crash on 4.1.15 #1253
Description
I am running on a Raspberry Pi B2 with Raspbian Jessie and played a movie on kodi 15.2 an got a crash.
uname -a
Linux rpi2 4.1.15-v7+ #830 SMP Tue Dec 15 17:02:45 GMT 2015 armv7l GNU/Linux
grep -v '^#' /boot/config.txt
overscan_top=-16
overscan_bottom=-16
hdmi_group=1
hdmi_mode=31
arm_freq=1000
decode_MPG2=0xbla
decode_WVC1=0xbla
dtoverlay=hifiberry-dacplus
gpu_mem=160
max_usb_current=1
arm_freq=1000
core_freq=500
sdram_freq=500
over_voltage=2
gpu_mem_256=128
gpu_mem_512=256
gpu_mem_1024=256
overscan_scale=1
lsusb
Bus 001 Device 008: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 007: ID 0a5c:200a Broadcom Corp. BCM2035 Bluetooth dongle
Bus 001 Device 006: ID 05e3:0605 Genesys Logic, Inc. USB 2.0 Hub
Bus 001 Device 005: ID 0480:a00d Toshiba America Info. Systems, Inc.
Bus 001 Device 004: ID 0bda:8179 Realtek Semiconductor Corp.
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
syslog:
Jan 7 18:32:25 rpi2 wpa_supplicant[458]: wlan0: WPA: Group rekeying completed with e8:37:7a:2d:6f:50 [GTK=CCMP]
Jan 7 18:39:01 rpi2 CRON[26821]: (root) CMD ( [ -x /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean)
Jan 7 18:54:10 rpi2 kernel: [188400.707948] Unable to handle kernel paging request at virtual address fffffd48
Jan 7 18:54:10 rpi2 kernel: [188400.721828] pgd = 80004000
Jan 7 18:54:10 rpi2 kernel: [188400.730967] [fffffd48] *pgd=2e7fa821, *pte=00000000, *ppte=00000000
Jan 7 18:54:10 rpi2 kernel: [188400.741281] Internal error: Oops: 17 [#1] SMP ARM
Jan 7 18:54:10 rpi2 kernel: [188400.749824] Modules linked in: rfcomm hidp bnep cfg80211 snd_soc_pcm512x_i2c snd_soc_pcm512x regmap_i2c btusb btbcm btintel bluetooth r8188eu(C) rfkill evdev sg snd_soc_hifiberry_dacplus snd_soc_bcm2708_i2s snd_soc_hifiberry_dac regmap_mmio i2c_bcm2708 snd_soc_core bcm2835_gpiomem snd_compress snd_pcm_dmaengine clk_hifiberry_dacpro snd_pcm snd_timer snd uio_pdrv_genirq uio joydev uinput fuse ipv6
Jan 7 18:54:10 rpi2 kernel: [188400.749917] CPU: 2 PID: 26 Comm: khungtaskd Tainted: G C 4.1.15-v7+ #830
Jan 7 18:54:10 rpi2 kernel: [188400.749923] Hardware name: BCM2709
Jan 7 18:54:10 rpi2 kernel: [188400.749929] task: add5a280 ti: ade48000 task.ti: ade48000
Jan 7 18:54:10 rpi2 kernel: [188400.749945] PC is at watchdog+0x114/0x350
Jan 7 18:54:10 rpi2 kernel: [188400.749950] LR is at watchdog+0x94/0x350
Jan 7 18:54:10 rpi2 kernel: [188400.749958] pc : [<800b2980>] lr : [<800b2900>] psr: 20000013
Jan 7 18:54:10 rpi2 kernel: [188400.749958] sp : ade49f10 ip : 00007f51 fp : ade49f5c
Jan 7 18:54:10 rpi2 kernel: [188400.749961] r10: 00000000 r9 : 808e6ba0 r8 : 0000034e
