Hello everyone.
This happens on my OrangePi after a couple of hours of running. I don't think this happened before installing the kernel 4.14. I haven't changed my power supply, which should be working well - custom DC/DC converter connected to GPIO pins.
Is anyone else experiencing this? Anything I can do?
[19155.760977] INFO: rcu_sched self-detected stall on CPU
[19155.760983] INFO: rcu_sched self-detected stall on CPU
[19155.760997] INFO: rcu_sched detected stalls on CPUs/tasks:
[19155.761010] 2-...: (1 ticks this GP) idle=18a/1/0 softirq=332295/332295 fqs=0
[19155.761017] 0-...: (0 ticks this GP) idle=dbe/1/0 softirq=475103/475103 fqs=0
[19155.761018]
[19155.761025] 1-...: (1 GPs behind) idle=f36/1/0 softirq=422883/422884 fqs=0
[19155.761034] 2-...: (1 ticks this GP) idle=18a/1/0 softirq=332295/332295 fqs=0
[19155.761040] rcu_sched kthread starved for 91911 jiffies! g126395 c126394 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=3
[19155.761041]
[19155.819568] 1-...: (1 GPs behind) idle=f36/1/0 softirq=422883/422884 fqs=0
[19155.826612] (t=91911 jiffies g=126395 c=126394 q=3)
[19155.831672] rcu_sched kthread starved for 91911 jiffies! g126395 c126394 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
[19185.762182] rcu_sched kthread starved for 91911 jiffies! g126395 c126394 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
[19155.760977] INFO: rcu_sched self-detected stall on CPU
[19155.760983] INFO: rcu_sched self-detected stall on CPU
[19155.760997] INFO: rcu_sched detected stalls on CPUs/tasks:
[19155.761010] 2-...: (1 ticks this GP) idle=18a/1/0 softirq=332295/332295 fqs=0
[19155.761017] 0-...: (0 ticks this GP) idle=dbe/1/0 softirq=475103/475103 fqs=0
[19155.761018]
[19155.761025] 1-...: (1 GPs behind) idle=f36/1/0 softirq=422883/422884 fqs=0
[19155.761028] (t=91911 jiffies g=126395 c=126394 q=3)
[19155.761034] 2-...: (1 ticks this GP) idle=18a/1/0 softirq=332295/332295 fqs=0
[19155.761040] rcu_sched kthread starved for 91911 jiffies! g126395 c126394 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=3
[19155.761041]
[19155.761044] rcu_sched I
[19155.761048] (detected by 3, t=91911 jiffies, g=126395, c=126394, q=3)
[19155.761052] 0 8 2 0x00000000
[19155.761057] Sending NMI from CPU 3 to CPUs 0:
[19155.761079] [<c08762b9>] (__schedule) from [<c087682b>] (schedule+0x2f/0x68)
[19155.761093] [<c087682b>] (schedule) from [<c087909d>] (schedule_timeout+0x75/0x314)
[19155.761108] [<c087909d>] (schedule_timeout) from [<c0164f95>] (rcu_gp_kthread+0x415/0x674)
[19155.761123] [<c0164f95>] (rcu_gp_kthread) from [<c0131a9d>] (kthread+0xfd/0x104)
[19155.761138] [<c0131a9d>] (kthread) from [<c0106719>] (ret_from_fork+0x11/0x38)
[19155.819568] 1-...: (1 GPs behind) idle=f36/1/0 softirq=422883/422884 fqs=0
[19155.826612] (t=91911 jiffies g=126395 c=126394 q=3)
[19155.831672] rcu_sched kthread starved for 91911 jiffies! g126395 c126394 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
[19155.842191] rcu_sched R running task 0 8 2 0x00000000
[19155.842210] [<c08762b9>] (__schedule) from [<c087682b>] (schedule+0x2f/0x68)
