1 GPs behind) idle=19e/1/0 softirq=186944/186946 fqs=0                                                               
[ 7869.642879] rcu_sched kthread starved for 91053 jiffies! g88404 c88403 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=3                      
[ 7869.642879]                                                                                                                               
[ 7869.642882] rcu_sched       I
[ 7869.642885] (detected by 3, t=91053 jiffies, g=88404, c=88403, q=6)
[ 7869.642887]     0     8      2 0x00000000
[ 7869.642892] Sending NMI from CPU 3 to CPUs 0:
[ 7869.642912] [<c08773f9>] (__schedule) from [<c087796f>] (schedule+0x2f/0x68)
[ 7869.642924] [<c087796f>] (schedule) from [<c087a20d>] (schedule_timeout+0x75/0x314)
[ 7869.642936] [<c087a20d>] (schedule_timeout) from [<c0164f85>] (rcu_gp_kthread+0x415/0x674)
[ 7869.642949] [<c0164f85>] (rcu_gp_kthread) from [<c0131a91>] (kthread+0xfd/0x104)
[ 7869.642960] [<c0131a91>] (kthread) from [<c0106719>] (ret_from_fork+0x11/0x38)
[ 7869.760843]  1-...: (1 ticks this GP) idle=51e/1/0 softirq=189710/189710 fqs=0 
[ 7869.768146]   (t=91053 jiffies g=88404 c=88403 q=6)
[ 7869.773026] rcu_sched kthread starved for 91053 jiffies! g88404 c88403 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=2
[ 7869.783364] rcu_sched       R  running task        0     8      2 0x00000000
[ 7869.790417] [<c08773f9>] (__schedule) from [<c087796f>] (schedule+0x2f/0x68)
[ 7869.797465] [<c087796f>] (schedule) from [<c087a20d>] (schedule_timeout+0x75/0x314)
[ 7869.805122] [<c087a20d>] (schedule_timeout) from [<c0164f85>] (rcu_gp_kthread+0x415/0x674)
[ 7869.813386] [<c0164f85>] (rcu_gp_kthread) from [<c0131a91>] (kthread+0xfd/0x104)
[ 7869.820782] [<c0131a91>] (kthread) from [<c0106719>] (ret_from_fork+0x11/0x38)
[ 7879.642938] Sending NMI from CPU 3 to CPUs 1:
[ 7889.647332] Sending NMI from CPU 3 to CPUs 2:
[ 7899.651728] rcu_sched kthread starved for 91053 jiffies! g88404 c88403 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=2
[ 7899.651731] Sending NMI from CPU 2 to CPUs 0:
[ 7899.666420] rcu_sched       R  running task        0     8      2 0x00000000
[ 7899.673474] [<c08773f9>] (__schedule) from [<c087796f>] (schedule+0x2f/0x68)
[ 7899.680522] [<c087796f>] (schedule) from [<c087a20d>] (schedule_timeout+0x75/0x314)
[ 7899.688179] [<c087a20d>] (schedule_timeout) from [<c0164f85>] (rcu_gp_kthread+0x415/0x674)
[ 7899.696443] [<c0164f85>] (rcu_gp_kthread) from [<c0131a91>] (kthread+0xfd/0x104)
[ 7899.703839] [<c0131a91>] (kthread) from [<c0106719>] (ret_from_fork+0x11/0x38)
[ 7909.651774] Sending NMI from CPU 2 to CPUs 1:
[ 7919.656169] NMI backtrace for cpu 2
[ 7919.659658] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.18-sunxi #24
[ 7919.666265] Hardware name: Allwinner sun8i Family
[ 7919.670974] [<c010db15>] (unwind_backtrace) from [<c010a0d9>] (show_stack+0x11/0x14)
[ 7919.678718] [<c010a0d9>] (show_stack) from [<c0868f69>] (dump_stack+0x69/0x78)
[ 7919.685943] [<c0868f69>] (dump_stack) from [<c086cd77>] (nmi_cpu_backtrace+0xd3/0xd4)
[ 7919.693775] [<c086cd77>] (nmi_cpu_backtrace) from [<c086ce0f>] (nmi_trigger_cpumask_backtrace+0x97/0xd0)
[ 7919.703254] [<c086ce0f>] (nmi_trigger_cpumask_backtrace) from [<c0166297>] (rcu_dump_cpu_stacks+0x77/0x94)
[ 7919.712905] [<c0166297>] (rcu_dump_cpu_stacks) from [<c0165a55>] (rcu_check_callbacks+0x4d5/0x690)
[ 7919.721864] [<c0165a55>] (rcu_check_callbacks) from [<c0169ffb>] (update_process_times+0x2b/0x48)