Jan 7 18:54:10 rpi2 kernel: [188400.749965] r7 : a9795238 r6 : fffffd48 r5 : 807ff66c r4 : 00007f4e
Jan 7 18:54:10 rpi2 kernel: [188400.749969] r3 : a8ae2ecc r2 : 00000000 r1 : a8ad0b80 r0 : 00000000
Jan 7 18:54:10 rpi2 kernel: [188400.749975] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Jan 7 18:54:10 rpi2 kernel: [188400.749980] Control: 10c5387d Table: 284b406a DAC: 00000015
Jan 7 18:54:10 rpi2 kernel: [188400.749984] Process khungtaskd (pid: 26, stack limit = 0xade48210)
Jan 7 18:54:10 rpi2 kernel: [188400.749990] Stack: (0xade49f10 to 0xade4a000)
Jan 7 18:54:10 rpi2 kernel: [188400.749996] 9f00: a0000113 2d94a000 00008000 00000078
Jan 7 18:54:10 rpi2 kernel: [188400.750004] 9f20: 808e6ba0 a9795080 800b286c 00000000 00000000 ade1aa40 00000000 00000000
Jan 7 18:54:10 rpi2 kernel: [188400.750012] 9f40: 800b286c 00000000 00000000 00000000 ade49fac ade49f60 800426d0 800b2878
Jan 7 18:54:10 rpi2 kernel: [188400.750020] 9f60: ade49f94 00000000 800492e0 00000000 00000000 00000000 ade49f78 ade49f78
Jan 7 18:54:10 rpi2 kernel: [188400.750028] 9f80: 00000000 00000000 ade49f88 ade49f88 ade1aa40 800425e8 00000000 00000000
Jan 7 18:54:10 rpi2 kernel: [188400.750035] 9fa0: 00000000 ade49fb0 8000f858 800425f4 00000000 00000000 00000000 00000000
Jan 7 18:54:10 rpi2 kernel: [188400.750043] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Jan 7 18:54:10 rpi2 kernel: [188400.750051] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 55553ee4 5555019a
Jan 7 18:54:10 rpi2 kernel: [188400.750074] [<800b2980>] (watchdog) from [<800426d0>] (kthread+0xe8/0x104)
Jan 7 18:54:10 rpi2 kernel: [188400.750091] [<800426d0>] (kthread) from [<8000f858>] (ret_from_fork+0x14/0x3c)
Jan 7 18:54:10 rpi2 kernel: [188400.750100] Code: e35c0000 e24c4001 1a00000d ea000072 (e5963000)
Jan 7 18:54:11 rpi2 kernel: [188400.768044] ---[ end trace c53cfa2911144eb1 ]---
Jan 7 19:02:22 rpi2 wpa_supplicant[458]: wlan0: WPA: Group rekeying completed with e8:37:7a:2d:6f:50 [GTK=CCMP]
Jan 7 19:02:22 rpi2 wpa_supplicant[458]: wlan0: WPA: Group rekeying completed with e8:37:7a:2d:6f:50 [GTK=CCMP]
Jan 7 19:09:01 rpi2 CRON[27122]: (root) CMD ( [ -x /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean)
Jan 7 19:17:24 rpi2 kernel: [189792.167764] INFO: rcu_sched self-detected stall on CPU
Jan 7 19:17:24 rpi2 kernel: [189792.177760] INFO: rcu_sched detected stalls on CPUs/tasks:
Jan 7 19:17:24 rpi2 kernel: [189792.177774] 2: (2100 ticks this GP) idle=42d/140000000000001/0 softirq=2666389/2666389 fqs=2101
Jan 7 19:17:24 rpi2 kernel: [189792.177781] (detected by 3, t=2102 jiffies, g=5167501, c=5167500, q=1700)
