[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] [ 0.000000] Linux version 4.20.0-rc4-next-20181128-00009-g44c557177b8d-dirty (anders@compilator) (gcc version 7.3.1 20180425 [linaro-7.3-2018.05 revision d29120a424ecfbc167ef90065c0eeb7f91977701] (Linaro GCC 7.3-2018.05)) #4 SMP Wed Nov 28 12:09:56 CET 2018 [ 0.000000] Machine model: linux,dummy-virt [ 0.000000] earlycon: pl11 at MMIO 0x0000000009000000 (options '') [ 0.000000] printk: bootconsole [pl11] enabled [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 16 MiB at 0x00000000bf000000 [ 0.000000] kmemleak: Kernel memory leak detector disabled [ 0.000000] NUMA: No NUMA configuration found [ 0.000000] NUMA: Faking a node at [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] NUMA: NODE_DATA [mem 0xbebf15c0-0xbebf2fff] [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv0.2 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: Trusted OS migration not required [ 0.000000] random: get_random_bytes called from start_kernel+0xe0/0x6ec with crng_init=0 [ 0.000000] percpu: Embedded 490 pages/cpu @(____ptrval____) s1969240 r8192 d29608 u2007040 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: enabling workaround for ARM erratum 843419 [ 0.000000] CPU features: enabling workaround for ARM erratum 845719 [ 0.000000] CPU features: detected: Kernel page table isolation (KPTI) [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 516096 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: root=/dev/root rootfstype=9p rootflags=trans=virtio console=ttyAMA0,38400n8 earlycon=pl011,0x9000000 initcall_debug [ 0.000000] Memory: 994104K/2097152K available (14964K kernel code, 3774K rwdata, 4852K rodata, 6144K init, 23374K bss, 93464K reserved, 16384K cma-reserved) [ 0.000000] random: get_random_u64 called from kmem_cache_open+0x38/0x1d8 with crng_init=0 [ 0.000000] random: get_random_u64 called from cache_random_seq_create+0x64/0x110 with crng_init=0 [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] ftrace: allocating 41986 entries in 165 pages [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU dyntick-idle grace-period acceleration is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=1. [ 0.000000] rcu: RCU callback double-/use-after-free debug enabled. [ 0.000000] rcu: RCU debug extended QS entry/exit. [ 0.000000] Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GICv2m: range[mem 0x08020000-0x08020fff], SPI[80:143] [ 0.000000] arch_timer: cp15 timer(s) running at 62.50MHz (virt). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns [ 0.000249] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns [ 0.017481] Console: colour dummy device 80x25 [ 0.023373] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.024446] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.024933] ... MAX_LOCK_DEPTH: 48 [ 0.025411] ... MAX_LOCKDEP_KEYS: 8191 [ 0.025896] ... CLASSHASH_SIZE: 4096 [ 0.026436] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.026923] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.027418] ... CHAINHASH_SIZE: 32768 [ 0.028368] memory used by lock dependency info: 7775 kB [ 0.028936] per task-struct memory footprint: 2688 bytes [ 0.029491] ------------------------ [ 0.029980] | Locking API testsuite: [ 0.030440] ---------------------------------------------------------------------------- [ 0.031033] | spin |wlock |rlock |mutex | wsem | rsem | [ 0.031604] -------------------------------------------------------------------------- [ 0.032908] A-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.045590] A-B-B-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.059051] A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.073735] A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.088473] A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.105037] A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.121244] A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.137769] double