[ 7919.730738] [<c0169ffb>] (update_process_times) from [<c0177db1>] (tick_sched_timer+0x31/0x68)
[ 7919.739348] [<c0177db1>] (tick_sched_timer) from [<c016ad1d>] (__hrtimer_run_queues+0xf5/0x224)
[ 7919.748045] [<c016ad1d>] (__hrtimer_run_queues) from [<c016b019>] (hrtimer_interrupt+0x81/0x180)
[ 7919.756830] [<c016b019>] (hrtimer_interrupt) from [<c0749301>] (arch_timer_handler_phys+0x25/0x28)
[ 7919.765790] [<c0749301>] (arch_timer_handler_phys) from [<c015d51f>] (handle_percpu_devid_irq+0x57/0x19c)
[ 7919.775357] [<c015d51f>] (handle_percpu_devid_irq) from [<c0159a39>] (generic_handle_irq+0x1d/0x28)
[ 7919.784403] [<c0159a39>] (generic_handle_irq) from [<c0159e49>] (__handle_domain_irq+0x45/0x84)
[ 7919.793101] [<c0159e49>] (__handle_domain_irq) from [<c01013b5>] (gic_handle_irq+0x39/0x68)
[ 7919.801449] [<c01013b5>] (gic_handle_irq) from [<c010aa25>] (__irq_svc+0x65/0x94)
[ 7919.808928] Exception stack(0xef123f78 to 0xef123fc0)
[ 7919.813976] 3f60:                                                       00000001 00000000
[ 7919.822151] 3f80: 00000000 c0116561 ffffe000 c0d03fcc c0d03f6c c0cb6438 c0ddd8eb 00000000
[ 7919.830325] 3fa0: 00000000 00000000 00000018 ef123fc8 c01070e7 c01070e8 40070033 ffffffff
[ 7919.838501] [<c010aa25>] (__irq_svc) from [<c01070e8>] (arch_cpu_idle+0x28/0x2c)
[ 7919.845899] [<c01070e8>] (arch_cpu_idle) from [<c014c92d>] (do_idle+0x115/0x16c)
[ 7919.853296] [<c014c92d>] (do_idle) from [<c014cb79>] (cpu_startup_entry+0x19/0x1c)
[ 7919.860865] [<c014cb79>] (cpu_startup_entry) from [<401016f1>] (0x401016f1)
[ 7919.867825] Sending NMI from CPU 1 to CPUs 0:
[ 7929.872218] NMI backtrace for cpu 1
[ 7929.875705] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.14.18-sunxi #24
[ 7929.882312] Hardware name: Allwinner sun8i Family
[ 7929.887017] [<c010db15>] (unwind_backtrace) from [<c010a0d9>] (show_stack+0x11/0x14)
[ 7929.894759] [<c010a0d9>] (show_stack) from [<c0868f69>] (dump_stack+0x69/0x78)
[ 7929.901982] [<c0868f69>] (dump_stack) from [<c086cd77>] (nmi_cpu_backtrace+0xd3/0xd4)
[ 7929.909812] [<c086cd77>] (nmi_cpu_backtrace) from [<c086ce0f>] (nmi_trigger_cpumask_backtrace+0x97/0xd0)
[ 7929.919290] [<c086ce0f>] (nmi_trigger_cpumask_backtrace) from [<c0166297>] (rcu_dump_cpu_stacks+0x77/0x94)
[ 7929.928941] [<c0166297>] (rcu_dump_cpu_stacks) from [<c0165a55>] (rcu_check_callbacks+0x4d5/0x690)
[ 7929.937898] [<c0165a55>] (rcu_check_callbacks) from [<c0169ffb>] (update_process_times+0x2b/0x48)
[ 7929.946769] [<c0169ffb>] (update_process_times) from [<c0177db1>] (tick_sched_timer+0x31/0x68)
[ 7929.955378] [<c0177db1>] (tick_sched_timer) from [<c016ad1d>] (__hrtimer_run_queues+0xf5/0x224)
[ 7929.964074] [<c016ad1d>] (__hrtimer_run_queues) from [<c016b019>] (hrtimer_interrupt+0x81/0x180)
[ 7929.972858] [<c016b019>] (hrtimer_interrupt) from [<c0749301>] (arch_timer_handler_phys+0x25/0x28)
[ 7929.981815] [<c0749301>] (arch_timer_handler_phys) from [<c015d51f>] (handle_percpu_devid_irq+0x57/0x19c)
[ 7929.991381] [<c015d51f>] (handle_percpu_devid_irq) from [<c0159a39>] (generic_handle_irq+0x1d/0x28)
[ 7930.000426] [<c0159a39>] (generic_handle_irq) from [<c0159e49>] (__handle_domain_irq+0x45/0x84)
[ 7930.009123] [<c0159e49>] (__handle_domain_irq) from [<c01013b5>] (gic_handle_irq+0x39/0x68)
[ 7930.017471] [<c01013b5>] (gic_handle_irq) from [<c010aa25>] (__irq_svc+0x65/0x94)
[ 7930.024949] Exception stack(0xef121f78 to 0xef121fc0)
[ 7930.029997] 1f60:                                                       00000001 00000000