Jan 7 19:17:24 rpi2 kernel: [189792.177785] Task dump for CPU 2:
Jan 7 19:17:24 rpi2 kernel: [189792.177793] systemd-journal R running 0 112 1 0x00000006
Jan 7 19:17:24 rpi2 kernel: [189792.177823] [<80553e00>] (__schedule) from [<80033f6c>] (get_signal+0x1ac/0x6c0)
Jan 7 19:17:24 rpi2 kernel: [189792.177840] [<80033f6c>] (get_signal) from [<80012f1c>] (do_signal+0x98/0x3a0)
Jan 7 19:17:24 rpi2 kernel: [189792.177853] [<80012f1c>] (do_signal) from [<8001340c>] (do_work_pending+0xb8/0xc8)
Jan 7 19:17:24 rpi2 kernel: [189792.177864] [<8001340c>] (do_work_pending) from [<8000f7e4>] (work_pending+0xc/0x20)
Jan 7 19:17:24 rpi2 kernel: [189792.590701] 2: (2100 ticks this GP) idle=42d/140000000000001/0 softirq=2666389/2666389 fqs=2144
Jan 7 19:17:24 rpi2 kernel: [189792.634283] (t=2147 jiffies g=5167501 c=5167500 q=1741)
Jan 7 19:17:24 rpi2 kernel: [189792.673392] Task dump for CPU 2:
Jan 7 19:17:24 rpi2 kernel: [189792.709621] systemd-journal R running 0 112 1 0x00000006
Jan 7 19:17:24 rpi2 kernel: [189792.748855] [<800180c0>] (unwind_backtrace) from [<80013b88>] (show_stack+0x20/0x24)
Jan 7 19:17:24 rpi2 kernel: [189792.793926] [<80013b88>] (show_stack) from [<8004e2d8>] (sched_show_task+0xa4/0x100)
Jan 7 19:17:24 rpi2 kernel: [189792.839026] [<8004e2d8>] (sched_show_task) from [<80051114>] (dump_cpu_task+0x3c/0x4c)
Jan 7 19:17:24 rpi2 kernel: [189792.881739] [<80051114>] (dump_cpu_task) from [<80072cf8>] (rcu_dump_cpu_stacks+0xa0/0xe4)
Jan 7 19:17:24 rpi2 kernel: [189792.925160] [<80072cf8>] (rcu_dump_cpu_stacks) from [<800764b8>] (rcu_check_callbacks+0x4e8/0x8a4)
Jan 7 19:17:24 rpi2 kernel: [189792.969630] [<800764b8>] (rcu_check_callbacks) from [<8007aff0>] (update_process_times+0x48/0x74)
Jan 7 19:17:24 rpi2 kernel: [189793.013282] [<8007aff0>] (update_process_times) from [<8008be40>] (tick_sched_handle+0x58/0x64)
Jan 7 19:17:24 rpi2 kernel: [189793.060555] [<8008be40>] (tick_sched_handle) from [<8008bea0>] (tick_sched_timer+0x54/0x98)
Jan 7 19:17:24 rpi2 kernel: [189793.107639] [<8008bea0>] (tick_sched_timer) from [<8007bb28>] (__run_hrtimer+0x84/0x1e4)
Jan 7 19:17:24 rpi2 kernel: [189793.153182] [<8007bb28>] (__run_hrtimer) from [<8007c4a8>] (hrtimer_interrupt+0x110/0x2b8)
Jan 7 19:17:24 rpi2 kernel: [189793.195320] [<8007c4a8>] (hrtimer_interrupt) from [<8043c9dc>] (arch_timer_handler_phys+0x38/0x40)
Jan 7 19:17:24 rpi2 kernel: [189793.237031] [<8043c9dc>] (arch_timer_handler_phys) from [<8006f614>] (handle_percpu_devid_irq+0x7c/0x114)
Jan 7 19:17:24 rpi2 kernel: [189793.283054] [<8006f614>] (handle_percpu_devid_irq) from [<8006b490>] (__handle_domain_irq+0x84/0xec)
