Ein RevPi Compact
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Linux RevPi2451 6.1.112-rt43-v7 #1 SMP PREEMPT_RT Sat, 09 Nov 2024 17:29:00 +0100 armv7l GNU/LinuxCode: Select all
Mar 12 22:40:42 RevPi2451 kernel: [1263706.689691] smsc95xx 1-1.1:1.0 eth0: Link is Up - 100Mbps/Full - flow control off
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955247] BUG: scheduling while atomic: piControl i/o/275/0x00010001
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955268] Modules linked in: hid_logitech_hidpp joydev hid_logitech_dj wireguard curve25519_neon libcurve25519_generic libchacha20poly1305 chacha_neon poly1305_arm ip6_udp_tunnel udp_tunnel rfkill raspberrypi_hwmon bcm2835_v4l2(C) bcm2835_codec(C) bcm2835_isp(C) v4l2_mem2mem bcm2835_mmal_vchiq(C) videobuf2_vmalloc videobuf2_dma_contig snd_bcm2835(C) videobuf2_memops videobuf2_v4l2 snd_pcm videobuf2_common videodev snd_timer vc_sm_cma(C) snd mc uio_pdrv_genirq uio micrel ks8851_spi ks8851_common eeprom_93cx6 spidev piControl(O) ad5446 ti_dac082s085 mcp320x iio_mux mux_gpio mux_core fixed gpio_74x164 spi_bcm2835aux spi_bcm2835 gpio_max3191x crc8 industrialio drm i2c_dev fuse drm_panel_orientation_quirks backlight ip_tables x_tables ipv6
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955425] CPU: 3 PID: 275 Comm: piControl i/o Tainted: G C O 6.1.112-rt43-v7 #1
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955433] Hardware name: BCM2835
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955446] unwind_backtrace from show_stack+0x18/0x1c
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955472] show_stack from dump_stack_lvl+0x68/0x8c
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955488] dump_stack_lvl from __schedule_bug+0x5c/0x70
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955507] __schedule_bug from __schedule+0x654/0xb7c
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955524] __schedule from schedule_rtlock+0x20/0x48
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955541] schedule_rtlock from rtlock_slowlock_locked+0x3b8/0xf80
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955557] rtlock_slowlock_locked from rt_spin_lock+0x64/0x7c
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955567] rt_spin_lock from __wake_up_common_lock+0x60/0xc0
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955583] __wake_up_common_lock from __wake_up+0x20/0x28
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955598] __wake_up from wake_up_sleeper+0x20/0x28 [piControl]
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955688] wake_up_sleeper [piControl] from __hrtimer_run_queues+0x28c/0x45c
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955762] __hrtimer_run_queues from hrtimer_interrupt+0x128/0x2b4
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955777] hrtimer_interrupt from arch_timer_handler_phys+0x30/0x38
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955796] arch_timer_handler_phys from handle_percpu_devid_irq+0x94/0x268
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955814] handle_percpu_devid_irq from generic_handle_domain_irq+0x30/0x40
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955832] generic_handle_domain_irq from generic_handle_arch_irq+0x34/0x44
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955850] generic_handle_arch_irq from call_with_stack+0x18/0x20
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955867] call_with_stack from __irq_svc+0x88/0xc8
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955879] Exception stack(0xbbac1e00 to 0xbbac1e48)
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955888] 1e00: bbac1f20 00000000 00000000 00000000 8466b6c0 8466bc14 bbac1f20 bbac1f30
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955895] 1e20: 00000000 d1b71759 bbac1f59 bbac1e7c bbac1f24 bbac1e50 80adcb00 80155978
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955900] 1e40: 60000013 ffffffff
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955904] __irq_svc from migrate_enable+0x104/0x1b8
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955915] migrate_enable from rt_spin_unlock+0x14/0x58
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955925] rt_spin_unlock from prepare_to_wait_event+0x50/0x144
Mar 13 12:14:17 RevPi2451 kernel: [1312507.955936] prepare_to_wait_event from cycletimer_sleep+0x170/0x1b0 [piControl]
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956003] cycletimer_sleep [piControl] from revpi_compact_poll_io+0x25c/0x2bc [piControl]
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956127] revpi_compact_poll_io [piControl] from kthread+0xf4/0x134
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956196] kthread from ret_from_fork+0x14/0x30
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956205] Exception stack(0xbbac1fb0 to 0xbbac1ff8)
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956211] 1fa0: 00000000 00000000 00000000 00000000
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956217] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956223] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956408] ------------[ cut here ]------------
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956416] WARNING: CPU: 3 PID: 0 at kernel/context_tracking.c:128 ct_kernel_exit.constprop.0+0xa8/0xb4
