====================================== | [ 10.665853][ T191] softirqs last disabled at (22163): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.665855][ T191] Preemption disabled at: | [ 10.665856][ T191] 0x0 | [ 10.665866][ T191] Tainted: [W]=WARN [ 10.665867][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.665869][ T191] Call Trace: [ 10.665871][ T191] [ 10.665872][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.665879][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 10.665883][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.665887][ 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) [ 10.665892][ 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)) [ 10.665894][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.665900][ 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) [ 10.665903][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.665907][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 10.665910][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.665912][ T191] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.665917][ T191] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.665922][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.665929][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.665932][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.665934][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.665938][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.665942][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.665943][ 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)) [ 10.665947][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.665949][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.665952][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.665956][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.665958][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.665963][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.665966][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.665967][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.665969][ T191] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.665973][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.665974][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.665978][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 10.665981][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.665985][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.665988][ T191] _printk (kernel/printk/printk.c:2504) [ 10.665992][ T191] ? snapshot_read.cold (user.c:?) [ 10.665994][ 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) [ 10.665997][ T191] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.666000][ 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) [ 10.666003][ T191] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.666007][ T191] ? exit_notify (kernel/exit.c:780) [ 10.666009][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.666011][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.666015][ T191] do_group_exit (kernel/exit.c:1151) [ 10.666018][ T191] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.666021][ T191] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.666023][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.666027][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.666030][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.666032][ T191] RIP: 0033:0x7fc4e5ce71b8 [ 10.666035][ T191] Code: Unable to access opcode bytes at 0x7fc4e5ce718e. Code starting with the faulting instruction =========================================== [ 10.666036][ T191] RSP: 002b:00007fff909dbd08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.666038][ T191] RAX: ffffffffffffffda RBX: 00007fc4e5e17f88 RCX: 00007fc4e5ce71b8 [ 10.666040][ T191] RDX: 00007fc4e5a31fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.666041][ T191] RBP: 00007fff909dbd60 R08: 0000000000000000 R09: 0000000000000050 [ 10.666042][ T191] R10: 00007fff909dbb20 R11: 0000000000000246 R12: 0000000000000001 [ 10.666042][ T191] R13: 0000000000000000 R14: 00007fc4e5e16680 R15: 00007fc4e5e17fa0 | [ 28.414924][ T777] softirqs last disabled at (246153): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 28.414926][ T777] Preemption disabled at: | [ 28.414927][ T777] 0x0 | [ 28.414937][ T777] Tainted: [W]=WARN [ 28.414938][ T777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.414940][ T777] Call Trace: [ 28.414942][ T777] [ 28.414943][ T777] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.414949][ T777] __might_resched.cold (kernel/sched/core.c:9234) [ 28.414954][ T777] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.414958][ T777] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.414963][ T777] __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)) [ 28.414965][ T777] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.414972][ T777] ? 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) [ 28.414974][ T777] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.414978][ T777] put_chars (drivers/char/virtio_console.c:1176) [ 28.414981][ T777] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.414983][ T777] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.414987][ T777] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.414995][ T777] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.415004][ T777] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.415007][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.415009][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.415013][ T777] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.415017][ T777] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.415018][ T777] ? 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)) [ 28.415021][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.415023][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.415027][ T777] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.415031][ T777] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.415033][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.415037][ T777] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.415040][ T777] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.415042][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.415044][ T777] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.415047][ T777] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.415049][ T777] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.415052][ T777] vprintk_emit (kernel/printk/printk.c:2479) [ 28.415056][ T777] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.415059][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.415062][ T777] _printk (kernel/printk/printk.c:2504) [ 28.415066][ T777] ? snapshot_read.cold (user.c:?) [ 28.415069][ T777] ? 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) [ 28.415072][ T777] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.415075][ T777] ? 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) [ 28.415078][ T777] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 28.415082][ T777] ? exit_notify (kernel/exit.c:780) [ 28.415083][ T777] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.415086][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.415090][ T777] do_group_exit (kernel/exit.c:1151) [ 28.415093][ T777] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 28.415096][ T777] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 28.415098][ T777] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.415101][ T777] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.415108][ T777] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.415110][ T777] RIP: 0033:0x7fb5124ed1b8 [ 28.415113][ T777] Code: Unable to access opcode bytes at 0x7fb5124ed18e. Code starting with the faulting instruction =========================================== [ 28.415114][ T777] RSP: 002b:00007ffc42951e28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.415116][ T777] RAX: ffffffffffffffda RBX: 00007fb51261df88 RCX: 00007fb5124ed1b8 [ 28.415118][ T777] RDX: 00007fb51242aa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 28.415119][ T777] RBP: 00007ffc42951e80 R08: 0000000000000000 R09: 0000000000000000 [ 28.415120][ T777] R10: 00007ffc42951cc0 R11: 0000000000000246 R12: 0000000000000001 [ 28.415121][ T777] R13: 0000000000000000 R14: 00007fb51261c680 R15: 00007fb51261dfa0 | [ 33.598099][ T824] softirqs last disabled at (270617): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 33.598107][ T824] Preemption disabled at: | [ 33.598108][ T824] 0x0 | [ 33.598121][ T824] Tainted: [W]=WARN [ 33.598122][ T824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.598125][ T824] Call Trace: [ 33.598127][ T824] [ 33.598129][ T824] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.598137][ T824] __might_resched.cold (kernel/sched/core.c:9234) [ 33.598144][ T824] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.598149][ T824] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.598156][ T824] __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)) [ 33.598160][ T824] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.598170][ T824] ? 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) [ 33.598173][ T824] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.598179][ T824] put_chars (drivers/char/virtio_console.c:1176) [ 33.598184][ T824] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.598187][ T824] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.598193][ T824] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.598203][ T824] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.598214][ T824] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.598218][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.598222][ T824] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.598229][ T824] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.598235][ T824] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.598238][ T824] ? 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)) [ 33.598243][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.598246][ T824] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.598253][ T824] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.598260][ T824] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.598263][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.598272][ T824] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.598276][ T824] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.598279][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.598282][ T824] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.598289][ T824] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.598291][ T824] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.598297][ T824] vprintk_emit (kernel/printk/printk.c:2479) [ 33.598302][ T824] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.598308][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.598315][ T824] _printk (kernel/printk/printk.c:2504) [ 33.598320][ T824] ? snapshot_read.cold (user.c:?) [ 33.598324][ T824] ? 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) [ 33.598328][ T824] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.598335][ T824] ? 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) [ 33.598339][ T824] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 33.598345][ T824] ? exit_notify (kernel/exit.c:780) [ 33.598348][ T824] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.598353][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.598360][ T824] do_group_exit (kernel/exit.c:1151) [ 33.598365][ T824] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 33.598369][ T824] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 33.598372][ T824] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.598376][ T824] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.598381][ T824] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.598384][ T824] RIP: 0033:0x7f1c890551b8 [ 33.598387][ T824] Code: Unable to access opcode bytes at 0x7f1c8905518e. Code starting with the faulting instruction =========================================== [ 33.598389][ T824] RSP: 002b:00007ffee53bd198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.598393][ T824] RAX: ffffffffffffffda RBX: 00007f1c89185f88 RCX: 00007f1c890551b8 [ 33.598395][ T824] RDX: 00007f1c88f92a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 33.598396][ T824] RBP: 00007ffee53bd1f0 R08: 0000000000000000 R09: 0000000000000000 [ 33.598397][ T824] R10: 00007ffee53bd030 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print