Jan 7 19:17:24 rpi2 kernel: [189793.323884] [<8006b490>] (__handle_domain_irq) from [<8000933c>] (asm_do_IRQ+0x2c/0x30)
Jan 7 19:17:24 rpi2 kernel: [189793.368790] [<8000933c>] (asm_do_IRQ) from [<80558334>] (__irq_svc+0x34/0x12c)
Jan 7 19:17:24 rpi2 kernel: [189793.410590] Exception stack(0xab475cd8 to 0xab475d20)
Jan 7 19:17:24 rpi2 kernel: [189793.453023] 5cc0: a8ae2064 00000000
Jan 7 19:17:24 rpi2 kernel: [189793.498605] 5ce0: 00000000 0000000b a8ae1e40 00000000 a8ae1f80 9c862220 ad9e7820 00000000
Jan 7 19:17:24 rpi2 kernel: [189793.543993] 5d00: 00000000 ab475d2c ab475d30 ab475d20 80515478 805579f0 20000113 ffffffff
Jan 7 19:17:24 rpi2 kernel: [189793.589359] [<80558334>] (__irq_svc) from [<805579f0>] (_raw_spin_lock+0x40/0x54)
Jan 7 19:17:24 rpi2 kernel: [189793.630553] [<805579f0>] (_raw_spin_lock) from [<80515478>] (unix_release_sock+0x5c/0x298)
Jan 7 19:17:24 rpi2 kernel: [189793.676605] [<80515478>] (unix_release_sock) from [<805156e0>] (unix_release+0x2c/0x3c)
Jan 7 19:17:24 rpi2 kernel: [189793.722388] [<805156e0>] (unix_release) from [<8045e818>] (sock_release+0x30/0xc8)
Jan 7 19:17:24 rpi2 kernel: [189793.767857] [<8045e818>] (sock_release) from [<8045e8cc>] (sock_close+0x1c/0x24)
Jan 7 19:17:24 rpi2 kernel: [189793.811658] [<8045e8cc>] (sock_close) from [<80143188>] (__fput+0x98/0x1dc)
Jan 7 19:17:24 rpi2 kernel: [189793.851195] [<80143188>] (__fput) from [<80143344>] (____fput+0x18/0x1c)
Jan 7 19:17:24 rpi2 kernel: [189793.894696] [<80143344>] (____fput) from [<80040d20>] (task_work_run+0xc0/0xf0)
Jan 7 19:17:24 rpi2 kernel: [189793.934527] [<80040d20>] (task_work_run) from [<80028d0c>] (do_exit+0x334/0xa48)
Jan 7 19:17:24 rpi2 kernel: [189793.975160] [<80028d0c>] (do_exit) from [<800294b8>] (do_group_exit+0x4c/0xe4)
Jan 7 19:17:24 rpi2 kernel: [189794.019535] [<800294b8>] (do_group_exit) from [<80033f6c>] (get_signal+0x1ac/0x6c0)
Jan 7 19:17:24 rpi2 kernel: [189794.059029] [<80033f6c>] (get_signal) from [<80012f1c>] (do_signal+0x98/0x3a0)
Jan 7 19:17:24 rpi2 kernel: [189794.102868] [<80012f1c>] (do_signal) from [<8001340c>] (do_work_pending+0xb8/0xc8)
Jan 7 19:17:24 rpi2 kernel: [189794.143368] [<8001340c>] (do_work_pending) from [<8000f7e4>] (work_pending+0xc/0x20)
Jan 7 19:18:27 rpi2 kernel: [189855.217763] INFO: rcu_sched self-detected stall on CPU
Jan 7 19:18:27 rpi2 kernel: [189855.227769] INFO: rcu_sched detected stalls on CPUs/tasks:
Jan 7 19:18:27 rpi2 kernel: [189855.227782] 2: (8205 ticks this GP) idle=42d/140000000000001/0 softirq=2666389/2666389 fqs=8255