unlock: ok | ok | ok | ok | ok | ok | ok | [ 0.149174] initialize held: ok | ok | ok | ok | ok | ok | ok | [ 0.160755] -------------------------------------------------------------------------- [ 0.161525] recursive read-lock: | ok | | ok | [ 0.166390] recursive read-lock #2: | ok | | ok | [ 0.170482] mixed read-write-lock: | ok | | ok | [ 0.174708] mixed write-read-lock: | ok | | ok | [ 0.178902] mixed read-lock/lock-write ABBA: |FAILED| | ok | [ 0.183034] mixed read-lock/lock-read ABBA: | ok | | ok | [ 0.187466] mixed write-lock/lock-write ABBA: | ok | | ok | [ 0.191977] -------------------------------------------------------------------------- [ 0.193002] hard-irqs-on + irq-safe-A/12: ok | ok | ok | [ 0.198781] soft-irqs-on + irq-safe-A/12: ok | ok | ok | [ 0.204593] hard-irqs-on + irq-safe-A/21: ok | ok | ok | [ 0.210642] soft-irqs-on + irq-safe-A/21: ok | ok | ok | [ 0.216477] sirq-safe-A => hirqs-on/12: ok | ok | ok | [ 0.222586] sirq-safe-A => hirqs-on/21: ok | ok | ok | [ 0.229247] hard-safe-A + irqs-on/12: ok | ok | ok | [ 0.234965] soft-safe-A + irqs-on/12: ok | ok | ok | [ 0.240747] hard-safe-A + irqs-on/21: ok | ok | ok | [ 0.246761] soft-safe-A + irqs-on/21: ok | ok | ok | [ 0.252580] hard-safe-A + unsafe-B #1/123: ok | ok | ok | [ 0.259220] soft-safe-A + unsafe-B #1/123: ok | ok | ok | [ 0.265414] hard-safe-A + unsafe-B #1/132: ok | ok | ok | [ 0.271541] soft-safe-A + unsafe-B #1/132: ok | ok | ok | [ 0.278044] hard-safe-A + unsafe-B #1/213: ok | ok | ok | [ 0.284189] soft-safe-A + unsafe-B #1/213: ok | ok | ok | [ 0.290848] hard-safe-A + unsafe-B #1/231: ok | ok | ok | [ 0.296890] soft-safe-A + unsafe-B #1/231: ok | ok | ok | [ 0.303036] hard-safe-A + unsafe-B #1/312: ok | ok | ok | [ 0.309130] soft-safe-A + unsafe-B #1/312: ok | ok | ok | [ 0.314930] hard-safe-A + unsafe-B #1/321: ok | ok | ok | [ 0.320976] soft-safe-A + unsafe-B #1/321: ok | ok | ok | [ 0.327477] hard-safe-A + unsafe-B #2/123: ok | ok | ok | [ 0.333610] soft-safe-A + unsafe-B #2/123: ok | ok | ok | [ 0.340338] hard-safe-A + unsafe-B #2/132: ok | ok | ok | [ 0.346373] soft-safe-A + unsafe-B #2/132: ok | ok | ok | [ 0.353157] hard-safe-A + unsafe-B #2/213: ok | ok | ok | [ 0.359109] soft-safe-A + unsafe-B #2/213: ok | ok | ok | [ 0.365319] hard-safe-A + unsafe-B #2/231: ok | ok | ok | [ 0.371718] soft-safe-A + unsafe-B #2/231: ok | ok | ok | [ 0.377859] hard-safe-A + unsafe-B #2/312: ok | ok | ok | [ 0.384435] soft-safe-A + unsafe-B #2/312: ok | ok | ok | [ 0.390515] hard-safe-A + unsafe-B #2/321: ok | ok | ok | [ 0.396495] soft-safe-A + unsafe-B #2/321: ok | ok | ok | [ 0.402972] hard-irq lock-inversion/123: ok | ok | ok | [ 0.409110] soft-irq lock-inversion/123: ok | ok | ok | [ 0.415845] hard-irq lock-inversion/132: ok | ok | ok | [ 0.421867] soft-irq lock-inversion/132: ok | ok | ok | [ 0.428010] hard-irq lock-inversion/213: ok | ok | ok | [ 0.434503] soft-irq lock-inversion/213: ok | ok | ok | [ 0.440810] hard-irq lock-inversion/231: ok | ok | ok | [ 0.447338] soft-irq lock-inversion/231: ok | ok | ok | [ 0.453622] hard-irq lock-inversion/312: ok | ok | ok | [ 0.459668] soft-irq lock-inversion/312: ok | ok | ok | [ 0.466555] hard-irq lock-inversion/321: ok | ok | ok | [ 0.472587] soft-irq lock-inversion/321: ok | ok | ok | [ 0.479178] hard-irq read-recursion/123: ok | [ 0.481518] soft-irq read-recursion/123: ok | [ 0.484444] hard-irq read-recursion/132: ok | [ 0.486759] soft-irq read-recursion/132: ok | [ 0.489572] hard-irq read-recursion/213: ok | [ 0.491941] soft-irq read-recursion/213: ok | [ 0.494846] hard-irq read-recursion/231: ok | [ 0.497219] soft-irq read-recursion/231: ok | [ 0.500026] hard-irq read-recursion/312: ok | [ 0.502386] soft-irq read-recursion/312: ok | [ 0.505270] hard-irq