====================================== | [ 12.859286][ T296] softirqs last disabled at (13337): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.859288][ T296] Preemption disabled at: | [ 12.859289][ T296] 0x0 | [ 12.859300][ T296] Tainted: [W]=WARN [ 12.859301][ T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.859302][ T296] Call Trace: [ 12.859304][ T296] [ 12.859305][ T296] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.859312][ T296] __might_resched.cold (kernel/sched/core.c:9234) [ 12.859317][ T296] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.859321][ T296] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.859326][ T296] __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)) [ 12.859328][ T296] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.859335][ T296] ? 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) [ 12.859337][ T296] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.859341][ T296] put_chars (drivers/char/virtio_console.c:1176) [ 12.859344][ T296] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.859346][ T296] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.859351][ T296] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.859357][ T296] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.859364][ T296] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.859367][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.859369][ T296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.859373][ T296] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.859377][ T296] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.859378][ T296] ? 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)) [ 12.859381][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.859383][ T296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.859387][ T296] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.859391][ T296] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.859393][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.859398][ T296] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.859401][ T296] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.859402][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.859405][ T296] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.859408][ T296] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.859410][ T296] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.859413][ T296] vprintk_emit (kernel/printk/printk.c:2479) [ 12.859417][ T296] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.859420][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.859424][ T296] _printk (kernel/printk/printk.c:2504) [ 12.859427][ T296] ? snapshot_read.cold (user.c:?) [ 12.859430][ T296] ? 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) [ 12.859433][ T296] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.859437][ T296] ? 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) [ 12.859439][ T296] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.859443][ T296] ? exit_notify (kernel/exit.c:780) [ 12.859445][ T296] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.859448][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.859452][ T296] do_group_exit (kernel/exit.c:1151) [ 12.859455][ T296] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.859457][ T296] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.859460][ T296] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.859464][ T296] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.859467][ T296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.859470][ T296] RIP: 0033:0x7fb4be8541b8 [ 12.859472][ T296] Code: Unable to access opcode bytes at 0x7fb4be85418e. Code starting with the faulting instruction =========================================== [ 12.859473][ T296] RSP: 002b:00007ffed796a7e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.859476][ T296] RAX: ffffffffffffffda RBX: 00007fb4be984f88 RCX: 00007fb4be8541b8 [ 12.859477][ T296] RDX: 00007fb4be6b1b48 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 12.859478][ T296] RBP: 00007ffed796a840 R08: 00000000ffffffff R09: 0000000000001010 [ 12.859479][ T296] R10: 00007ffed796a640 R11: 0000000000000246 R12: 0000000000000002 [ 12.859480][ T296] R13: 0000000000000000 R14: 00007fb4be983680 R15: 00007fb4be984fa0 | [ 25.416584][ T1060] softirqs last disabled at (32349): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.416586][ T1060] Preemption disabled at: | [ 25.416587][ T1060] 0x0 | [ 25.416597][ T1060] Tainted: [W]=WARN [ 25.416598][ T1060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.416600][ T1060] Call Trace: [ 25.416602][ T1060] [ 25.416604][ T1060] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.416610][ T1060] __might_resched.cold (kernel/sched/core.c:9234) [ 25.416615][ T1060] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.416619][ T1060] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.416624][ T1060] __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)) [ 25.416626][ T1060] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.416633][ T1060] ? 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) [ 25.416635][ T1060] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.416639][ T1060] put_chars (drivers/char/virtio_console.c:1176) [ 25.416643][ T1060] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.416645][ T1060] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.416649][ T1060] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.416655][ T1060] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.416662][ T1060] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.416665][ T1060] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.416668][ T1060] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.416672][ T1060] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.416675][ T1060] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.416677][ T1060] ? 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)) [ 25.416680][ T1060] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.416682][ T1060] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.416686][ T1060] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.416690][ T1060] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.416692][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.416697][ T1060] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.416700][ T1060] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.416702][ T1060] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.416704][ T1060] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.416707][ T1060] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.416709][ T1060] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.416712][ T1060] vprintk_emit (kernel/printk/printk.c:2479) [ 25.416716][ T1060] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.416719][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.416723][ T1060] _printk (kernel/printk/printk.c:2504) [ 25.416727][ T1060] ? snapshot_read.cold (user.c:?) [ 25.416730][ T1060] ? 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) [ 25.416732][ T1060] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.416736][ T1060] ? 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) [ 25.416739][ T1060] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.416743][ T1060] ? exit_notify (kernel/exit.c:780) [ 25.416744][ T1060] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.416747][ T1060] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.416751][ T1060] do_group_exit (kernel/exit.c:1151) [ 25.416755][ T1060] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.416757][ T1060] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.416759][ T1060] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.416763][ T1060] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.416771][ T1060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.416774][ T1060] RIP: 0033:0x7f7805cbc1b8 [ 25.416776][ T1060] Code: Unable to access opcode bytes at 0x7f7805cbc18e. Code starting with the faulting instruction =========================================== [ 25.416777][ T1060] RSP: 002b:00007ffe970b58d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.416780][ T1060] RAX: ffffffffffffffda RBX: 00007f7805decf88 RCX: 00007f7805cbc1b8 [ 25.416781][ T1060] RDX: 00007f7805bf9a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 25.416782][ T1060] RBP: 00007ffe970b5930 R08: 0000000000000000 R09: 0000000000000000 [ 25.416783][ T1060] R10: 00007ffe970b5770 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print