Jan 7 19:18:27 rpi2 kernel: [189855.227791] (detected by 0, t=8407 jiffies, g=5167501, c=5167500, q=6739)
Jan 7 19:18:27 rpi2 kernel: [189855.227794] Task dump for CPU 2:
Jan 7 19:18:27 rpi2 kernel: [189855.227802] systemd-journal R running 0 112 1 0x00000006
Jan 7 19:18:27 rpi2 kernel: [189855.227831] [<80553e00>] (__schedule) from [<80033f6c>] (get_signal+0x1ac/0x6c0)
Jan 7 19:18:27 rpi2 kernel: [189855.227844] [<80033f6c>] (get_signal) from [<80012f1c>] (do_signal+0x98/0x3a0)
Jan 7 19:18:27 rpi2 kernel: [189855.227856] [<80012f1c>] (do_signal) from [<8001340c>] (do_work_pending+0xb8/0xc8)
Jan 7 19:18:27 rpi2 kernel: [189855.227867] [<8001340c>] (do_work_pending) from [<8000f7e4>] (work_pending+0xc/0x20)
Jan 7 19:18:27 rpi2 kernel: [189855.637529] 2: (8205 ticks this GP) idle=42d/140000000000001/0 softirq=2666389/2666389 fqs=8297
Jan 7 19:18:27 rpi2 kernel: [189855.677988] (t=8452 jiffies g=5167501 c=5167500 q=6774)
Jan 7 19:18:27 rpi2 kernel: [189855.719855] Task dump for CPU 2:
Jan 7 19:18:27 rpi2 kernel: [189855.758314] systemd-journal R running 0 112 1 0x00000006
Jan 7 19:18:27 rpi2 kernel: [189855.799585] [<800180c0>] (unwind_backtrace) from [<80013b88>] (show_stack+0x20/0x24)
Jan 7 19:18:27 rpi2 kernel: [189855.842265] [<80013b88>] (show_stack) from [<8004e2d8>] (sched_show_task+0xa4/0x100)
Jan 7 19:18:27 rpi2 kernel: [189855.880488] [<8004e2d8>] (sched_show_task) from [<80051114>] (dump_cpu_task+0x3c/0x4c)
Jan 7 19:18:27 rpi2 kernel: [189855.923453] [<80051114>] (dump_cpu_task) from [<80072cf8>] (rcu_dump_cpu_stacks+0xa0/0xe4)
Jan 7 19:18:27 rpi2 kernel: [189855.961942] [<80072cf8>] (rcu_dump_cpu_stacks) from [<800764b8>] (rcu_check_callbacks+0x4e8/0x8a4)
Jan 7 19:18:27 rpi2 kernel: [189856.006030] [<800764b8>] (rcu_check_callbacks) from [<8007aff0>] (update_process_times+0x48/0x74)
Jan 7 19:18:27 rpi2 kernel: [189856.051005] [<8007aff0>] (update_process_times) from [<8008be40>] (tick_sched_handle+0x58/0x64)
Jan 7 19:18:27 rpi2 kernel: [189856.096190] [<8008be40>] (tick_sched_handle) from [<8008bea0>] (tick_sched_timer+0x54/0x98)
Jan 7 19:18:27 rpi2 kernel: [189856.141081] [<8008bea0>] (tick_sched_timer) from [<8007bb28>] (__run_hrtimer+0x84/0x1e4)
Jan 7 19:18:27 rpi2 kernel: [189856.185676] [<8007bb28>] (__run_hrtimer) from [<8007c4a8>] (hrtimer_interrupt+0x110/0x2b8)
Jan 7 19:18:27 rpi2 kernel: [189856.230581] [<8007c4a8>] (hrtimer_interrupt) from [<8043c9dc>] (arch_timer_handler_phys+0x38/0x40)
Jan 7 19:18:27 rpi2 kernel: [189856.276377] [<8043c9dc>] (arch_timer_handler_phys) from [<8006f614>] (handle_percpu_devid_irq+0x7c/0x114)