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956437] Modules linked in: hid_logitech_hidpp joydev hid_logitech_dj wireguard curve25519_neon libcurve25519_generic libchacha20poly1305 chacha_neon poly1305_arm ip6_udp_tunnel udp_tunnel rfkill raspberrypi_hwmon bcm2835_v4l2(C) bcm2835_codec(C) bcm2835_isp(C) v4l2_mem2mem bcm2835_mmal_vchiq(C) videobuf2_vmalloc videobuf2_dma_contig snd_bcm2835(C) videobuf2_memops videobuf2_v4l2 snd_pcm videobuf2_common videodev snd_timer vc_sm_cma(C) snd mc uio_pdrv_genirq uio micrel ks8851_spi ks8851_common eeprom_93cx6 spidev piControl(O) ad5446 ti_dac082s085 mcp320x iio_mux mux_gpio mux_core fixed gpio_74x164 spi_bcm2835aux spi_bcm2835 gpio_max3191x crc8 industrialio drm i2c_dev fuse drm_panel_orientation_quirks backlight ip_tables x_tables ipv6
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956576] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G WC O 6.1.112-rt43-v7 #1
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956583] Hardware name: BCM2835
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956589] unwind_backtrace from show_stack+0x18/0x1c
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956605] show_stack from dump_stack_lvl+0x68/0x8c
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956618] dump_stack_lvl from __warn+0x88/0x184
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956634] __warn from warn_slowpath_fmt+0x1c0/0x1e4
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956645] warn_slowpath_fmt from ct_kernel_exit.constprop.0+0xa8/0xb4
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956659] ct_kernel_exit.constprop.0 from default_idle_call+0x4c/0x15c
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956676] default_idle_call from do_idle+0xfc/0x148
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956688] do_idle from cpu_startup_entry+0x30/0x34
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956698] cpu_startup_entry from secondary_start_kernel+0x128/0x130
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956710] secondary_start_kernel from 0x1014c0
Mar 13 12:14:17 RevPi2451 kernel: [1312507.956741] ---[ end trace 0000000000000000 ]---
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984139] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984153] rcu: 3-...!: (33 ticks this GP) idle=1008/0/0x0 softirq=0/0 fqs=1 (false positive?)
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984166] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-3): P275/1:b..l
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984180] (detected by 2, t=2102 jiffies, g=2366245, q=63 ncpus=4)
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984187] Sending NMI from CPU 2 to CPUs 3:
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984196] NMI backtrace for cpu 3
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984202] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G WC O 6.1.112-rt43-v7 #1
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984210] Hardware name: BCM2835
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984213] PC is at arch_cpu_idle+0x40/0x44
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984229] LR is at arch_cpu_idle+0x3c/0x44
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984239] pc : [<80107f6c>] lr : [<80107f68>] psr: 60000013
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984243] sp : bb875fa8 ip : 00000000 fp : 00000000
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984246] r10: 00000000 r9 : 80d1929c r8 : 811561c6
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984250] r7 : 810068b8 r6 : 00000003 r5 : 8160a480 r4 : 81157620
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984254] r3 : 80118660 r2 : eee41009 r1 : 00000000 r0 : 00000005
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984259] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984266] Control: 10c5383d Table: 0613006a DAC: 00000055
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984274] arch_cpu_idle from default_idle_call+0x50/0x15c
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984292] default_idle_call from do_idle+0xfc/0x148
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984305] do_idle from cpu_startup_entry+0x30/0x34
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984314] cpu_startup_entry from secondary_start_kernel+0x128/0x130
Mar 13 12:14:24 RevPi2451 kernel: [1312528.984328] secondary_start_kernel from 0x1014c0
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985195] task:piControl i/o state:D stack:0 pid:275 ppid:2 flags:0x00000000
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985206] __schedule from prb_final_commit+0x1c/0x28
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985227] prb_final_commit from 0x60000193
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985243] rcu: rcu_preempt kthread timer wakeup didn't happen for 2098 jiffies! g2366245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985250] rcu: Possible timer handling issue on cpu=3 timer-softirq=30162703
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985254] rcu: rcu_preempt kthread starved for 2099 jiffies! g2366245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985261] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985264] rcu: RCU grace-period kthread stack dump:
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985266] task:rcu_preempt state:I stack:0 pid:17 ppid:2 flags:0x00000000
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985274] __schedule from schedule+0x60/0x10c
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985292] schedule from schedule_timeout+0x98/0x19c
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985306] schedule_timeout from rcu_gp_fqs_loop+0x12c/0x498
