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* [odroidc1] Kernel dump while copying large files via network
@ 2019-10-07 13:00 Piero
  2019-10-16  8:07 ` Piero
  2019-10-17 19:44 ` Martin Blumenstingl
  0 siblings, 2 replies; 3+ messages in thread
From: Piero @ 2019-10-07 13:00 UTC (permalink / raw)
  To: linux-amlogic

Hi,

I'm using mainline kernel 5.3.3 on Odroid C1 and while copying large
files via network (samba) the kernel dumps and the system/network
become very slow (still responding ma very very sluggish).
Here is the kernel dump:

[ 1793.786626] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[ 1793.787183] rcu:     1-....: (82 ticks this GP)
idle=c42/1/0x40000004 softirq=7315/7315 fqs=70
[ 1793.787435]  (detected by 3, t=2123 jiffies, g=23589, q=1733)
[ 1793.787662] Sending NMI from CPU 3 to CPUs 1:
[ 1793.809268] NMI backtrace for cpu 1
[ 1793.809458] CPU: 1 PID: 31 Comm: kworker/1:1 Not tainted
5.3.3-odroidc1 #5.98.191003
[ 1793.809573] Hardware name: Amlogic Meson platform
[ 1793.809677] Workqueue: events dbs_work_handler
[ 1793.809860] PC is at skb_zerocopy_clone+0xc/0x110
[ 1793.809964] LR is at skb_split+0x48/0x224
[ 1793.810096] pc : [<c0cf6e38>]    lr : [<c0cf6f84>]    psr: a00b0113
[ 1793.810209] sp : ea0b7960  ip : 00000000  fp : 000005b4
[ 1793.810323] r10: 00000000  r9 : e8a35b00  r8 : 266f0114
[ 1793.810455] r7 : 00000000  r6 : e9d98600  r5 : 00000b68  r4 : e9d98480
[ 1793.810585] r3 : 00000000  r2 : 00000000  r1 : e9d98480  r0 : e9d98600
[ 1793.810721] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[ 1793.810841] Control: 10c5387d  Table: 283f804a  DAC: 00000051
[ 1793.810985] CPU: 1 PID: 31 Comm: kworker/1:1 Not tainted
5.3.3-odroidc1 #5.98.191003
[ 1793.811096] Hardware name: Amlogic Meson platform
[ 1793.811190] Workqueue: events dbs_work_handler
[ 1793.811404] [<c031183c>] (unwind_backtrace) from [<c030c890>]
(show_stack+0x10/0x14)
[ 1793.811547] [<c030c890>] (show_stack) from [<c0e89c38>]
(dump_stack+0xb4/0xc8)
[ 1793.811692] [<c0e89c38>] (dump_stack) from [<c0e90604>]
(nmi_cpu_backtrace+0x74/0xc4)
[ 1793.811840] [<c0e90604>] (nmi_cpu_backtrace) from [<c030fa48>]
(handle_IPI+0xe4/0x3dc)
[ 1793.811983] [<c030fa48>] (handle_IPI) from [<c08d34e0>]
(gic_handle_irq+0x8c/0x90)
[ 1793.812123] [<c08d34e0>] (gic_handle_irq) from [<c0301a8c>]
(__irq_svc+0x6c/0x90)
[ 1793.812235] Exception stack(0xea0b7910 to 0xea0b7958)
[ 1793.812387] 7900:                                     e9d98600
e9d98480 00000000 00000000
[ 1793.812537] 7920: e9d98480 00000b68 e9d98600 00000000 266f0114
e8a35b00 00000000 000005b4
[ 1793.812670] 7940: 00000000 ea0b7960 c0cf6f84 c0cf6e38 a00b0113 ffffffff
[ 1793.812820] [<c0301a8c>] (__irq_svc) from [<c0cf6e38>]
(skb_zerocopy_clone+0xc/0x110)
[ 1793.812964] [<c0cf6e38>] (skb_zerocopy_clone) from [<c0cf6f84>]
(skb_split+0x48/0x224)
[ 1793.813108] [<c0cf6f84>] (skb_split) from [<c0d8e054>]
(tcp_write_xmit+0x518/0x1174)