Jan 7 19:18:27 rpi2 kernel: [189856.318159] [<8006f614>] (handle_percpu_devid_irq) from [<8006b490>] (__handle_domain_irq+0x84/0xec)
Jan 7 19:18:27 rpi2 kernel: [189856.359488] [<8006b490>] (__handle_domain_irq) from [<8000933c>] (asm_do_IRQ+0x2c/0x30)
Jan 7 19:18:27 rpi2 kernel: [189856.399950] [<8000933c>] (asm_do_IRQ) from [<80558334>] (__irq_svc+0x34/0x12c)
Jan 7 19:18:27 rpi2 kernel: [189856.439609] Exception stack(0xab475cd8 to 0xab475d20)
Jan 7 19:18:27 rpi2 kernel: [189856.481810] 5cc0: a8ae2064 00000000
Jan 7 19:18:27 rpi2 kernel: [189856.527155] 5ce0: 00000000 0000000b a8ae1e40 00000000 a8ae1f80 9c862220 ad9e7820 00000000
Jan 7 19:18:27 rpi2 kernel: [189856.572365] 5d00: 00000000 ab475d2c ab475d30 ab475d20 80515478 805579f0 20000113 ffffffff
Jan 7 19:18:27 rpi2 kernel: [189856.617480] [<80558334>] (__irq_svc) from [<805579f0>] (_raw_spin_lock+0x40/0x54)
Jan 7 19:18:27 rpi2 kernel: [189856.657390] [<805579f0>] (_raw_spin_lock) from [<80515478>] (unix_release_sock+0x5c/0x298)
Jan 7 19:18:27 rpi2 kernel: [189856.702653] [<80515478>] (unix_release_sock) from [<805156e0>] (unix_release+0x2c/0x3c)
Jan 7 19:18:27 rpi2 kernel: [189856.747597] [<805156e0>] (unix_release) from [<8045e818>] (sock_release+0x30/0xc8)
Jan 7 19:18:27 rpi2 kernel: [189856.792044] [<8045e818>] (sock_release) from [<8045e8cc>] (sock_close+0x1c/0x24)
Jan 7 19:18:27 rpi2 kernel: [189856.835239] [<8045e8cc>] (sock_close) from [<80143188>] (__fput+0x98/0x1dc)
Jan 7 19:18:27 rpi2 kernel: [189856.878577] [<80143188>] (__fput) from [<80143344>] (____fput+0x18/0x1c)
Jan 7 19:18:27 rpi2 kernel: [189856.921365] [<80143344>] (____fput) from [<80040d20>] (task_work_run+0xc0/0xf0)
Jan 7 19:18:27 rpi2 kernel: [189856.960160] [<80040d20>] (task_work_run) from [<80028d0c>] (do_exit+0x334/0xa48)
Jan 7 19:18:27 rpi2 kernel: [189857.003293] [<80028d0c>] (do_exit) from [<800294b8>] (do_group_exit+0x4c/0xe4)
Jan 7 19:18:27 rpi2 kernel: [189857.041689] [<800294b8>] (do_group_exit) from [<80033f6c>] (get_signal+0x1ac/0x6c0)
Jan 7 19:18:27 rpi2 kernel: [189857.080488] [<80033f6c>] (get_signal) from [<80012f1c>] (do_signal+0x98/0x3a0)
Jan 7 19:18:27 rpi2 kernel: [189857.123353] [<80012f1c>] (do_signal) from [<8001340c>] (do_work_pending+0xb8/0xc8)
Jan 7 19:18:27 rpi2 kernel: [189857.166644] [<8001340c>] (do_work_pending) from [<8000f7e4>] (work_pending+0xc/0x20)
Jan 7 19:19:30 rpi2 kernel: [189918.267759] INFO: rcu_sched self-detected stall on CPU
Jan 7 19:19:30 rpi2 kernel: [189918.277760] INFO: rcu_sched detected stalls on CPUs/tasks:
Jan 7 19:19:30 rpi2 kernel: [189918.277774] 2: (14312 ticks this GP) idle=42d/140000000000001/0 softirq=2666389/2666389 fqs=14412