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985322] rcu_gp_fqs_loop from rcu_gp_kthread+0x134/0x174
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985339] rcu_gp_kthread from kthread+0xf4/0x134
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985353] kthread from ret_from_fork+0x14/0x30
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985362] Exception stack(0xbb859fb0 to 0xbb859ff8)
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985369] 9fa0: 00000000 00000000 00000000 00000000
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985376] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985382] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985386] rcu: Stack dump where RCU GP kthread last ran:
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985388] Sending NMI from CPU 2 to CPUs 3:
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985393] NMI backtrace for cpu 3
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985397] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G WC O 6.1.112-rt43-v7 #1
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985403] Hardware name: BCM2835
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985405] PC is at arch_cpu_idle+0x40/0x44
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985415] LR is at arch_cpu_idle+0x3c/0x44
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985424] pc : [<80107f6c>] lr : [<80107f68>] psr: 60000013
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985428] sp : bb875fa8 ip : 00000000 fp : 00000000
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985432] r10: 00000000 r9 : 80d1929c r8 : 811561c6
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985435] r7 : 810068b8 r6 : 00000003 r5 : 8160a480 r4 : 81157620
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985439] r3 : 80118660 r2 : eee410b1 r1 : 00000000 r0 : 00000005
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985444] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985449] Control: 10c5383d Table: 0613006a DAC: 00000055
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985453] arch_cpu_idle from default_idle_call+0x50/0x15c
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985468] default_idle_call from do_idle+0xfc/0x148
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985479] do_idle from cpu_startup_entry+0x30/0x34
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985488] cpu_startup_entry from secondary_start_kernel+0x128/0x130
Mar 13 12:14:24 RevPi2451 kernel: [1312528.985499] secondary_start_kernel from 0x1014c0
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034642] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034654] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-3): P275/1:b..l
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034671] (detected by 0, t=8407 jiffies, g=2366245, q=148 ncpus=4)
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034679] task:piControl i/o state:D stack:0 pid:275 ppid:2 flags:0x00000000
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034694] __schedule from prb_final_commit+0x1c/0x28
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034723] prb_final_commit from 0x60000193
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034758] rcu: rcu_preempt kthread timer wakeup didn't happen for 6304 jiffies! g2366245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034765] rcu: Possible timer handling issue on cpu=3 timer-softirq=30162703
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034769] rcu: rcu_preempt kthread starved for 6305 jiffies! g2366245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034776] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034779] rcu: RCU grace-period kthread stack dump:
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034781] task:rcu_preempt state:I stack:0 pid:17 ppid:2 flags:0x00000000
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034790] __schedule from schedule+0x60/0x10c
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034807] schedule from schedule_timeout+0x98/0x19c
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034823] schedule_timeout from rcu_gp_fqs_loop+0x12c/0x498
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034839] rcu_gp_fqs_loop from rcu_gp_kthread+0x134/0x174
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034856] rcu_gp_kthread from kthread+0xf4/0x134
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034870] kthread from ret_from_fork+0x14/0x30
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034880] Exception stack(0xbb859fb0 to 0xbb859ff8)
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034887] 9fa0: 00000000 00000000 00000000 00000000
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034894] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034900] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034904] rcu: Stack dump where RCU GP kthread last ran:
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034907] Sending NMI from CPU 0 to CPUs 3:
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034915] NMI backtrace for cpu 3
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034922] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G WC O 6.1.112-rt43-v7 #1
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034929] Hardware name: BCM2835
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034931] PC is at arch_cpu_idle+0x40/0x44
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034943] LR is at arch_cpu_idle+0x3c/0x44