read-recursion/321: ok | [ 0.507571] soft-irq read-recursion/321: ok | [ 0.510511] -------------------------------------------------------------------------- [ 0.511107] | Wound/wait tests | [ 0.511556] --------------------- [ 0.512055] ww api failures: ok | ok | ok | [ 0.520135] ww contexts mixing: ok | ok | [ 0.524537] finishing ww context: ok | ok | ok | ok | [ 0.532516] locking mismatches: ok | ok | ok | [ 0.538182] EDEADLK handling: ok | ok | ok | ok | ok | ok | ok | ok | ok | ok | [ 0.558546] spinlock nest unlocked: ok | [ 0.561109] ----------------------------------------------------- [ 0.561700] |block | try |context| [ 0.562399] ----------------------------------------------------- [ 0.563000] context: ok | ok | ok | [ 0.569679] try: ok | ok | ok | [ 0.575286] block: ok | ok | ok | [ 0.580883] spinlock: ok | ok | ok | [ 0.587680] ------------------------------------------------------- [ 0.588279] Good, all 261 testcases passed! | [ 0.588865] --------------------------------- [ 0.697752] ODEBUG: selftest passed [ 0.703794] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=250000) [ 0.704862] pid_max: default: 32768 minimum: 301 [ 0.719950] LSM: Security Framework initializing [ 0.721380] Yama: becoming mindful. [ 0.724289] LoadPin: ready to pin (currently enforcing) [ 0.725841] SELinux: Initializing. [ 0.737291] *** VALIDATE SELinux *** [ 0.738760] AppArmor: AppArmor disabled by boot time parameter [ 0.792424] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.813500] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.817962] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.820120] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.871425] *** VALIDATE proc *** [ 0.898591] *** VALIDATE cgroup1 *** [ 0.899188] *** VALIDATE cgroup2 *** [ 0.992550] ASID allocator initialised with 32768 entries [ 1.007691] rcu: Hierarchical SRCU implementation. [ 1.128341] EFI services will not be available. [ 1.167290] smp: Bringing up secondary CPUs ... [ 1.168506] smp: Brought up 1 node, 1 CPU [ 1.169135] SMP: Total of 1 processors activated. [ 1.169888] CPU features: detected: 32-bit EL0 Support [ 1.170642] CPU features: detected: CRC32 instructions [ 1.520548] CPU features: emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching [ 1.522253] CPU: All CPU(s) started at EL1 [ 1.523508] alternatives: patching kernel code [ 1.525475] _warn_unseeded_randomness: 98 callbacks suppressed [ 1.525887] random: get_random_u64 called from compute_layout+0x138/0x1b8 with crng_init=0 [ 1.578705] random: get_random_u64 called from dup_task_struct+0xdc/0x3d0 with crng_init=0 [ 5.690841] node 0 initialised, 248300 pages in 4ms [ 5.702031] pgdatinit0 (15) used greatest stack depth: 13280 bytes left [ 5.716456] random: get_random_u64 called from kmem_cache_open+0x38/0x1d8 with crng_init=0 [ 5.821334] devtmpfs: initialized [ 6.125685] gcov: version magic: 0x4137332a [ 6.149668] workqueue: round-robin CPU selection forced, expect performance impact [ 6.160880] Registered cp15_barrier emulation handler [ 6.162387] Registered setend emulation handler [ 16.012780] DMA-API: preallocated 65536 debug entries [ 16.013350] DMA-API: debugging enabled by kernel config [ 16.015641] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 16.019437] futex hash table entries: 256 (order: 3, 32768 bytes) [ 16.026827] Running postponed tracer tests: [ 16.028935] Testing tracer function: [ 16.062264] ftrace_replace_code: 1 [ 26.792095] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 27.052883] ftrace_replace_code: 1 [ 36.301092] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 36.305426] PASSED [ 36.305980] Testing dynamic ftrace: [ 38.388593] ftrace_replace_code: 1 [ 38.482724] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 38.726857] PASSED [ 38.727655] Testing dynamic ftrace ops #1: [ 