Jan 7 19:19:30 rpi2 kernel: [189918.277782] (detected by 3, t=14712 jiffies, g=5167501, c=5167500, q=10736)
Jan 7 19:19:30 rpi2 kernel: [189918.277785] Task dump for CPU 2:
Jan 7 19:19:30 rpi2 kernel: [189918.277793] systemd-journal R running 0 112 1 0x00000006
Jan 7 19:19:30 rpi2 kernel: [189918.277822] [<80553e00>] (__schedule) from [<80033f6c>] (get_signal+0x1ac/0x6c0)
Jan 7 19:19:30 rpi2 kernel: [189918.277837] [<80033f6c>] (get_signal) from [<80012f1c>] (do_signal+0x98/0x3a0)
Jan 7 19:19:30 rpi2 kernel: [189918.277850] [<80012f1c>] (do_signal) from [<8001340c>] (do_work_pending+0xb8/0xc8)
Jan 7 19:19:30 rpi2 kernel: [189918.277862] [<8001340c>] (do_work_pending) from [<8000f7e4>] (work_pending+0xc/0x20)
Jan 7 19:19:30 rpi2 kernel: [189918.665859] 2: (14312 ticks this GP) idle=42d/140000000000001/0 softirq=2666389/2666389 fqs=14452
Jan 7 19:19:30 rpi2 kernel: [189918.709029] (t=14755 jiffies g=5167501 c=5167500 q=10750)
Jan 7 19:19:30 rpi2 kernel: [189918.746268] Task dump for CPU 2:
Jan 7 19:19:30 rpi2 kernel: [189918.779830] systemd-journal R running 0 112 1 0x00000006
Jan 7 19:19:30 rpi2 kernel: [189918.820313] [<800180c0>] (unwind_backtrace) from [<80013b88>] (show_stack+0x20/0x24)
Jan 7 19:19:30 rpi2 kernel: [189918.863080] [<80013b88>] (show_stack) from [<8004e2d8>] (sched_show_task+0xa4/0x100)
Jan 7 19:19:30 rpi2 kernel: [189918.905955] [<8004e2d8>] (sched_show_task) from [<80051114>] (dump_cpu_task+0x3c/0x4c)
Jan 7 19:19:30 rpi2 kernel: [189918.944527] [<80051114>] (dump_cpu_task) from [<80072cf8>] (rcu_dump_cpu_stacks+0xa0/0xe4)
Jan 7 19:19:30 rpi2 kernel: [189918.988098] [<80072cf8>] (rcu_dump_cpu_stacks) from [<800764b8>] (rcu_check_callbacks+0x4e8/0x8a4)
Jan 7 19:19:30 rpi2 kernel: [189919.032377] [<800764b8>] (rcu_check_callbacks) from [<8007aff0>] (update_process_times+0x48/0x74)
Jan 7 19:19:30 rpi2 kernel: [189919.072971] [<8007aff0>] (update_process_times) from [<8008be40>] (tick_sched_handle+0x58/0x64)
Jan 7 19:19:30 rpi2 kernel: [189919.112679] [<8008be40>] (tick_sched_handle) from [<8008bea0>] (tick_sched_timer+0x54/0x98)
Jan 7 19:19:30 rpi2 kernel: [189919.154631] [<8008bea0>] (tick_sched_timer) from [<8007bb28>] (__run_hrtimer+0x84/0x1e4)
Jan 7 19:19:30 rpi2 kernel: [189919.198459] [<8007bb28>] (__run_hrtimer) from [<8007c4a8>] (hrtimer_interrupt+0x110/0x2b8)
Jan 7 19:19:30 rpi2 kernel: [189919.242605] [<8007c4a8>] (hrtimer_interrupt) from [<8043c9dc>] (arch_timer_handler_phys+0x38/0x40)
Jan 7 19:19:30 rpi2 kernel: [189919.287683] [<8043c9dc>] (arch_timer_handler_phys) from [<8006f614>] (handle_percpu_devid_irq+0x7c/0x114)
