====================================== | [ 22.676210][ T383] softirqs last disabled at (866605): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 22.676213][ T383] Preemption disabled at: | [ 22.676214][ T383] 0x0 | [ 22.676223][ T383] Tainted: [W]=WARN [ 22.676224][ T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.676226][ T383] Call Trace: [ 22.676228][ T383] [ 22.676229][ T383] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.676236][ T383] __might_resched.cold (kernel/sched/core.c:9234) [ 22.676240][ T383] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.676244][ T383] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.676249][ T383] __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)) [ 22.676251][ T383] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.676257][ T383] ? 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) [ 22.676260][ T383] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.676264][ T383] put_chars (drivers/char/virtio_console.c:1176) [ 22.676266][ T383] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.676268][ T383] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.676271][ T383] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.676276][ T383] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.676284][ T383] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.676286][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.676288][ T383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.676292][ T383] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.676296][ T383] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.676298][ T383] ? 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)) [ 22.676301][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.676302][ T383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.676306][ T383] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.676310][ T383] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.676312][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.676317][ T383] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.676320][ T383] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.676322][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.676323][ T383] ? 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) [ 22.676327][ T383] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.676329][ T383] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.676331][ T383] vprintk_emit (kernel/printk/printk.c:2479) [ 22.676334][ T383] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.676336][ T383] ? 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) [ 22.676339][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.676342][ T383] _printk (kernel/printk/printk.c:2504) [ 22.676349][ T383] ? snapshot_read.cold (user.c:?) [ 22.676352][ T383] ? 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) [ 22.676354][ T383] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.676358][ T383] ? 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) [ 22.676361][ T383] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 22.676364][ T383] ? exit_notify (kernel/exit.c:780) [ 22.676365][ T383] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.676368][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.676371][ T383] do_group_exit (kernel/exit.c:1151) [ 22.676374][ T383] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 22.676376][ T383] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 22.676378][ T383] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.676382][ T383] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.676385][ T383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.676387][ T383] RIP: 0033:0x7fde3102c1b8 [ 22.676389][ T383] Code: Unable to access opcode bytes at 0x7fde3102c18e. Code starting with the faulting instruction =========================================== [ 22.676391][ T383] RSP: 002b:00007ffeeeb82758 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.676393][ T383] RAX: ffffffffffffffda RBX: 00007fde3115cf88 RCX: 00007fde3102c1b8 [ 22.676394][ T383] RDX: 00007fde30f6b408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 22.676395][ T383] RBP: 00007ffeeeb827b0 R08: 0000000000000000 R09: 0000000000000000 [ 22.676396][ T383] R10: 00007ffeeeb825d0 R11: 0000000000000246 R12: 0000000000000001 [ 22.676397][ T383] R13: 0000000000000000 R14: 00007fde3115b680 R15: 00007fde3115cfa0 | [ 26.171934][ T432] softirqs last disabled at (44661): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 26.171936][ T432] Preemption disabled at: | [ 26.171937][ T432] 0x0 | [ 26.171946][ T432] Tainted: [W]=WARN [ 26.171947][ T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.171949][ T432] Call Trace: [ 26.171951][ T432] [ 26.171952][ T432] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.171958][ T432] __might_resched.cold (kernel/sched/core.c:9234) [ 26.171963][ T432] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.171967][ T432] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.171971][ T432] __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)) [ 26.171973][ T432] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.171980][ T432] ? 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) [ 26.171983][ T432] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.171986][ T432] put_chars (drivers/char/virtio_console.c:1176) [ 26.171988][ T432] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.171990][ T432] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.171993][ T432] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.171998][ T432] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.172006][ T432] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.172008][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.172010][ T432] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.172014][ T432] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.172018][ T432] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.172020][ T432] ? 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)) [ 26.172023][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.172024][ T432] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.172028][ T432] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.172032][ T432] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.172034][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.172040][ T432] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.172042][ T432] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.172044][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.172046][ T432] ? 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) [ 26.172049][ T432] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.172051][ T432] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.172053][ T432] vprintk_emit (kernel/printk/printk.c:2479) [ 26.172057][ T432] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.172059][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.172063][ T432] _printk (kernel/printk/printk.c:2504) [ 26.172066][ T432] ? snapshot_read.cold (user.c:?) [ 26.172069][ T432] ? 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) [ 26.172071][ T432] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.172075][ T432] ? 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) [ 26.172078][ T432] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 26.172082][ T432] ? exit_notify (kernel/exit.c:780) [ 26.172083][ T432] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.172086][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.172089][ T432] do_group_exit (kernel/exit.c:1151) [ 26.172092][ T432] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 26.172093][ T432] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 26.172096][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.172100][ T432] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.172103][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.172105][ T432] RIP: 0033:0x7fdccf02f1b8 [ 26.172107][ T432] Code: Unable to access opcode bytes at 0x7fdccf02f18e. Code starting with the faulting instruction =========================================== [ 26.172108][ T432] RSP: 002b:00007fffd3ddc158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.172110][ T432] RAX: ffffffffffffffda RBX: 00007fdccf15ff88 RCX: 00007fdccf02f1b8 [ 26.172111][ T432] RDX: 00007fdcced79fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 26.172112][ T432] RBP: 00007fffd3ddc1b0 R08: 0000000000000000 R09: 0000000000000050 [ 26.172113][ T432] R10: 00007fffd3ddbf70 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print