Pine64 Debian Stretch/mainline [4.14.7]
#21
Hi,

I've downloaded your latest img and busy trying it on my Pine64 1GB dev kit (A64-DB-RevB 2016-02-24). If I leave it idle after a while I get the following:
The board continues running after, any suggestions what may be causing this?

[19948082.537437] INFO: rcu_sched detected stalls on CPUs/tasks:
[19948082.543199]       0-...: (0 ticks this GP) idle=ee2/140000000000000/0 softirq=5348379/5348379 fqs=103
[19948082.552314]       (detected by 3, t=103342 jiffies, g=3187758, c=3187757, q=895)
[19948082.559529] Task dump for CPU 0:
[19948082.563011] swapper/0       R  running task        0     0      0 0x00000002
[19948082.570312] Call trace:
[19948082.573027] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948082.578423] [<ffff0000080c3d50>] update_rq_clock.part.6+0x18/0x40
[19948082.584768] [<ffff0000080c4974>] update_rq_clock+0x1c/0x28
[19948082.590508] [<ffff0000080cf268>] cpu_load_update_nohz_stop+0x98/0xa0
[19948082.597115] [<ffff0000081070b8>] tick_nohz_idle_exit+0x80/0x170
[19948082.603288] [<ffff0000080d894c>] do_idle+0xa4/0x1a8
[19948082.608421] [<ffff0000080d8bbc>] cpu_startup_entry+0x24/0x28
[19948082.614337] [<ffff0000086adfac>] rest_init+0xb4/0xc0
[19948082.619559] [<ffff0000088f0b34>] start_kernel+0x36c/0x380
[19948082.625211] [<ffff0000088f01e0>] __primary_switched+0x64/0x6c
[19948082.631211] rcu_sched kthread starved for 99491 jiffies! g3187758 c3187757 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
[19948082.641454] rcu_sched       S    0     8      2 0x00000000
[19948082.647193] Call trace:
[19948082.649898] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948082.655291] [<ffff0000086af164>] __schedule+0x194/0x5b8
[19948082.660769] [<ffff0000086af5b4>] schedule+0x2c/0x88
[19948082.665903] [<ffff0000086b25ac>] schedule_timeout+0x134/0x288
[19948082.671903] [<ffff0000080f2fac>] rcu_gp_kthread+0x464/0x748
[19948082.677730] [<ffff0000080be514>] kthread+0xfc/0x128
[19948082.682861] [<ffff000008082ec0>] ret_from_fork+0x10/0x50
[19948952.405438] INFO: rcu_sched self-detected stall on CPU
[19948952.410852]       1-...: (1 ticks this GP) idle=15a/1/0 softirq=1066178/1066178 fqs=0
[19948952.418580]        (t=183611 jiffies g=3190431 c=3190430 q=0)
[19948952.424152] rcu_sched kthread starved for 183611 jiffies! g3190431 c3190430 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
[19948952.434482] rcu_sched       S    0     8      2 0x00000000
[19948952.440222] Call trace:
[19948952.442937] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948952.448333] [<ffff0000086af164>] __schedule+0x194/0x5b8
[19948952.453811] [<ffff0000086af5b4>] schedule+0x2c/0x88
[19948952.458946] [<ffff0000086b25ac>] schedule_timeout+0x134/0x288
[19948952.464946] [<ffff0000080f2fac>] rcu_gp_kthread+0x464/0x748
[19948952.470772] [<ffff0000080be514>] kthread+0xfc/0x128
[19948952.475903] [<ffff000008082ec0>] ret_from_fork+0x10/0x50
[19948952.481470] Task dump for CPU 0:
[19948952.484952] swapper/0       R  running task        0     0      0 0x00000000
[19948952.492251] Call trace:
[19948952.494957] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948952.500351] [<ffff000008968000>] page_wait_table+0x1280/0x1800
[19948952.505430] INFO: rcu_sched self-detected stall on CPU
[19948952.505439]       2-...: (10 GPs behind) idle=306/1/0 softirq=3617177/3617177 fqs=0
[19948952.505440]        (t=183611 jiffies g=3190431 c=3190430 q=1)
[19948952.505449] rcu_sched kthread starved for 183611 jiffies! g3190431 c3190430 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0
[19948952.505451] rcu_sched       R  running task        0     8      2 0x00000000
