====================================== | [ 9.384726][ T183] softirqs last disabled at (17379): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.384729][ T183] Preemption disabled at: | [ 9.384729][ T183] 0x0 | [ 9.384740][ T183] Tainted: [W]=WARN [ 9.384741][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.384742][ T183] Call Trace: [ 9.384743][ T183] [ 9.384745][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.384751][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 9.384755][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.384759][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.384764][ T183] __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)) [ 9.384766][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.384772][ T183] ? 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) [ 9.384774][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.384777][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 9.384780][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.384781][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.384786][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.384791][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.384797][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.384799][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.384801][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.384805][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.384809][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.384810][ T183] ? 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)) [ 9.384813][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.384815][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.384819][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.384823][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.384825][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.384830][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.384833][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.384834][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.384836][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.384840][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.384842][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.384845][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 9.384848][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.384852][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.384855][ T183] _printk (kernel/printk/printk.c:2504) [ 9.384859][ T183] ? snapshot_read.cold (user.c:?) [ 9.384861][ T183] ? 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) [ 9.384864][ T183] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.384867][ T183] ? 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) [ 9.384877][ T183] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.384882][ T183] ? exit_notify (kernel/exit.c:780) [ 9.384884][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.384886][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.384890][ T183] do_group_exit (kernel/exit.c:1151) [ 9.384893][ T183] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.384895][ T183] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.384897][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.384900][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.384903][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.384905][ T183] RIP: 0033:0x7f9f054541b8 [ 9.384907][ T183] Code: Unable to access opcode bytes at 0x7f9f0545418e. Code starting with the faulting instruction =========================================== [ 9.384908][ T183] RSP: 002b:00007ffd25f2c558 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.384910][ T183] RAX: ffffffffffffffda RBX: 00007f9f05584f88 RCX: 00007f9f054541b8 [ 9.384912][ T183] RDX: 00007f9f0519efc8 RSI: fffffffffffffeb8 RDI: 0000000000000001 [ 9.384913][ T183] RBP: 00007ffd25f2c5b0 R08: 0000000000000000 R09: 0000000000000000 [ 9.384913][ T183] R10: 00007ffd25f2c370 R11: 0000000000000246 R12: 0000000000000001 [ 9.384914][ T183] R13: 0000000000000001 R14: 00007f9f05583680 R15: 00007f9f05584fa0 | [ 17.350121][ T282] softirqs last disabled at (55167): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.350123][ T282] Preemption disabled at: | [ 17.350124][ T282] 0x0 | [ 17.350133][ T282] Tainted: [W]=WARN [ 17.350134][ T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.350136][ T282] Call Trace: [ 17.350137][ T282] [ 17.350139][ T282] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.350145][ T282] __might_resched.cold (kernel/sched/core.c:9234) [ 17.350149][ T282] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.350153][ 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) [ 17.350158][ 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)) [ 17.350160][ T282] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.350166][ 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) [ 17.350169][ T282] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.350172][ T282] put_chars (drivers/char/virtio_console.c:1176) [ 17.350174][ T282] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.350176][ T282] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.350180][ T282] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.350185][ T282] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.350191][ T282] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.350193][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.350196][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.350199][ T282] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.350203][ T282] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.350205][ 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)) [ 17.350208][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.350210][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.350214][ T282] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.350218][ T282] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.350219][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.350224][ T282] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.350227][ T282] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.350229][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.350231][ T282] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.350235][ T282] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.350236][ T282] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.350239][ T282] vprintk_emit (kernel/printk/printk.c:2479) [ 17.350243][ T282] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.350246][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.350250][ T282] _printk (kernel/printk/printk.c:2504) [ 17.350254][ T282] ? snapshot_read.cold (user.c:?) [ 17.350256][ 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) [ 17.350259][ T282] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.350262][ 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) [ 17.350265][ T282] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.350268][ T282] ? exit_notify (kernel/exit.c:780) [ 17.350270][ T282] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.350273][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.350277][ T282] do_group_exit (kernel/exit.c:1151) [ 17.350280][ T282] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.350281][ T282] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.350283][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.350287][ T282] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.350290][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.350292][ T282] RIP: 0033:0x7ff5c444c1b8 [ 17.350294][ T282] Code: Unable to access opcode bytes at 0x7ff5c444c18e. Code starting with the faulting instruction =========================================== [ 17.350295][ T282] RSP: 002b:00007ffd5f550ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.350297][ T282] RAX: ffffffffffffffda RBX: 00007ff5c457cf88 RCX: 00007ff5c444c1b8 [ 17.350298][ T282] RDX: 00007ff5c41dd7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 17.350299][ T282] RBP: 00007ffd5f550b20 R08: 0000000000000000 R09: 0000000000001010 [ 17.350300][ T282] R10: 00007ffd5f550940 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print