[ 1793.813269] [<c0d8e054>] (tcp_write_xmit) from [<c0d8ece0>]
(__tcp_push_pending_frames+0x30/0xd8)
[ 1793.813435] [<c0d8ece0>] (__tcp_push_pending_frames) from
[<c0d8977c>] (tcp_rcv_established+0x674/0x6f8)
[ 1793.813590] [<c0d8977c>] (tcp_rcv_established) from [<c0d92f24>]
(tcp_v4_do_rcv+0x174/0x1fc)
[ 1793.813735] [<c0d92f24>] (tcp_v4_do_rcv) from [<c0d95ab4>]
(tcp_v4_rcv+0xbd8/0xe10)
[ 1793.813887] [<c0d95ab4>] (tcp_v4_rcv) from [<c0d6b700>]
(ip_protocol_deliver_rcu+0x30/0x30c)
[ 1793.814052] [<c0d6b700>] (ip_protocol_deliver_rcu) from
[<c0d6ba28>] (ip_local_deliver_finish+0x4c/0x58)
[ 1793.814211] [<c0d6ba28>] (ip_local_deliver_finish) from
[<c0d6ba94>] (ip_local_deliver+0x60/0xf4)
[ 1793.814349] [<c0d6ba94>] (ip_local_deliver) from [<c0d6bb78>]
(ip_rcv+0x50/0xb0)
[ 1793.814506] [<c0d6bb78>] (ip_rcv) from [<c0d0d770>]
(__netif_receive_skb_one_core+0x50/0x6c)
[ 1793.814670] [<c0d0d770>] (__netif_receive_skb_one_core) from
[<c0d0ec40>] (process_backlog+0x80/0x13c)
[ 1793.814818] [<c0d0ec40>] (process_backlog) from [<c0d0e8d8>]
(net_rx_action+0x120/0x408)
[ 1793.814964] [<c0d0e8d8>] (net_rx_action) from [<c0302298>]
(__do_softirq+0x130/0x3c8)
[ 1793.815101] [<c0302298>] (__do_softirq) from [<c033ae38>]
(irq_exit+0xbc/0xd8)
[ 1793.815245] [<c033ae38>] (irq_exit) from [<c0391d10>]
(__handle_domain_irq+0x60/0xb4)
[ 1793.815397] [<c0391d10>] (__handle_domain_irq) from [<c08d34a0>]
(gic_handle_irq+0x4c/0x90)
[ 1793.815536] [<c08d34a0>] (gic_handle_irq) from [<c0301a8c>]
(__irq_svc+0x6c/0x90)
[ 1793.815649] Exception stack(0xea0b7c88 to 0xea0b7cd0)
[ 1793.815801] 7c80:                   00000000 600b0013 c02fdb00
ea0b7cd8 000088c8 c023acc0
[ 1793.815951] 7ca0: c022f000 c14ff3e8 00000000 c023acc0 00000000
eb67c050 00000000 ea0b7cd8
[ 1793.816064] 7cc0: c02fdb00 c0944680 600b0013 ffffffff
[ 1793.816209] [<c0301a8c>] (__irq_svc) from [<c0944680>]
(clk_prepare_lock+0x28/0xf8)
[ 1793.816369] [<c0944680>] (clk_prepare_lock) from [<c0946ea4>]
(clk_core_disable_unprepare+0x10/0x20)
[ 1793.816538] [<c0946ea4>] (clk_core_disable_unprepare) from
[<c0946efc>] (__clk_set_parent_after+0x48/0x4c)
[ 1793.816705] [<c0946efc>] (__clk_set_parent_after) from [<c09481b0>]
(clk_core_set_parent_nolock+0x16c/0x2a0)
[ 1793.816868] [<c09481b0>] (clk_core_set_parent_nolock) from
[<c094831c>] (clk_set_parent+0x38/0x90)
[ 1793.817026] [<c094831c>] (clk_set_parent) from [<c094ea98>]
(meson8b_cpu_clk_notifier_cb+0x44/0x88)
[ 1793.817191] [<c094ea98>] (meson8b_cpu_clk_notifier_cb) from
[<c0357074>] (notifier_call_chain+0x48/0x84)
[ 1793.817357] [<c0357074>] (notifier_call_chain) from [<c035743c>]
(__srcu_notifier_call_chain+0x44/0x98)
[ 1793.817526] [<c035743c>] (__srcu_notifier_call_chain) from
[<c03574a8>] (srcu_notifier_call_chain+0x18/0x20)
[ 1793.817686] [<c03574a8>] (srcu_notifier_call_chain) from
[<c0944b10>] (__clk_notify+0x7c/0xa8)
[ 1793.817843] [<c0944b10>] (__clk_notify) from [<c0944bc8>]
(clk_propagate_rate_change+0x8c/0xbc)
