====================================== | [ 9.705032][ T209] softirqs last disabled at (27051): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.705035][ T209] Preemption disabled at: | [ 9.705035][ T209] 0x0 | [ 9.705045][ T209] Tainted: [W]=WARN [ 9.705046][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.705048][ T209] Call Trace: [ 9.705049][ T209] [ 9.705051][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.705057][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 9.705061][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.705065][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.705070][ T209] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.705071][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.705078][ T209] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.705081][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.705085][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 9.705087][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.705088][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.705091][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.705097][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.705104][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.705107][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.705108][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.705112][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.705116][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.705118][ T209] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.705121][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.705123][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.705127][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.705131][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.705133][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.705138][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.705141][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.705143][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.705144][ T209] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.705148][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.705150][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.705152][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 9.705155][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.705158][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.705162][ T209] _printk (kernel/printk/printk.c:2504) [ 9.705165][ T209] ? snapshot_read.cold (user.c:?) [ 9.705168][ T209] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.705171][ T209] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.705174][ T209] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.705177][ T209] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.705181][ T209] ? exit_notify (kernel/exit.c:780) [ 9.705182][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.705185][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.705188][ T209] do_group_exit (kernel/exit.c:1151) [ 9.705191][ T209] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.705193][ T209] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.705195][ T209] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.705199][ T209] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.705202][ T209] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.705204][ T209] RIP: 0033:0x7fcb357611b8 [ 9.705206][ T209] Code: Unable to access opcode bytes at 0x7fcb3576118e. Code starting with the faulting instruction =========================================== [ 9.705207][ T209] RSP: 002b:00007fff1f4361d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.705209][ T209] RAX: ffffffffffffffda RBX: 00007fcb35891f88 RCX: 00007fcb357611b8 [ 9.705210][ T209] RDX: 00007fcb354abfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.705211][ T209] RBP: 00007fff1f436230 R08: 0000000000000000 R09: 0000000000000050 [ 9.705212][ T209] R10: 00007fff1f435ff0 R11: 0000000000000246 R12: 0000000000000001 [ 9.705213][ T209] R13: 0000000000000000 R14: 00007fcb35890680 R15: 00007fcb35891fa0 | [ 10.758251][ T248] softirqs last disabled at (26945): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.758254][ T248] Preemption disabled at: | [ 10.758254][ T248] 0x0 | [ 10.758264][ T248] Tainted: [W]=WARN [ 10.758265][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.758267][ T248] Call Trace: [ 10.758268][ T248] [ 10.758270][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.758276][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 10.758281][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.758285][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.758289][ T248] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.758291][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.758298][ T248] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.758300][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.758304][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 10.758306][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.758308][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.758311][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.758317][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.758324][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.758326][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.758328][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.758332][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.758336][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.758338][ T248] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.758341][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.758343][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.758347][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.758351][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.758353][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.758358][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.758361][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.758363][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.758364][ T248] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.758368][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.758370][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.758372][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 10.758375][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.758378][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.758382][ T248] _printk (kernel/printk/printk.c:2504) [ 10.758386][ T248] ? snapshot_read.cold (user.c:?) [ 10.758389][ T248] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.758391][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.758395][ T248] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.758398][ T248] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.758401][ T248] ? exit_notify (kernel/exit.c:780) [ 10.758402][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.758405][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.758409][ T248] do_group_exit (kernel/exit.c:1151) [ 10.758411][ T248] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.758413][ T248] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.758416][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.758420][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.758423][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.758425][ T248] RIP: 0033:0x7f4c38cff1b8 [ 10.758427][ T248] Code: Unable to access opcode bytes at 0x7f4c38cff18e. Code starting with the faulting instruction =========================================== [ 10.758428][ T248] RSP: 002b:00007ffc5f8a4ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.758431][ T248] RAX: ffffffffffffffda RBX: 00007f4c38e2ff88 RCX: 00007f4c38cff1b8 [ 10.758432][ T248] RDX: 00007f4c38a49fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.758433][ T248] RBP: 00007ffc5f8a5050 R08: 0000000000000000 R09: 0000000000000050 [ 10.758434][ T248] R10: 00007ffc5f8a4e10 R11: 0000000000000246 R12: 0000000000000001 [ 10.758434][ T248] R13: 0000000000000000 R14: 00007f4c38e2e680 R15: 00007f4c38e2ffa0 | [ 11.949933][ T282] softirqs last disabled at (20939): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.949935][ T282] Preemption disabled at: | [ 11.949936][ T282] 0x0 | [ 11.949945][ T282] Tainted: [W]=WARN [ 11.949946][ T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.949948][ T282] Call Trace: [ 11.949949][ T282] [ 11.949951][ T282] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.949957][ T282] __might_resched.cold (kernel/sched/core.c:9234) [ 11.949961][ T282] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.949965][ T282] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.949970][ T282] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.949971][ T282] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.949978][ T282] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.949981][ T282] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.949985][ T282] put_chars (drivers/char/virtio_console.c:1176) [ 11.949987][ T282] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.949988][ T282] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.949992][ T282] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.949997][ T282] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.950005][ T282] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.950007][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950009][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.950013][ T282] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.950017][ T282] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.950019][ T282] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.950022][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950024][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.950027][ T282] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.950032][ T282] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.950033][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.950039][ T282] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.950042][ T282] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.950043][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950045][ T282] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.950049][ T282] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.950050][ T282] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.950053][ T282] vprintk_emit (kernel/printk/printk.c:2479) [ 11.950056][ T282] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.950059][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.950063][ T282] _printk (kernel/printk/printk.c:2504) [ 11.950066][ T282] ? snapshot_read.cold (user.c:?) [ 11.950069][ T282] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.950072][ T282] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.950076][ T282] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.950078][ T282] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.950082][ T282] ? exit_notify (kernel/exit.c:780) [ 11.950083][ T282] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.950086][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950089][ T282] do_group_exit (kernel/exit.c:1151) [ 11.950092][ T282] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.950094][ T282] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.950096][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.950100][ T282] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.950103][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.950105][ T282] RIP: 0033:0x7f8d251b51b8 [ 11.950107][ T282] Code: Unable to access opcode bytes at 0x7f8d251b518e. Code starting with the faulting instruction =========================================== [ 11.950108][ T282] RSP: 002b:00007ffc8fc40738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.950111][ T282] RAX: ffffffffffffffda RBX: 00007f8d252e5f88 RCX: 00007f8d251b51b8 [ 11.950112][ T282] RDX: 00007f8d24efffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.950113][ T282] RBP: 00007ffc8fc40790 R08: 0000000000000000 R09: 0000000000000050 [ 11.950114][ T282] R10: 00007ffc8fc40550 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print