Jan 7 19:19:30 rpi2 kernel: [189919.333345] [<8006f614>] (handle_percpu_devid_irq) from [<8006b490>] (__handle_domain_irq+0x84/0xec)
Jan 7 19:19:30 rpi2 kernel: [189919.378590] [<8006b490>] (__handle_domain_irq) from [<8000933c>] (asm_do_IRQ+0x2c/0x30)
Jan 7 19:19:30 rpi2 kernel: [189919.421628] [<8000933c>] (asm_do_IRQ) from [<80558334>] (__irq_svc+0x34/0x12c)
Jan 7 19:19:30 rpi2 kernel: [189919.465369] Exception stack(0xab475cd8 to 0xab475d20)
Jan 7 19:19:30 rpi2 kernel: [189919.501957] 5cc0: a8ae2064 00000000
Jan 7 19:19:30 rpi2 kernel: [189919.542622] 5ce0: 00000000 0000000b a8ae1e40 00000000 a8ae1f80 9c862220 ad9e7820 00000000
Jan 7 19:19:30 rpi2 kernel: [189919.584667] 5d00: 00000000 ab475d2c ab475d30 ab475d20 80515478 805579f0 20000113 ffffffff
Jan 7 19:19:30 rpi2 kernel: [189919.625302] [<80558334>] (__irq_svc) from [<805579f0>] (_raw_spin_lock+0x40/0x54)
Jan 7 19:19:30 rpi2 kernel: [189919.664182] [<805579f0>] (_raw_spin_lock) from [<80515478>] (unix_release_sock+0x5c/0x298)
Jan 7 19:19:30 rpi2 kernel: [189919.703927] [<80515478>] (unix_release_sock) from [<805156e0>] (unix_release+0x2c/0x3c)
Jan 7 19:19:30 rpi2 kernel: [189919.748286] [<805156e0>] (unix_release) from [<8045e818>] (sock_release+0x30/0xc8)
Jan 7 19:19:30 rpi2 kernel: [189919.787165] [<8045e818>] (sock_release) from [<8045e8cc>] (sock_close+0x1c/0x24)
Jan 7 19:19:30 rpi2 kernel: [189919.825623] [<8045e8cc>] (sock_close) from [<80143188>] (__fput+0x98/0x1dc)
Jan 7 19:19:30 rpi2 kernel: [189919.865936] [<80143188>] (__fput) from [<80143344>] (____fput+0x18/0x1c)
Jan 7 19:19:30 rpi2 kernel: [189919.908222] [<80143344>] (____fput) from [<80040d20>] (task_work_run+0xc0/0xf0)
Jan 7 19:19:30 rpi2 kernel: [189919.950994] [<80040d20>] (task_work_run) from [<80028d0c>] (do_exit+0x334/0xa48)
Jan 7 19:19:30 rpi2 kernel: [189919.990025] [<80028d0c>] (do_exit) from [<800294b8>] (do_group_exit+0x4c/0xe4)
Jan 7 19:19:30 rpi2 kernel: [189920.032467] [<800294b8>] (do_group_exit) from [<80033f6c>] (get_signal+0x1ac/0x6c0)
Jan 7 19:19:30 rpi2 kernel: [189920.075248] [<80033f6c>] (get_signal) from [<80012f1c>] (do_signal+0x98/0x3a0)
Jan 7 19:19:30 rpi2 kernel: [189920.113770] [<80012f1c>] (do_signal) from [<8001340c>] (do_work_pending+0xb8/0xc8)
Jan 7 19:19:30 rpi2 kernel: [189920.152756] [<8001340c>] (do_work_pending) from [<8000f7e4>] (work_pending+0xc/0x20)
Googling didn't quite lead me to an answer. Admittedly it might be due to insufficient power supply. Nonethelesss I wanted to create a report. Feel free to close if this looks suspiciously related to a weak power supply.