[ 1793.818009] [<c0944bc8>] (clk_propagate_rate_change) from
[<c0944bb8>] (clk_propagate_rate_change+0x7c/0xbc)
[ 2063.834737] rcu: INFO: rcu_sched self-detected stall on CPU
[ 2063.835267] rcu:     1-....: (673 ticks this GP)
idle=8ca/1/0x40000004 softirq=8230/8231 fqs=988
[ 2063.835481]  (t=2100 jiffies g=27185 q=1726)
[ 2063.835645] NMI backtrace for cpu 1
[ 2063.835951] CPU: 1 PID: 31 Comm: kworker/1:1 Not tainted
5.3.3-odroidc1 #5.98.191003
[ 2063.836092] Hardware name: Amlogic Meson platform
[ 2063.836532] Workqueue: events dbs_work_handler
[ 2063.837301] [<c031183c>] (unwind_backtrace) from [<c030c890>]
(show_stack+0x10/0x14)
[ 2063.837767] [<c030c890>] (show_stack) from [<c0e89c38>]
(dump_stack+0xb4/0xc8)
[ 2063.838336] [<c0e89c38>] (dump_stack) from [<c0e90650>]
(nmi_cpu_backtrace+0xc0/0xc4)
[ 2063.838915] [<c0e90650>] (nmi_cpu_backtrace) from [<c0e90740>]
(nmi_trigger_cpumask_backtrace+0xec/0x130)
[ 2063.839550] [<c0e90740>] (nmi_trigger_cpumask_backtrace) from
[<c03aa080>] (rcu_dump_cpu_stacks+0xac/0xd4)
[ 2063.840079] [<c03aa080>] (rcu_dump_cpu_stacks) from [<c03a9384>]
(rcu_sched_clock_irq+0x74c/0x94c)
[ 2063.840624] [<c03a9384>] (rcu_sched_clock_irq) from [<c03b0c64>]
(update_process_times+0x34/0x5c)
[ 2063.841238] [<c03b0c64>] (update_process_times) from [<c03c3ad0>]
(tick_sched_timer+0x4c/0xa8)
[ 2063.841780] [<c03c3ad0>] (tick_sched_timer) from [<c03b1880>]
(__hrtimer_run_queues+0x1a4/0x39c)
[ 2063.842291] [<c03b1880>] (__hrtimer_run_queues) from [<c03b2760>]
(hrtimer_interrupt+0x104/0x2c4)
[ 2063.842806] [<c03b2760>] (hrtimer_interrupt) from [<c03108a0>]
(twd_handler+0x30/0x40)
[ 2063.843309] [<c03108a0>] (twd_handler) from [<c03975f4>]
(handle_percpu_devid_irq+0x8c/0x240)
[ 2063.843861] [<c03975f4>] (handle_percpu_devid_irq) from
[<c0391720>] (generic_handle_irq+0x24/0x34)
[ 2063.844387] [<c0391720>] (generic_handle_irq) from [<c0391d0c>]
(__handle_domain_irq+0x5c/0xb4)
[ 2063.845029] [<c0391d0c>] (__handle_domain_irq) from [<c08d34a0>]
(gic_handle_irq+0x4c/0x90)
[ 2063.845533] [<c08d34a0>] (gic_handle_irq) from [<c0301a8c>]
(__irq_svc+0x6c/0x90)
[ 2063.845728] Exception stack(0xea0b7870 to 0xea0b78b8)
[ 2063.846040] 7860:                                     08e367e9
00000001 00000000 00000000
[ 2063.846478] 7880: e8a37000 00000004 e9dbed80 e8a37000 02699230
e84ef180 c1404c48 02699d98
[ 2063.846845] 78a0: 0002afa9 ea0b78c0 c0d86c70 c0d8c18c 60030113 ffffffff
[ 2063.847417] [<c0301a8c>] (__irq_svc) from [<c0d8c18c>]
(tcp_schedule_loss_probe+0x58/0x184)
[ 2063.847933] [<c0d8c18c>] (tcp_schedule_loss_probe) from
[<c0d86c70>] (tcp_ack+0xefc/0x14ac)
[ 2063.848404] [<c0d86c70>] (tcp_ack) from [<c0d89744>]
(tcp_rcv_established+0x63c/0x6f8)
[ 2063.848934] [<c0d89744>] (tcp_rcv_established) from [<c0d92f24>]
(tcp_v4_do_rcv+0x174/0x1fc)
[ 2063.849479] [<c0d92f24>] (tcp_v4_do_rcv) from [<c0d95ab4>]
(tcp_v4_rcv+0xbd8/0xe10)
[ 2063.850048] [<c0d95ab4>] (tcp_v4_rcv) from [<c0d6b700>]