47.036423] ftrace_replace_code: 1 [ 47.134710] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 47.139275] (1 0 1 0 0) [ 47.139487] (1 1 2 0 0) [ 47.150689] ftrace_replace_code: 1 [ 61.084831] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 61.088682] (2 1 3 0 1070283) [ 61.088978] (2 2 4 0 1070304) [ 61.100334] ftrace_replace_code: 1 [ 71.555408] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 71.571130] ftrace_replace_code: 1 [ 71.662168] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 71.666573] ftrace_replace_code: 1 [ 71.758019] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 71.762873] PASSED [ 71.763328] Testing dynamic ftrace ops #2: [ 80.059514] ftrace_replace_code: 1 [ 80.162336] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 80.166494] ftrace_replace_code: 1 [ 80.258810] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 80.276591] ftrace_replace_code: 1 [ 93.341345] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 93.344780] (1 0 1 1040139 0) [ 93.345034] (1 1 2 1040160 0) [ 93.359307] (2 1 3 1 753) [ 93.360438] (2 2 4 136 888) [ 93.396907] ftrace_replace_code: 1 [ 102.643268] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 102.646039] PASSED [ 102.646581] Testing ftrace recursion: [ 104.728076] ftrace_replace_code: 1 [ 104.820832] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 104.825364] ftrace_replace_code: 1 [ 104.916884] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 104.919337] PASSED [ 104.919834] Testing ftrace recursion safe: [ 106.993035] ftrace_replace_code: 1 [ 107.086527] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 107.090870] ftrace_replace_code: 1 [ 107.182162] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 107.184604] PASSED [ 107.185081] Testing ftrace regs(no arch support): [ 109.262914] ftrace_replace_code: 1 [ 109.355547] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 109.359908] ftrace_replace_code: 1 [ 109.450791] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 109.453381] PASSED [ 109.454352] Testing tracer nop: PASSED [ 109.457333] Testing tracer irqsoff: [ 109.473834] ftrace_replace_code: 1 [ 120.003084] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 120.021930] ftrace_replace_code: 1 [ 129.395519] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 129.398500] PASSED [ 129.400865] Testing tracer wakeup: [ 129.431352] ftrace_replace_code: 1 [ 139.845309] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 139.885571] ftrace_replace_code: 1 [ 140.526619] sched: DL replenish lagged too much [ 149.155223] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 149.182005] PASSED [ 149.184581] Testing tracer wakeup_rt: [ 149.214560] ftrace_replace_code: 1 [ 159.768151] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 159.791634] ftrace_replace_code: 1 [ 169.097584] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 169.108086] PASSED [ 169.109099] Testing tracer wakeup_dl: [ 169.139138] ftrace_replace_code: 1 [ 179.624682] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 179.664036] ftrace_replace_code: 1 [ 188.992828] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 189.002390] PASSED [ 189.005628] Testing tracer function_graph: [ 189.034235] ftrace_replace_code: 1 [ 199.422147] ../kernel/trace/ftrace.c:2446, loop_counter: 41986 [ 238.982615] watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [swapper/0:1] [ 239.003473] Modules linked in: [ 239.021558] irq event stamp: 1878288 [ 239.041413] hardirqs last enabled at (1878287): [] _raw_spin_unlock_irq+0x38/0x78 [ 239.069180] hardirqs last disabled at (1878288): [] el1_irq+0xa8/0x1c0 [ 239.095977] softirqs last enabled at (1871938): [] __do_softirq+0x9a8/0x9f0 [ 239.123023] softirqs last disabled at (1871839): [] irq_exit+0x128/0x1b8 [ 239.147552] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G T 