====================================== | [ 9.741783][ T191] softirqs last disabled at (40253): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.741785][ T191] Preemption disabled at: | [ 9.741786][ T191] 0x0 | [ 9.741796][ T191] Tainted: [W]=WARN [ 9.741797][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.741798][ T191] Call Trace: [ 9.741800][ T191] [ 9.741801][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.741806][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 9.741811][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.741814][ T191] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.741819][ T191] __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)) [ 9.741822][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.741828][ T191] ? 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) [ 9.741831][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.741834][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 9.741837][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.741843][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.741850][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.741853][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.741857][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.741861][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.741862][ T191] ? 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)) [ 9.741865][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741868][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.741872][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.741876][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.741877][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.741882][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.741885][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.741886][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741888][ T191] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.741892][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.741894][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.741896][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 9.741900][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.741903][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.741906][ T191] _printk (kernel/printk/printk.c:2504) [ 9.741910][ T191] ? snapshot_read.cold (user.c:?) [ 9.741913][ T191] ? 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) [ 9.741916][ T191] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.741919][ T191] ? 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) [ 9.741922][ T191] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.741926][ T191] ? exit_notify (kernel/exit.c:780) [ 9.741928][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.741931][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741934][ T191] do_group_exit (kernel/exit.c:1151) [ 9.741937][ T191] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.741939][ T191] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.741942][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.741945][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.741949][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.741951][ T191] RIP: 0033:0x7f6e943b81b8 [ 9.741954][ T191] Code: Unable to access opcode bytes at 0x7f6e943b818e. Code starting with the faulting instruction =========================================== [ 9.741955][ T191] RSP: 002b:00007ffca74a2c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.741958][ T191] RAX: ffffffffffffffda RBX: 00007f6e944e8f88 RCX: 00007f6e943b81b8 [ 9.741959][ T191] RDX: 00007f6e94102fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.741960][ T191] RBP: 00007ffca74a2c90 R08: 0000000000000000 R09: 0000000000000000 [ 9.741961][ T191] R10: 00007ffca74a2a50 R11: 0000000000000246 R12: 0000000000000001 [ 9.741961][ T191] R13: 0000000000000000 R14: 00007f6e944e7680 R15: 00007f6e944e8fa0 | [ 22.623891][ T559] softirqs last disabled at (61809): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 22.623893][ T559] Preemption disabled at: | [ 22.623894][ T559] 0x0 | [ 22.623904][ T559] Tainted: [W]=WARN [ 22.623905][ T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.623906][ T559] Call Trace: [ 22.623908][ T559] [ 22.623909][ T559] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.623914][ T559] __might_resched.cold (kernel/sched/core.c:9234) [ 22.623919][ T559] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.623922][ T559] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.623927][ T559] __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)) [ 22.623929][ T559] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.623936][ T559] ? 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) [ 22.623938][ T559] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.623942][ T559] put_chars (drivers/char/virtio_console.c:1176) [ 22.623944][ T559] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.623951][ T559] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.623959][ T559] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.623962][ T559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.623967][ T559] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.623970][ T559] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.623971][ T559] ? 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)) [ 22.623974][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.623977][ T559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.623981][ T559] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.623984][ T559] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.623986][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.623991][ T559] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.623993][ T559] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.623994][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.623996][ T559] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.624000][ T559] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.624002][ T559] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.624005][ T559] vprintk_emit (kernel/printk/printk.c:2479) [ 22.624008][ T559] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.624011][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.624014][ T559] _printk (kernel/printk/printk.c:2504) [ 22.624018][ T559] ? snapshot_read.cold (user.c:?) [ 22.624020][ T559] ? 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) [ 22.624023][ T559] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.624027][ T559] ? 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) [ 22.624030][ T559] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 22.624034][ T559] ? exit_notify (kernel/exit.c:780) [ 22.624035][ T559] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.624038][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.624041][ T559] do_group_exit (kernel/exit.c:1151) [ 22.624044][ T559] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 22.624046][ T559] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 22.624049][ T559] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.624052][ T559] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.624055][ T559] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.624057][ T559] RIP: 0033:0x7f12989a61b8 [ 22.624060][ T559] Code: Unable to access opcode bytes at 0x7f12989a618e. Code starting with the faulting instruction =========================================== [ 22.624061][ T559] RSP: 002b:00007ffc91108fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.624063][ T559] RAX: ffffffffffffffda RBX: 00007f1298ad6f88 RCX: 00007f12989a61b8 [ 22.624065][ T559] RDX: 00007f12987a7a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 22.624065][ T559] RBP: 00007ffc91109000 R08: 0000000000000000 R09: 0000000000000130 [ 22.624066][ T559] R10: 00007ffc91108dc0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print