[19155.842222] [<c087682b>] (schedule) from [<c087909d>] (schedule_timeout+0x75/0x314)
[19155.842234] [<c087909d>] (schedule_timeout) from [<c0164f95>] (rcu_gp_kthread+0x415/0x674)
[19155.842245] [<c0164f95>] (rcu_gp_kthread) from [<c0131a9d>] (kthread+0xfd/0x104)
[19155.842256] [<c0131a9d>] (kthread) from [<c0106719>] (ret_from_fork+0x11/0x38)
[19165.761432] Sending NMI from CPU 3 to CPUs 1:
[19175.761806] Sending NMI from CPU 3 to CPUs 2:
[19185.762182] rcu_sched kthread starved for 91911 jiffies! g126395 c126394 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
[19185.762186] Sending NMI from CPU 2 to CPUs 0:
[19185.772707] rcu_sched R running task 0 8 2 0x00000000
[19185.772726] [<c08762b9>] (__schedule) from [<c087682b>] (schedule+0x2f/0x68)
[19185.772738] [<c087682b>] (schedule) from [<c087909d>] (schedule_timeout+0x75/0x314)
[19185.772749] [<c087909d>] (schedule_timeout) from [<c0164f95>] (rcu_gp_kthread+0x415/0x674)
[19185.772760] [<c0164f95>] (rcu_gp_kthread) from [<c0131a9d>] (kthread+0xfd/0x104)
[19185.772772] [<c0131a9d>] (kthread) from [<c0106719>] (ret_from_fork+0x11/0x38)
[19195.762559] Sending NMI from CPU 2 to CPUs 1:
[19205.762933] NMI backtrace for cpu 2
[19205.762942] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.14-sunxi #38
[19205.762945] Hardware name: Allwinner sun8i Family
[19205.762959] [<c010db15>] (unwind_backtrace) from [<c010a0d9>] (show_stack+0x11/0x14)
[19205.762970] [<c010a0d9>] (show_stack) from [<c0867e29>] (dump_stack+0x69/0x78)
[19205.762983] [<c0867e29>] (dump_stack) from [<c086bc37>] (nmi_cpu_backtrace+0xd3/0xd4)
[19205.762996] [<c086bc37>] (nmi_cpu_backtrace) from [<c086bccf>] (nmi_trigger_cpumask_backtrace+0x97/0xd0)
[19205.763008] [<c086bccf>] (nmi_trigger_cpumask_backtrace) from [<c01662a7>] (rcu_dump_cpu_stacks+0x77/0x94)
[19205.763019] [<c01662a7>] (rcu_dump_cpu_stacks) from [<c0165a65>] (rcu_check_callbacks+0x4d5/0x690)
[19205.763032] [<c0165a65>] (rcu_check_callbacks) from [<c0169f5f>] (update_process_times+0x2b/0x48)
[19205.763046] [<c0169f5f>] (update_process_times) from [<c0177d11>] (tick_sched_timer+0x31/0x68)
[19205.763057] [<c0177d11>] (tick_sched_timer) from [<c016ac85>] (__hrtimer_run_queues+0xf5/0x224)
[19205.763066] [<c016ac85>] (__hrtimer_run_queues) from [<c016af81>] (hrtimer_interrupt+0x81/0x180)
[19205.763079] [<c016af81>] (hrtimer_interrupt) from [<c07483a1>] (arch_timer_handler_phys+0x25/0x28)
[19205.763093] [<c07483a1>] (arch_timer_handler_phys) from [<c015d52f>] (handle_percpu_devid_irq+0x57/0x19c)
[19205.763107] [<c015d52f>] (handle_percpu_devid_irq) from [<c0159a49>] (generic_handle_irq+0x1d/0x28)
[19205.763120] [<c0159a49>] (generic_handle_irq) from [<c0159e59>] (__handle_domain_irq+0x45/0x84)
[19205.763131] [<c0159e59>] (__handle_domain_irq) from [<c01013b5>] (gic_handle_irq+0x39/0x68)
[19205.763141] [<c01013b5>] (gic_handle_irq) from [<c010aa25>] (__irq_svc+0x65/0x94)
[19205.763146] Exception stack(0xee523f78 to 0xee523fc0)
[19205.763152] 3f60: 00000001 00000000
[19205.763161] 3f80: 00000000 c0116561 ffffe000 c0d03fcc c0d03f6c c0cb6438 c0ddd8eb 00000000