[ 7930.038171] 1f80: 00000000 c0116561 ffffe000 c0d03fcc c0d03f6c c0cb6438 c0ddd8eb 00000000
[ 7930.046346] 1fa0: 00000000 00000000 00000018 ef121fc8 c01070e7 c01070e8 40070033 ffffffff
[ 7930.054522] [<c010aa25>] (__irq_svc) from [<c01070e8>] (arch_cpu_idle+0x28/0x2c)
[ 7930.061918] [<c01070e8>] (arch_cpu_idle) from [<c014c92d>] (do_idle+0x115/0x16c)
[ 7930.069313] [<c014c92d>] (do_idle) from [<c014cb79>] (cpu_startup_entry+0x19/0x1c)
[ 7930.076881] [<c014cb79>] (cpu_startup_entry) from [<401016f1>] (0x401016f1)
[ 7930.083839] Sending NMI from CPU 1 to CPUs 2:
[ 7940.088355] NMI backtrace for cpu 2
[ 7940.088360] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.18-sunxi #24
[ 7940.088362] Hardware name: Allwinner sun8i Family
[ 7940.088365] task: ef0ff2c0 task.stack: ef122000
[ 7940.088370] PC is at __do_softirq+0x7a/0x25c
[ 7940.088375] LR is at irq_exit+0x7f/0xc4
[ 7940.088378] pc : [<c0101462>]    lr : [<c011ef27>]    psr: 40070133
[ 7940.088381] sp : ef123ee8  ip : 00001361  fp : 4000001f
[ 7940.088383] r10: c0d02080  r9 : ef037400  r8 : 00000001
[ 7940.088387] r7 : ffffe000  r6 : 00000282  r5 : 00000000  r4 : ffffe000
[ 7940.088389] r3 : 00000080  r2 : 00000000  r1 : c0df6740  r0 : c0df6740
[ 7940.088394] Flags: nZcv  IRQs on  FIQs on  Mode SVC_32  ISA Thumb  Segment none
[ 7940.088397] Control: 50c5387d  Table: 49d6806a  DAC: 00000051
[ 7940.088401] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.18-sunxi #24
[ 7940.088402] Hardware name: Allwinner sun8i Family
[ 7940.088411] [<c010db15>] (unwind_backtrace) from [<c010a0d9>] (show_stack+0x11/0x14)
[ 7940.088418] [<c010a0d9>] (show_stack) from [<c0868f69>] (dump_stack+0x69/0x78)
[ 7940.088426] [<c0868f69>] (dump_stack) from [<c086cd2f>] (nmi_cpu_backtrace+0x8b/0xd4)
[ 7940.088434] [<c086cd2f>] (nmi_cpu_backtrace) from [<c010ca01>] (handle_IPI+0x75/0x278)
[ 7940.088441] [<c010ca01>] (handle_IPI) from [<c01013e3>] (gic_handle_irq+0x67/0x68)
[ 7940.088447] [<c01013e3>] (gic_handle_irq) from [<c010aa25>] (__irq_svc+0x65/0x94)
[ 7940.088450] Exception stack(0xef123e98 to 0xef123ee0)
[ 7940.088453] 3e80:                                                       c0df6740 c0df6740
[ 7940.088459] 3ea0: 00000000 00000080 ffffe000 00000000 00000282 ffffe000 00000001 ef037400
[ 7940.088465] 3ec0: c0d02080 4000001f 00001361 ef123ee8 c011ef27 c0101462 40070133 ffffffff
[ 7940.088472] [<c010aa25>] (__irq_svc) from [<c0101462>] (__do_softirq+0x7a/0x25c)
[ 7940.088479] [<c0101462>] (__do_softirq) from [<c011ef27>] (irq_exit+0x7f/0xc4)
[ 7940.088488] [<c011ef27>] (irq_exit) from [<c0159e4d>] (__handle_domain_irq+0x49/0x84)
[ 7940.088496] [<c0159e4d>] (__handle_domain_irq) from [<c01013b5>] (gic_handle_irq+0x39/0x68)
[ 7940.088502] [<c01013b5>] (gic_handle_irq) from [<c010aa25>] (__irq_svc+0x65/0x94)
[ 7940.088504] Exception stack(0xef123f78 to 0xef123fc0)
[ 7940.088508] 3f60:                                                       00000001 00000000
[ 7940.088514] 3f80: 00000000 c0116561 ffffe000 c0d03fcc c0d03f6c c0cb6438 c0ddd8eb 00000000
[ 7940.088520] 3fa0: 00000000 00000000 00000018 ef123fc8 c01070e7 c01070e8 40070033 ffffffff
[ 7940.088527] [<c010aa25>] (__irq_svc) from [<c01070e8>] (arch_cpu_idle+0x28/0x2c)
[ 7940.088536] [<c01070e8>] (arch_cpu_idle) from [<c014c92d>] (do_idle+0x115/0x16c)
[ 7940.088543] [<c014c92d>] (do_idle) from [<c014cb79>] (cpu_startup_entry+0x19/0x1c)
[ 7940.088550] [<c014cb79>] (cpu_startup_entry) from [<401016f1>] (0x401016f1)