[19948952.505457] Call trace:
[19948952.505464] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948952.505470] [<ffff0000086af164>] __schedule+0x194/0x5b8
[19948952.505476] [<ffff0000086af5b4>] schedule+0x2c/0x88
[19948952.505482] [<ffff0000086b25ac>] schedule_timeout+0x134/0x288
[19948952.505488] [<ffff0000080f2fac>] rcu_gp_kthread+0x464/0x748
[19948952.505493] [<ffff0000080be514>] kthread+0xfc/0x128
[19948952.505498] [<ffff000008082ec0>] ret_from_fork+0x10/0x50
[19948952.583725] Task dump for CPU 1:
[19948952.587206] swapper/1       R  running task        0     0      1 0x00000002
[19948952.594506] Call trace:
[19948952.597211] [<ffff000008088098>] dump_backtrace+0x0/0x210
[19948952.602864] [<ffff0000080882fc>] show_stack+0x14/0x20
[19948952.608170] [<ffff0000080c8374>] sched_show_task+0x10c/0x170
[19948952.614084] [<ffff0000080c91e0>] dump_cpu_task+0x40/0x50
[19948952.619649] [<ffff0000080f44b4>] rcu_dump_cpu_stacks+0x94/0xe0
[19948952.625734] [<ffff0000080f3c1c>] rcu_check_callbacks+0x644/0x808
[19948952.631995] [<ffff0000080f7eec>] update_process_times+0x2c/0x58
[19948952.638168] [<ffff000008106e18>] tick_sched_handle.isra.5+0x30/0x50
[19948952.644687] [<ffff000008106e78>] tick_sched_timer+0x40/0x90
[19948952.650511] [<ffff0000080f8a60>] __hrtimer_run_queues+0xe8/0x160
[19948952.656769] [<ffff0000080f8cf0>] hrtimer_interrupt+0xa0/0x220
[19948952.662770] [<ffff000008578210>] arch_timer_handler_phys+0x30/0x40
[19948952.669203] [<ffff0000080e8490>] handle_percpu_devid_irq+0x78/0x130
[19948952.675724] [<ffff0000080e2eec>] generic_handle_irq+0x24/0x38
[19948952.681723] [<ffff0000080e3564>] __handle_domain_irq+0x5c/0xb8
[19948952.687808] [<ffff000008081528>] gic_handle_irq+0x58/0xb0
[19948952.693458] Exception stack(0xffff80003a89fe20 to 0xffff80003a89ff50)
[19948952.700150] fe20: 0000000000000000 0000000000000000 0000000000000001 0000000000000000
[19948952.708229] fe40: 0000000000000000 0000800033644000 0000000000000001 00000000000001c0
[19948952.716307] fe60: 0000000000000002 ffff80003a89fec0 0000000000000980 ffff80003a855f80
[19948952.724385] fe80: 0000000000000000 0046df776d4a8070 0034ac869de58d00 0000000000000000
[19948952.732462] fea0: ffff0000082026d0 0000ffff7f50de18 0000000000000035 ffff00000894e000
[19948952.740540] fec0: ffff000008968b30 ffff000008968000 ffff000008959078 0000000000000000
[19948952.748618] fee0: 0000000000000000 ffff80003a890d80 0000000000000000 0000000000000000
[19948952.756696] ff00: 0000000000000000 ffff80003a89ff50 ffff00000808485c ffff80003a89ff50
[19948952.764774] ff20: ffff000008084860 0000000000000145 0000000000000000 ffff0000080d8954
[19948952.772850] ff40: ffffffffffffffff 7fffffffffffffff
[19948952.777981] [<ffff0000080827f4>] el1_irq+0xb4/0x140
[19948952.783113] [<ffff000008084860>] arch_cpu_idle+0x10/0x18
[19948952.788680] [<ffff0000080d89b4>] do_idle+0x10c/0x1a8
[19948952.793899] [<ffff0000080d8bb8>] cpu_startup_entry+0x20/0x28
[19948952.799812] [<ffff00000808e3a8>] secondary_start_kernel+0x100/0x110
[19948952.806330] [<00000000406b41c4>] 0x406b41c4
[19948952.810765] Task dump for CPU 2:
[19948952.814246] swapper/2       R  running task        0     0      1 0x00000000
[19948952.821545] Call trace:
[19948952.824249] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948952.829641] [<ffff000008968000>] page_wait_table+0x1280/0x1800
[19948952.835722] Task dump for CPU 3:
[19948952.839204] swapper/3       R  running task        0     0      1 0x00000000
[19948952.846503] Call trace:
[19948952.849207] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948952.854596] [<29ab2930a5313720>] 0x29ab2930a5313720