[19205.763170] 3fa0: 00000000 00000000 00087b5d ee523fc8 c01070e7 c01070e8 40000033 ffffffff
[19205.763181] [<c010aa25>] (__irq_svc) from [<c01070e8>] (arch_cpu_idle+0x28/0x2c)
[19205.763194] [<c01070e8>] (arch_cpu_idle) from [<c014c93d>] (do_idle+0x115/0x16c)
[19205.763206] [<c014c93d>] (do_idle) from [<c014cb89>] (cpu_startup_entry+0x19/0x1c)
[19205.763216] [<c014cb89>] (cpu_startup_entry) from [<401016f1>] (0x401016f1)
[19205.763226] Sending NMI from CPU 1 to CPUs 0:
[19215.763599] NMI backtrace for cpu 1
[19215.763605] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.14.14-sunxi #38
[19215.763608] Hardware name: Allwinner sun8i Family
[19215.763618] [<c010db15>] (unwind_backtrace) from [<c010a0d9>] (show_stack+0x11/0x14)
[19215.763627] [<c010a0d9>] (show_stack) from [<c0867e29>] (dump_stack+0x69/0x78)
[19215.763638] [<c0867e29>] (dump_stack) from [<c086bc37>] (nmi_cpu_backtrace+0xd3/0xd4)
[19215.763650] [<c086bc37>] (nmi_cpu_backtrace) from [<c086bccf>] (nmi_trigger_cpumask_backtrace+0x97/0xd0)
[19215.763661] [<c086bccf>] (nmi_trigger_cpumask_backtrace) from [<c01662a7>] (rcu_dump_cpu_stacks+0x77/0x94)
[19215.763672] [<c01662a7>] (rcu_dump_cpu_stacks) from [<c0165a65>] (rcu_check_callbacks+0x4d5/0x690)
[19215.763683] [<c0165a65>] (rcu_check_callbacks) from [<c0169f5f>] (update_process_times+0x2b/0x48)
[19215.763695] [<c0169f5f>] (update_process_times) from [<c0177d11>] (tick_sched_timer+0x31/0x68)
[19215.763705] [<c0177d11>] (tick_sched_timer) from [<c016ac85>] (__hrtimer_run_queues+0xf5/0x224)
[19215.763714] [<c016ac85>] (__hrtimer_run_queues) from [<c016af81>] (hrtimer_interrupt+0x81/0x180)
[19215.763724] [<c016af81>] (hrtimer_interrupt) from [<c07483a1>] (arch_timer_handler_phys+0x25/0x28)
[19215.763735] [<c07483a1>] (arch_timer_handler_phys) from [<c015d52f>] (handle_percpu_devid_irq+0x57/0x19c)
[19215.763746] [<c015d52f>] (handle_percpu_devid_irq) from [<c0159a49>] (generic_handle_irq+0x1d/0x28)
[19215.763758] [<c0159a49>] (generic_handle_irq) from [<c0159e59>] (__handle_domain_irq+0x45/0x84)
[19215.763768] [<c0159e59>] (__handle_domain_irq) from [<c01013b5>] (gic_handle_irq+0x39/0x68)
[19215.763777] [<c01013b5>] (gic_handle_irq) from [<c010aa25>] (__irq_svc+0x65/0x94)
[19215.763781] Exception stack(0xee521f78 to 0xee521fc0)
[19215.763787] 1f60: 00000001 00000000
[19215.763796] 1f80: 00000000 c0116561 ffffe000 c0d03fcc c0d03f6c c0cb6438 c0ddd8eb 00000000
[19215.763805] 1fa0: 00000000 00000000 00000018 ee521fc8 c01070e7 c01070e8 40000033 ffffffff
[19215.763815] [<c010aa25>] (__irq_svc) from [<c01070e8>] (arch_cpu_idle+0x28/0x2c)
[19215.763826] [<c01070e8>] (arch_cpu_idle) from [<c014c93d>] (do_idle+0x115/0x16c)
[19215.763837] [<c014c93d>] (do_idle) from [<c014cb89>] (cpu_startup_entry+0x19/0x1c)
[19215.763846] [<c014cb89>] (cpu_startup_entry) from [<401016f1>] (0x401016f1)
[19215.763853] Sending NMI from CPU 1 to CPUs 2:
[19225.764386] NMI backtrace for cpu 2
[19225.764393] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.14-sunxi #38