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034952] pc : [<80107f6c>] lr : [<80107f68>] psr: 60000013
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034956] sp : bb875fa8 ip : 00000000 fp : 00000000
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034959] r10: 00000000 r9 : 80d1929c r8 : 811561c6
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034963] r7 : 810068b8 r6 : 00000003 r5 : 8160a480 r4 : 81157620
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034967] r3 : 80118660 r2 : ef58ffa9 r1 : 00000000 r0 : 00000005
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034972] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034978] Control: 10c5383d Table: 0613006a DAC: 00000055
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034983] arch_cpu_idle from default_idle_call+0x50/0x15c
Mar 13 12:15:27 RevPi2451 kernel: [1312592.034998] default_idle_call from do_idle+0xfc/0x148
Mar 13 12:15:27 RevPi2451 kernel: [1312592.035010] do_idle from cpu_startup_entry+0x30/0x34
Mar 13 12:15:27 RevPi2451 kernel: [1312592.035019] cpu_startup_entry from secondary_start_kernel+0x128/0x130
Mar 13 12:15:27 RevPi2451 kernel: [1312592.035033] secondary_start_kernel from 0x1014c0
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085145] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085158] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-3): P275/1:b..l
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085174] (detected by 2, t=14712 jiffies, g=2366245, q=236 ncpus=4)
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085182] task:piControl i/o state:D stack:0 pid:275 ppid:2 flags:0x00000000
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085197] __schedule from prb_final_commit+0x1c/0x28
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085227] prb_final_commit from 0x60000193
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085261] rcu: rcu_preempt kthread timer wakeup didn't happen for 6301 jiffies! g2366245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085268] rcu: Possible timer handling issue on cpu=3 timer-softirq=30162703
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085272] rcu: rcu_preempt kthread starved for 6302 jiffies! g2366245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085279] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085282] rcu: RCU grace-period kthread stack dump:
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085284] task:rcu_preempt state:I stack:0 pid:17 ppid:2 flags:0x00000000
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085292] __schedule from schedule+0x60/0x10c
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085310] schedule from schedule_timeout+0x98/0x19c
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085326] schedule_timeout from rcu_gp_fqs_loop+0x12c/0x498
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085342] rcu_gp_fqs_loop from rcu_gp_kthread+0x134/0x174
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085359] rcu_gp_kthread from kthread+0xf4/0x134
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085374] kthread from ret_from_fork+0x14/0x30
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085384] Exception stack(0xbb859fb0 to 0xbb859ff8)
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085391] 9fa0: 00000000 00000000 00000000 00000000
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085398] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085404] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085408] rcu: Stack dump where RCU GP kthread last ran:
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085411] Sending NMI from CPU 2 to CPUs 3:
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085419] NMI backtrace for cpu 3
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085426] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G WC O 6.1.112-rt43-v7 #1
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085433] Hardware name: BCM2835
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085435] PC is at arch_cpu_idle+0x40/0x44
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085446] LR is at arch_cpu_idle+0x3c/0x44
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085455] pc : [<80107f6c>] lr : [<80107f68>] psr: 60000013
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085460] sp : bb875fa8 ip : 00000000 fp : 00000000
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085463] r10: 00000000 r9 : 80d1929c r8 : 811561c6
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085467] r7 : 810068b8 r6 : 00000003 r5 : 8160a480 r4 : 81157620
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085471] r3 : 80118660 r2 : efd1c9a9 r1 : 00000000 r0 : 00000005
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085476] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085482] Control: 10c5383d Table: 0613006a DAC: 00000055
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085486] arch_cpu_idle from default_idle_call+0x50/0x15c
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085502] default_idle_call from do_idle+0xfc/0x148
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085514] do_idle from cpu_startup_entry+0x30/0x34
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085524] cpu_startup_entry from secondary_start_kernel+0x128/0x130
Mar 13 12:16:30 RevPi2451 kernel: [1312655.085536] secondary_start_kernel from 0x1014c0
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Mar 13 16:45:02 RevPi2451 kernel: [ 0.000000] Booting Linux on physical CPU 0x0
Grüsse
Michael