[19948952.859725] Task dump for CPU 0:
[19948952.863209] swapper/0       R  running task        0     0      0 0x00000000
[19948952.870509] Call trace:
[19948952.873214] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948952.878605] [<ffff000008968000>] page_wait_table+0x1280/0x1800
[19948952.884688] Task dump for CPU 1:
[19948952.888169] swapper/1       R  running task        0     0      1 0x00000002
[19948952.895468] Call trace:
[19948952.898173] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948952.903565] [<ffff000008968000>] page_wait_table+0x1280/0x1800
[19948952.909646] Task dump for CPU 2:
[19948952.913126] swapper/2       R  running task        0     0      1 0x00000000
[19948952.920426] Call trace:
[19948952.923131] [<ffff000008088098>] dump_backtrace+0x0/0x210
[19948952.928783] [<ffff0000080882fc>] show_stack+0x14/0x20
[19948952.934089] [<ffff0000080c8374>] sched_show_task+0x10c/0x170
[19948952.940001] [<ffff0000080c91e0>] dump_cpu_task+0x40/0x50
[19948952.945566] [<ffff0000080f44b4>] rcu_dump_cpu_stacks+0x94/0xe0
[19948952.951650] [<ffff0000080f3c1c>] rcu_check_callbacks+0x644/0x808
[19948952.957910] [<ffff0000080f7eec>] update_process_times+0x2c/0x58
[19948952.964081] [<ffff000008106e18>] tick_sched_handle.isra.5+0x30/0x50
[19948952.970599] [<ffff000008106e78>] tick_sched_timer+0x40/0x90
[19948952.976424] [<ffff0000080f8a60>] __hrtimer_run_queues+0xe8/0x160
[19948952.982681] [<ffff0000080f8cf0>] hrtimer_interrupt+0xa0/0x220
[19948952.988672] [<ffff000008578210>] arch_timer_handler_phys+0x30/0x40
[19948952.995104] [<ffff0000080e8490>] handle_percpu_devid_irq+0x78/0x130
[19948953.001624] [<ffff0000080e2eec>] generic_handle_irq+0x24/0x38
[19948953.007622] [<ffff0000080e3564>] __handle_domain_irq+0x5c/0xb8
[19948953.013705] [<ffff000008081528>] gic_handle_irq+0x58/0xb0
[19948953.019355] Exception stack(0xffff80003a8a3e20 to 0xffff80003a8a3f50)
[19948953.026046] 3e20: 0000000000000000 0000000000000000 0000000000000001 0000000000000000
[19948953.034124] 3e40: 0000000000000000 000080003365b000 0000000000000001 00000000000001c0
[19948953.042203] 3e60: ffff80003a8924e0 ffff80003a8a3ec0 0000000000000980 ffff800039e0a000
[19948953.050281] 3e80: 0000000000000000 0046df77739c426e 0000000000000000 0005d85dfcb6a33a
[19948953.058359] 3ea0: ffff0000081d13a8 0000ffff82d715c8 0000000000000000 ffff00000894e000
[19948953.066436] 3ec0: ffff000008968b30 ffff000008968000 ffff000008959078 0000000000000000
[19948953.074515] 3ee0: 0000000000000000 ffff80003a891b00 0000000000000000 0000000000000000
[19948953.082593] 3f00: 0000000000000000 ffff80003a8a3f50 ffff00000808485c ffff80003a8a3f50
[19948953.090672] 3f20: ffff000008084860 0000000000000145 0000000000000000 ffff0000080d8954
[19948953.098748] 3f40: ffffffffffffffff 7fffffffffffffff
[19948953.103879] [<ffff0000080827f4>] el1_irq+0xb4/0x140
[19948953.109011] [<ffff000008084860>] arch_cpu_idle+0x10/0x18
[19948953.114576] [<ffff0000080d89b4>] do_idle+0x10c/0x1a8
[19948953.119795] [<ffff0000080d8bbc>] cpu_startup_entry+0x24/0x28
[19948953.125707] [<ffff00000808e3a8>] secondary_start_kernel+0x100/0x110
[19948953.132224] [<00000000406b41c4>] 0x406b41c4
[19948953.136658] Task dump for CPU 3:
[19948953.140140] swapper/3       R  running task        0     0      1 0x00000000
[19948953.147438] Call trace:
[19948953.150143] [<ffff000008084d20>] __switch_to+0x90/0xa8
[19948953.155533] [<29ab2930a5313720>] 0x29ab2930a5313720
  Reply


Messages In This Thread
RE: Pine64 Debian Stretch/mainline - by Luke - 10-13-2017, 03:50 PM
RE: Pine64 Debian Stretch/mainline [4.14.1] - by alaric - 11-28-2017, 11:57 PM

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