4.20.0-rc4-next-20181128-00009-g44c557177b8d-dirty #4 [ 239.174760] Hardware name: linux,dummy-virt (DT) [ 239.192747] pstate: 20400005 (nzCv daif +PAN -UAO) [ 239.214599] pc : _raw_spin_unlock_irq+0x3c/0x78 [ 239.236122] lr : _raw_spin_unlock_irq+0x38/0x78 [ 239.254163] sp : ffffff800814b8e0 [ 239.269750] x29: ffffff800814b8e0 x28: 0000000000000003 [ 239.292830] x27: ffffffc03f558040 x26: ffffff8009c15df8 [ 239.315963] x25: ffffff8009d12fb0 x24: 0000000000000000 [ 239.339290] x23: ffffff8008fc0958 x22: ffffffc03f558040 [ 239.362378] x21: ffffffc03f5dc040 x20: ffffff8008261c40 [ 239.385665] x19: ffffffc07ebdf6c0 x18: 0000000034f4d91d [ 239.408492] x17: 0000000000000000 x16: 0000000000000000 [ 239.431252] x15: ffffff8009c6a580 x14: ffffff800ac4e6a0 [ 239.454346] x13: ffffff800ac4fea0 x12: ffffff800ac4fea0 [ 239.477321] x11: ffffff800ac4ffa8 x10: ffffff800ac4ffa8 [ 239.500433] x9 : 0000000000000078 x8 : 000000000016522e [ 239.523501] x7 : 0000000000000048 x6 : 0000004075191000 [ 239.546409] x5 : ffffff8009cb82b0 x4 : ffffff8009c15bb0 [ 239.569667] x3 : fffffffffffffe80 x2 : ffffff800a6aa530 [ 239.592896] x1 : 000000000000001f x0 : 00000000000de1dc [ 239.616688] Call trace: [ 239.635152] _raw_spin_unlock_irq+0x3c/0x78 [ 239.656025] finish_task_switch+0x160/0x220 [ 239.676920] __schedule+0xa78/0xaf8 [ 239.696438] schedule+0x9c/0xe0 [ 239.715435] schedule_timeout+0x960/0x9c8 [ 239.735981] schedule_timeout_uninterruptible+0x3c/0x48 [ 239.757944] msleep+0x3c/0x58 [ 239.776622] trace_selftest_startup_function_graph+0x1e4/0x3c8 [ 239.799842] run_tracer_selftest+0x234/0x384 [ 239.820580] register_tracer+0x488/0x6a8 [ 239.840847] init_graph_trace+0x148/0x170 [ 239.861161] do_one_initcall+0x324/0x6e8 [ 239.881336] do_initcall_level+0x898/0x970 [ 239.902077] do_initcalls+0x64/0xa8 [ 239.921578] do_basic_setup+0x44/0x70 [ 239.941408] kernel_init_freeable+0x178/0x2bc [ 239.962143] kernel_init+0x28/0x140 [ 239.981747] ret_from_fork+0x10/0x18 [ 239.998890] Kernel panic - not syncing: softlockup: hung tasks [ 240.019450] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G L T 4.20.0-rc4-next-20181128-00009-g44c557177b8d-dirty #4 [ 240.047586] Hardware name: linux,dummy-virt (DT) [ 240.065967] Call trace: [ 240.083822] dump_backtrace+0x0/0x230 [ 240.103497] show_stack+0x28/0x38 [ 240.122872] __dump_stack+0x24/0x2c [ 240.142801] dump_stack+0xc0/0x114 [ 240.162291] panic+0x234/0x4f4 [ 240.181252] watchdog_timer_fn+0x2ec/0x358 [ 240.201884] __run_hrtimer+0x6b0/0x9e0 [ 240.221775] __hrtimer_run_queues+0xf4/0x150 [ 240.242289] hrtimer_run_queues+0x10c/0x130 [ 240.262712] run_local_timers+0x30/0x78 [ 240.283006] update_process_times+0x30/0x68 [ 240.303926] tick_periodic+0x114/0x128 [ 240.323922] tick_handle_periodic+0x3c/0xf8 [ 240.344803] arch_timer_handler_virt+0x44/0x60 [ 240.365767] handle_percpu_devid_irq+0x378/0x768 [ 240.386884] generic_handle_irq+0x40/0x60 [ 240.407269] __handle_domain_irq+0xa8/0xd8 [ 240.427992] gic_handle_irq+0x8c/0xe8 [ 240.447755] el1_irq+0xec/0x1c0 [ 240.466763] _raw_spin_unlock_irq+0x3c/0x78 [ 240.487582] finish_task_switch+0x160/0x220 [ 240.508676] __schedule+0xa78/0xaf8 [ 240.528236] schedule+0x9c/0xe0 [ 240.547423] schedule_timeout+0x960/0x9c8 [ 240.567968] schedule_timeout_uninterruptible+0x3c/0x48 [ 240.589885] msleep+0x3c/0x58 [ 240.608726] trace_selftest_startup_function_graph+0x1e4/0x3c8 [ 240.632319] run_tracer_selftest+0x234/0x384 [ 240.652967] register_tracer+0x488/0x6a8 [ 240.673386] init_graph_trace+0x148/0x170 [ 240.693800] do_one_initcall+0x324/0x6e8 [ 240.714051] do_initcall_level+0x898/0x970 [ 240.734917] do_initcalls+0x64/0xa8 [ 240.754450] do_basic_setup+0x44/0x70 [ 240.774776] kernel_init_freeable+0x178/0x2bc [ 240.795784] kernel_init+0x28/0x140 [ 240.815436] ret_from_fork+0x10/0x18 [ 240.856114] ---[ end Kernel panic - not syncing: softlockup: hung tasks ]---