====================================== | [ 9.353660][ T200] softirqs last disabled at (18317): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.353662][ T200] Preemption disabled at: | [ 9.353663][ T200] 0x0 | [ 9.353673][ T200] Tainted: [W]=WARN [ 9.353674][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.353675][ T200] Call Trace: [ 9.353677][ T200] [ 9.353678][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.353685][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 9.353689][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.353693][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.353697][ T200] __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)) [ 9.353699][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.353706][ T200] ? 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) [ 9.353709][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.353712][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 9.353715][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.353716][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.353719][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.353724][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.353732][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.353734][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.353736][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.353740][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.353744][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.353746][ T200] ? 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)) [ 9.353749][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.353751][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.353754][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.353758][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.353760][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.353765][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.353768][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.353770][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.353772][ T200] ? 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) [ 9.353775][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.353777][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.353780][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 9.353783][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.353785][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.353789][ T200] _printk (kernel/printk/printk.c:2504) [ 9.353792][ T200] ? snapshot_read.cold (user.c:?) [ 9.353795][ T200] ? 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) [ 9.353798][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.353802][ T200] ? 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) [ 9.353804][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.353808][ T200] ? exit_notify (kernel/exit.c:780) [ 9.353809][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.353812][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.353815][ T200] do_group_exit (kernel/exit.c:1151) [ 9.353818][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.353820][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.353822][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.353827][ T200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.353829][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.353831][ T200] RIP: 0033:0x7f904d66c1b8 [ 9.353833][ T200] Code: Unable to access opcode bytes at 0x7f904d66c18e. Code starting with the faulting instruction =========================================== [ 9.353835][ T200] RSP: 002b:00007ffd59681548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.353837][ T200] RAX: ffffffffffffffda RBX: 00007f904d79cf88 RCX: 00007f904d66c1b8 [ 9.353838][ T200] RDX: 00007f904d3b6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.353839][ T200] RBP: 00007ffd596815a0 R08: 0000000000000000 R09: 0000000000000050 [ 9.353840][ T200] R10: 00007ffd59681360 R11: 0000000000000246 R12: 0000000000000001 [ 9.353841][ T200] R13: 0000000000000000 R14: 00007f904d79b680 R15: 00007f904d79cfa0 | [ 16.248703][ T280] softirqs last disabled at (29727): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.248706][ T280] Preemption disabled at: | [ 16.248706][ T280] 0x0 | [ 16.248716][ T280] Tainted: [W]=WARN [ 16.248717][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.248719][ T280] Call Trace: [ 16.248720][ T280] [ 16.248722][ T280] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.248728][ T280] __might_resched.cold (kernel/sched/core.c:9234) [ 16.248733][ T280] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.248737][ T280] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.248741][ T280] __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)) [ 16.248743][ T280] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.248750][ T280] ? 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) [ 16.248753][ T280] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.248756][ T280] put_chars (drivers/char/virtio_console.c:1176) [ 16.248759][ T280] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.248760][ T280] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.248764][ T280] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.248769][ T280] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.248776][ T280] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.248779][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.248781][ T280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.248785][ T280] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.248789][ T280] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.248791][ T280] ? 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)) [ 16.248794][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.248796][ T280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.248799][ T280] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.248804][ T280] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.248805][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.248811][ T280] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.248813][ T280] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.248815][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.248817][ T280] ? 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) [ 16.248820][ T280] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.248822][ T280] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.248825][ T280] vprintk_emit (kernel/printk/printk.c:2479) [ 16.248828][ T280] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.248831][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.248834][ T280] _printk (kernel/printk/printk.c:2504) [ 16.248838][ T280] ? snapshot_read.cold (user.c:?) [ 16.248841][ T280] ? 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) [ 16.248843][ T280] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.248847][ T280] ? 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) [ 16.248850][ T280] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.248853][ T280] ? exit_notify (kernel/exit.c:780) [ 16.248855][ T280] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.248857][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.248861][ T280] do_group_exit (kernel/exit.c:1151) [ 16.248863][ T280] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.248865][ T280] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.248868][ T280] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.248872][ T280] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.248875][ T280] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.248877][ T280] RIP: 0033:0x7f068450e1b8 [ 16.248879][ T280] Code: Unable to access opcode bytes at 0x7f068450e18e. Code starting with the faulting instruction =========================================== [ 16.248880][ T280] RSP: 002b:00007fffe740af88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.248882][ T280] RAX: ffffffffffffffda RBX: 00007f068463ef88 RCX: 00007f068450e1b8 [ 16.248884][ T280] RDX: 00007f0684258fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 16.248885][ T280] RBP: 00007fffe740afe0 R08: 0000000000000000 R09: 0000000000000050 [ 16.248886][ T280] R10: 00007fffe740ada0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print