(ip_protocol_deliver_rcu+0x30/0x30c)
[ 2063.850554] [<c0d6b700>] (ip_protocol_deliver_rcu) from
[<c0d6ba28>] (ip_local_deliver_finish+0x4c/0x58)
[ 2063.851033] [<c0d6ba28>] (ip_local_deliver_finish) from
[<c0d6ba94>] (ip_local_deliver+0x60/0xf4)
[ 2063.851482] [<c0d6ba94>] (ip_local_deliver) from [<c0d6bb78>]
(ip_rcv+0x50/0xb0)
[ 2063.852023] [<c0d6bb78>] (ip_rcv) from [<c0d0d770>]
(__netif_receive_skb_one_core+0x50/0x6c)
[ 2063.852545] [<c0d0d770>] (__netif_receive_skb_one_core) from
[<c0d0ec40>] (process_backlog+0x80/0x13c)
[ 2063.853023] [<c0d0ec40>] (process_backlog) from [<c0d0e8d8>]
(net_rx_action+0x120/0x408)
[ 2063.853495] [<c0d0e8d8>] (net_rx_action) from [<c0302298>]
(__do_softirq+0x130/0x3c8)
[ 2063.853966] [<c0302298>] (__do_softirq) from [<c033ae38>]
(irq_exit+0xbc/0xd8)
[ 2063.854480] [<c033ae38>] (irq_exit) from [<c0391d10>]
(__handle_domain_irq+0x60/0xb4)
[ 2063.855061] [<c0391d10>] (__handle_domain_irq) from [<c08d34a0>]
(gic_handle_irq+0x4c/0x90)
[ 2063.855540] [<c08d34a0>] (gic_handle_irq) from [<c0301a8c>]
(__irq_svc+0x6c/0x90)
[ 2063.855728] Exception stack(0xea0b7c88 to 0xea0b7cd0)
[ 2063.856098] 7c80:                   00b71b00 00000002 00000001
00000000 c023c6c0 00000002
[ 2063.856526] 7ca0: 15752a00 c14ff3e8 00000000 c023acc0 00000000
eb67c050 60030013 ea0b7cd8
[ 2063.856813] 7cc0: c094abb4 c0945578 60030013 ffffffff
[ 2063.857384] [<c0301a8c>] (__irq_svc) from [<c0945578>]
(__clk_recalc_rates+0x24/0x84)
[ 2063.857931] [<c0945578>] (__clk_recalc_rates) from [<c09455a8>]
(__clk_recalc_rates+0x54/0x84)
[ 2063.858420] [<c09455a8>] (__clk_recalc_rates) from [<c09481bc>]
(clk_core_set_parent_nolock+0x178/0x2a0)
[ 2063.858846] [<c09481bc>] (clk_core_set_parent_nolock) from
[<c094831c>] (clk_set_parent+0x38/0x90)
[ 2063.859393] [<c094831c>] (clk_set_parent) from [<c094ea98>]
(meson8b_cpu_clk_notifier_cb+0x44/0x88)
[ 2063.859869] [<c094ea98>] (meson8b_cpu_clk_notifier_cb) from
[<c0357074>] (notifier_call_chain+0x48/0x84)
[ 2063.860302] [<c0357074>] (notifier_call_chain) from [<c035743c>]
(__srcu_notifier_call_chain+0x44/0x98)
[ 2063.860724] [<c035743c>] (__srcu_notifier_call_chain) from
[<c03574a8>] (srcu_notifier_call_chain+0x18/0x20)
[ 2063.861176] [<c03574a8>] (srcu_notifier_call_chain) from
[<c0944b10>] (__clk_notify+0x7c/0xa8)
[ 2063.861679] [<c0944b10>] (__clk_notify) from [<c0944bc8>]
(clk_propagate_rate_change+0x8c/0xbc)
[ 2063.862198] [<c0944bc8>] (clk_propagate_rate_change) from
[<c0944bb8>] (clk_propagate_rate_change+0x7c/0xbc)


Can anyone point me in the right direction to solve this?

Thanks in advance
*Ciao
Piero

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^ permalink raw reply	[flat|nested] 3+ messages in thread

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2019-10-07 13:00 [odroidc1] Kernel dump while copying large files via network Piero
2019-10-16  8:07 ` Piero
2019-10-17 19:44 ` Martin Blumenstingl

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