[19225.764395] Hardware name: Allwinner sun8i Family
[19225.764399] task: ee4f8000 task.stack: ee522000
[19225.764404] PC is at __do_softirq+0x7a/0x25c
[19225.764412] LR is at irq_exit+0x7f/0xc4
[19225.764416] pc : [<c0101462>] lr : [<c011ef33>] psr: 40000133
[19225.764419] sp : ee523ee8 ip : 7fffffff fp : 4000001f
[19225.764422] r10: c0d02080 r9 : ee434000 r8 : 00000001
[19225.764426] r7 : ffffe000 r6 : 00000282 r5 : 00000000 r4 : ffffe000
[19225.764430] r3 : 00000080 r2 : 00000000 r1 : c0df6740 r0 : c0df6740
[19225.764435] Flags: nZcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment none
[19225.764439] Control: 50c5387d Table: 56ff006a DAC: 00000051
[19225.764444] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.14-sunxi #38
[19225.764446] Hardware name: Allwinner sun8i Family
[19225.764456] [<c010db15>] (unwind_backtrace) from [<c010a0d9>] (show_stack+0x11/0x14)
[19225.764465] [<c010a0d9>] (show_stack) from [<c0867e29>] (dump_stack+0x69/0x78)
[19225.764475] [<c0867e29>] (dump_stack) from [<c086bbef>] (nmi_cpu_backtrace+0x8b/0xd4)
[19225.764486] [<c086bbef>] (nmi_cpu_backtrace) from [<c010ca01>] (handle_IPI+0x75/0x278)
[19225.764495] [<c010ca01>] (handle_IPI) from [<c01013e3>] (gic_handle_irq+0x67/0x68)
[19225.764502] [<c01013e3>] (gic_handle_irq) from [<c010aa25>] (__irq_svc+0x65/0x94)
[19225.764506] Exception stack(0xee523e98 to 0xee523ee0)
[19225.764510] 3e80: c0df6740 c0df6740
[19225.764519] 3ea0: 00000000 00000080 ffffe000 00000000 00000282 ffffe000 00000001 ee434000
[19225.764527] 3ec0: c0d02080 4000001f 7fffffff ee523ee8 c011ef33 c0101462 40000133 ffffffff
[19225.764535] [<c010aa25>] (__irq_svc) from [<c0101462>] (__do_softirq+0x7a/0x25c)
[19225.764545] [<c0101462>] (__do_softirq) from [<c011ef33>] (irq_exit+0x7f/0xc4)
[19225.764557] [<c011ef33>] (irq_exit) from [<c0159e5d>] (__handle_domain_irq+0x49/0x84)
[19225.764567] [<c0159e5d>] (__handle_domain_irq) from [<c01013b5>] (gic_handle_irq+0x39/0x68)
[19225.764575] [<c01013b5>] (gic_handle_irq) from [<c010aa25>] (__irq_svc+0x65/0x94)
[19225.764578] Exception stack(0xee523f78 to 0xee523fc0)
[19225.764582] 3f60: 00000001 00000000
[19225.764590] 3f80: 00000000 c0116561 ffffe000 c0d03fcc c0d03f6c c0cb6438 c0ddd8eb 00000000
[19225.764603] 3fa0: 00000000 00000000 00087b5d ee523fc8 c01070e7 c01070e8 40000033 ffffffff
[19225.764613] [<c010aa25>] (__irq_svc) from [<c01070e8>] (arch_cpu_idle+0x28/0x2c)
[19225.764624] [<c01070e8>] (arch_cpu_idle) from [<c014c93d>] (do_idle+0x115/0x16c)
[19225.764642] [<c014c93d>] (do_idle) from [<c014cb89>] (cpu_startup_entry+0x19/0x1c)
[19225.764656] [<c014cb89>] (cpu_startup_entry) from [<401016f1>] (0x401016f1)
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Question
René Kliment
Hello everyone.
This happens on my OrangePi after a couple of hours of running. I don't think this happened before installing the kernel 4.14. I haven't changed my power supply, which should be working well - custom DC/DC converter connected to GPIO pins.
Is anyone else experiencing this? Anything I can do?
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